./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8 --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 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- 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-e04fb08 [2022-11-16 12:22:11,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:22:11,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:22:11,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:22:11,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:22:11,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:22:11,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:22:11,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:22:11,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:22:11,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:22:11,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:22:11,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:22:11,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:22:11,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:22:11,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:22:11,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:22:11,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:22:11,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:22:11,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:22:11,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:22:11,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:22:11,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:22:11,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:22:11,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:22:11,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:22:11,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:22:11,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:22:11,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:22:11,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:22:11,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:22:11,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:22:11,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:22:11,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:22:11,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:22:11,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:22:11,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:22:11,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:22:11,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:22:11,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:22:11,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:22:11,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:22:11,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:22:11,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:22:11,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:22:11,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:22:11,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:22:11,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:22:11,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:22:11,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:22:11,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:22:11,099 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:22:11,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:22:11,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:22:11,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:22:11,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:22:11,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:22:11,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:22:11,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:22:11,101 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:22:11,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:22:11,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:22:11,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:22:11,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:22:11,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:22:11,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:22:11,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:22:11,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:22:11,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:22:11,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:22:11,103 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:22:11,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:22:11,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:22:11,104 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_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-16 12:22:11,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:22:11,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:22:11,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:22:11,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:22:11,413 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:22:11,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-16 12:22:11,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data/bcedaa8fa/a9d06d8ff7bb4f48b2d5198098b281e9/FLAG9bab762f9 [2022-11-16 12:22:12,471 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:22:12,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-16 12:22:12,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data/bcedaa8fa/a9d06d8ff7bb4f48b2d5198098b281e9/FLAG9bab762f9 [2022-11-16 12:22:12,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data/bcedaa8fa/a9d06d8ff7bb4f48b2d5198098b281e9 [2022-11-16 12:22:12,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:22:12,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:22:12,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:22:12,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:22:12,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:22:12,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:12" (1/1) ... [2022-11-16 12:22:12,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27607912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:12, skipping insertion in model container [2022-11-16 12:22:12,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:12" (1/1) ... [2022-11-16 12:22:12,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:22:12,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:22:15,453 WARN L229 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_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-16 12:22:15,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:22:15,562 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:22:16,207 WARN L229 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_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-16 12:22:16,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:22:16,607 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:22:16,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16 WrapperNode [2022-11-16 12:22:16,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:22:16,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:22:16,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:22:16,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:22:16,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:16,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,019 INFO L138 Inliner]: procedures = 343, calls = 3539, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8418 [2022-11-16 12:22:17,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:22:17,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:22:17,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:22:17,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:22:17,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,489 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:22:17,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:22:17,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:22:17,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:22:17,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (1/1) ... [2022-11-16 12:22:17,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:22:17,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:17,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:17,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:22:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-16 12:22:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-16 12:22:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-16 12:22:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:22:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:22:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 12:22:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 12:22:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 12:22:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 12:22:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-16 12:22:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-16 12:22:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-16 12:22:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-16 12:22:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:22:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:22:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-16 12:22:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-16 12:22:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-16 12:22:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-16 12:22:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-16 12:22:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-16 12:22:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 12:22:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 12:22:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-16 12:22:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-16 12:22:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-16 12:22:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-16 12:22:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-16 12:22:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-16 12:22:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 12:22:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 12:22:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:22:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:22:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 12:22:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 12:22:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-16 12:22:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-16 12:22:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 12:22:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 12:22:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-16 12:22:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-16 12:22:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-16 12:22:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-16 12:22:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-16 12:22:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-16 12:22:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 12:22:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 12:22:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-16 12:22:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-16 12:22:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:22:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 12:22:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-16 12:22:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-16 12:22:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:22:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-16 12:22:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-16 12:22:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-16 12:22:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-16 12:22:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-16 12:22:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-16 12:22:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:22:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:22:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-16 12:22:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-16 12:22:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:22:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:22:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-16 12:22:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-16 12:22:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-16 12:22:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-16 12:22:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 12:22:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 12:22:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-16 12:22:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-16 12:22:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-16 12:22:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-16 12:22:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-16 12:22:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-16 12:22:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 12:22:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 12:22:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 12:22:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 12:22:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 12:22:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 12:22:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-16 12:22:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-16 12:22:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 12:22:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 12:22:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-16 12:22:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-16 12:22:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:22:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:22:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-16 12:22:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-16 12:22:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-16 12:22:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-16 12:22:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-16 12:22:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-16 12:22:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 12:22:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 12:22:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 12:22:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-16 12:22:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-16 12:22:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-16 12:22:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-16 12:22:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-16 12:22:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-16 12:22:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-16 12:22:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-16 12:22:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 12:22:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 12:22:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-16 12:22:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-16 12:22:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:22:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-16 12:22:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-16 12:22:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-16 12:22:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-16 12:22:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-16 12:22:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-16 12:22:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:22:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-16 12:22:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-16 12:22:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 12:22:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 12:22:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-16 12:22:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-16 12:22:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-16 12:22:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-16 12:22:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-16 12:22:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-16 12:22:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 12:22:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 12:22:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-16 12:22:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-16 12:22:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 12:22:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 12:22:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:22:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:22:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-16 12:22:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-16 12:22:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-16 12:22:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-16 12:22:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-16 12:22:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-16 12:22:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-16 12:22:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-16 12:22:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:22:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 12:22:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 12:22:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-16 12:22:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-16 12:22:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-16 12:22:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-16 12:22:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-16 12:22:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-16 12:22:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-16 12:22:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-16 12:22:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-16 12:22:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-16 12:22:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:22:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-16 12:22:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-16 12:22:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-16 12:22:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-16 12:22:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:22:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-16 12:22:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-16 12:22:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-16 12:22:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-16 12:22:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:22:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 12:22:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-16 12:22:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-16 12:22:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-16 12:22:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-16 12:22:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-16 12:22:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-16 12:22:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-16 12:22:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-16 12:22:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 12:22:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 12:22:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-16 12:22:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-16 12:22:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-16 12:22:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-16 12:22:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-16 12:22:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-16 12:22:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 12:22:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 12:22:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-16 12:22:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-16 12:22:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:22:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:22:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-16 12:22:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-16 12:22:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 12:22:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 12:22:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-16 12:22:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-16 12:22:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-16 12:22:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-16 12:22:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 12:22:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 12:22:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:22:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-16 12:22:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-16 12:22:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-16 12:22:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-16 12:22:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-16 12:22:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-16 12:22:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-16 12:22:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-16 12:22:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:22:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:22:18,883 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:22:18,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:22:19,153 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:19,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-16 12:22:19,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-16 12:22:19,481 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-16 12:22:19,481 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-16 12:22:20,137 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:20,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-16 12:22:20,323 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-16 12:22:20,679 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:20,682 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:20,918 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-16 12:22:20,919 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-16 12:22:20,919 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-16 12:22:20,919 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-16 12:22:21,202 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:34,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##432: assume !false; [2022-11-16 12:22:34,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##431: assume false; [2022-11-16 12:22:34,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1376#1.base, modem_input_wait_#t~ret1376#1.offset := get_current(); srcloc: null [2022-11-16 12:22:34,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1376#1.base, modem_input_wait_#t~ret1376#1.offset;havoc modem_input_wait_#t~ret1376#1.base, modem_input_wait_#t~ret1376#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2022-11-16 12:22:34,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1345#1.base, modem_input_wait_#t~ret1345#1.offset := get_current(); srcloc: null [2022-11-16 12:22:34,445 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1345#1.base, modem_input_wait_#t~ret1345#1.offset;havoc modem_input_wait_#t~ret1345#1.base, modem_input_wait_#t~ret1345#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2022-11-16 12:22:34,445 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume !false; [2022-11-16 12:22:34,445 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##268: assume false; [2022-11-16 12:22:34,445 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-16 12:22:34,445 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-16 12:22:34,445 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume false; [2022-11-16 12:22:34,445 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##208: assume !false; [2022-11-16 12:22:34,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2022-11-16 12:22:34,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2022-11-16 12:22:34,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1419#1.base, modem_input_wait_#t~ret1419#1.offset;havoc modem_input_wait_#t~ret1419#1.base, modem_input_wait_#t~ret1419#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2022-11-16 12:22:34,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1419#1.base, modem_input_wait_#t~ret1419#1.offset := get_current(); srcloc: null [2022-11-16 12:22:34,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##313: assume !false; [2022-11-16 12:22:34,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##312: assume false; [2022-11-16 12:22:34,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1280#1.base, remove_cond_wait_#t~ret1280#1.offset;havoc remove_cond_wait_#t~ret1280#1.base, remove_cond_wait_#t~ret1280#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2022-11-16 12:22:34,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1280#1.base, remove_cond_wait_#t~ret1280#1.offset := get_current(); srcloc: null [2022-11-16 12:22:34,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1208#1.base, wait_mgsl_event_#t~ret1208#1.offset := get_current(); srcloc: null [2022-11-16 12:22:34,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1208#1.base, wait_mgsl_event_#t~ret1208#1.offset;havoc wait_mgsl_event_#t~ret1208#1.base, wait_mgsl_event_#t~ret1208#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2022-11-16 12:22:34,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1275#1.base, add_cond_wait_#t~ret1275#1.offset := get_current(); srcloc: null [2022-11-16 12:22:34,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume !false; [2022-11-16 12:22:34,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##81: assume false; [2022-11-16 12:22:34,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1275#1.base, add_cond_wait_#t~ret1275#1.offset;havoc add_cond_wait_#t~ret1275#1.base, add_cond_wait_#t~ret1275#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2022-11-16 12:22:34,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1131#1.base, wait_mgsl_event_#t~ret1131#1.offset := get_current(); srcloc: null [2022-11-16 12:22:34,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1131#1.base, wait_mgsl_event_#t~ret1131#1.offset;havoc wait_mgsl_event_#t~ret1131#1.base, wait_mgsl_event_#t~ret1131#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2022-11-16 12:22:34,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !false; [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume false; [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1092#1.base, wait_mgsl_event_#t~ret1092#1.offset := get_current(); srcloc: null [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1092#1.base, wait_mgsl_event_#t~ret1092#1.offset;havoc wait_mgsl_event_#t~ret1092#1.base, wait_mgsl_event_#t~ret1092#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-16 12:22:34,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-16 12:22:34,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-16 12:22:34,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##168: assume !false; [2022-11-16 12:22:34,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##167: assume false; [2022-11-16 12:22:34,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume false; [2022-11-16 12:22:34,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume !false; [2022-11-16 12:22:34,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume !false; [2022-11-16 12:22:34,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##362: assume false; [2022-11-16 12:22:34,697 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:34,700 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:34,711 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:34,712 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:34,713 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:22:45,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2022-11-16 12:22:45,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-16 12:22:45,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##306: assume false; [2022-11-16 12:22:45,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##307: assume !false; [2022-11-16 12:22:45,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1479#1.base, block_til_ready_#t~ret1479#1.offset := get_current(); srcloc: null [2022-11-16 12:22:45,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1479#1.base, block_til_ready_#t~ret1479#1.offset;havoc block_til_ready_#t~ret1479#1.base, block_til_ready_#t~ret1479#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2022-11-16 12:22:45,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##328: assume false; [2022-11-16 12:22:45,122 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume !false; [2022-11-16 12:22:45,122 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##412: assume !false; [2022-11-16 12:22:45,122 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##411: assume false; [2022-11-16 12:22:45,122 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2022-11-16 12:22:45,122 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2022-11-16 12:22:45,122 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1465#1.base, block_til_ready_#t~ret1465#1.offset;havoc block_til_ready_#t~ret1465#1.base, block_til_ready_#t~ret1465#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2022-11-16 12:22:45,122 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1465#1.base, block_til_ready_#t~ret1465#1.offset := get_current(); srcloc: null [2022-11-16 12:22:45,122 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-16 12:22:45,122 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-16 12:22:45,123 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-16 12:22:45,123 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-16 12:22:45,434 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:22:45,468 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:22:45,468 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-16 12:22:45,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:45 BoogieIcfgContainer [2022-11-16 12:22:45,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:22:45,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:22:45,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:22:45,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:22:45,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:22:12" (1/3) ... [2022-11-16 12:22:45,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f165df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:22:45, skipping insertion in model container [2022-11-16 12:22:45,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:16" (2/3) ... [2022-11-16 12:22:45,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f165df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:22:45, skipping insertion in model container [2022-11-16 12:22:45,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:45" (3/3) ... [2022-11-16 12:22:45,485 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-16 12:22:45,507 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:22:45,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:22:45,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:22:45,655 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;@1c03371, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:22:45,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:22:45,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 2764 states, 2047 states have (on average 1.4103566194430874) internal successors, (2887), 2122 states have internal predecessors, (2887), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2022-11-16 12:22:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 12:22:45,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:22:45,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:45,677 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:22:45,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:45,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1992474749, now seen corresponding path program 1 times [2022-11-16 12:22:45,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:45,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764691246] [2022-11-16 12:22:45,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:45,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:22:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:46,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:46,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764691246] [2022-11-16 12:22:46,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764691246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:46,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:46,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:22:46,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504734354] [2022-11-16 12:22:46,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:46,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:22:46,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:46,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:22:46,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:22:46,449 INFO L87 Difference]: Start difference. First operand has 2764 states, 2047 states have (on average 1.4103566194430874) internal successors, (2887), 2122 states have internal predecessors, (2887), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:22:53,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:01,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:01,442 INFO L93 Difference]: Finished difference Result 8332 states and 12607 transitions. [2022-11-16 12:23:01,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:23:01,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-16 12:23:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:01,511 INFO L225 Difference]: With dead ends: 8332 [2022-11-16 12:23:01,511 INFO L226 Difference]: Without dead ends: 5578 [2022-11-16 12:23:01,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:01,539 INFO L413 NwaCegarLoop]: 3651 mSDtfsCounter, 5604 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 5078 mSolverCounterSat, 1594 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6226 SdHoareTripleChecker+Valid, 7675 SdHoareTripleChecker+Invalid, 6672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1594 IncrementalHoareTripleChecker+Valid, 5078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:01,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6226 Valid, 7675 Invalid, 6672 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1594 Valid, 5078 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2022-11-16 12:23:01,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5578 states. [2022-11-16 12:23:01,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5578 to 5461. [2022-11-16 12:23:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5461 states, 4018 states have (on average 1.4026879044300646) internal successors, (5636), 4183 states have internal predecessors, (5636), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-16 12:23:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 5461 states and 8130 transitions. [2022-11-16 12:23:01,973 INFO L78 Accepts]: Start accepts. Automaton has 5461 states and 8130 transitions. Word has length 17 [2022-11-16 12:23:01,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:01,974 INFO L495 AbstractCegarLoop]: Abstraction has 5461 states and 8130 transitions. [2022-11-16 12:23:01,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:23:01,975 INFO L276 IsEmpty]: Start isEmpty. Operand 5461 states and 8130 transitions. [2022-11-16 12:23:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-16 12:23:01,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:01,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:23:01,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:23:01,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:23:01,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:01,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1055241892, now seen corresponding path program 1 times [2022-11-16 12:23:01,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:01,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528621122] [2022-11-16 12:23:01,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:01,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:23:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:23:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:23:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:23:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:02,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:02,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528621122] [2022-11-16 12:23:02,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528621122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:02,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:02,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:23:02,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955997593] [2022-11-16 12:23:02,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:02,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:23:02,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:02,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:23:02,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:23:02,525 INFO L87 Difference]: Start difference. First operand 5461 states and 8130 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:23:04,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:11,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:14,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:18,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:22,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:26,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:29,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:31,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:34,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:36,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:36,888 INFO L93 Difference]: Finished difference Result 11167 states and 16706 transitions. [2022-11-16 12:23:36,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:36,893 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 4 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 54 [2022-11-16 12:23:36,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:36,934 INFO L225 Difference]: With dead ends: 11167 [2022-11-16 12:23:36,935 INFO L226 Difference]: Without dead ends: 5801 [2022-11-16 12:23:36,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:36,962 INFO L413 NwaCegarLoop]: 2546 mSDtfsCounter, 2345 mSDsluCounter, 6944 mSDsCounter, 0 mSdLazyCounter, 7499 mSolverCounterSat, 1493 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2482 SdHoareTripleChecker+Valid, 9490 SdHoareTripleChecker+Invalid, 9000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1493 IncrementalHoareTripleChecker+Valid, 7499 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:36,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2482 Valid, 9490 Invalid, 9000 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1493 Valid, 7499 Invalid, 8 Unknown, 0 Unchecked, 33.7s Time] [2022-11-16 12:23:36,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5801 states. [2022-11-16 12:23:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5801 to 5461. [2022-11-16 12:23:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5461 states, 4018 states have (on average 1.4024390243902438) internal successors, (5635), 4183 states have internal predecessors, (5635), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-16 12:23:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 5461 states and 8129 transitions. [2022-11-16 12:23:37,262 INFO L78 Accepts]: Start accepts. Automaton has 5461 states and 8129 transitions. Word has length 54 [2022-11-16 12:23:37,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:37,262 INFO L495 AbstractCegarLoop]: Abstraction has 5461 states and 8129 transitions. [2022-11-16 12:23:37,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:23:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 5461 states and 8129 transitions. [2022-11-16 12:23:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-16 12:23:37,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:37,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:23:37,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:23:37,268 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:23:37,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:37,269 INFO L85 PathProgramCache]: Analyzing trace with hash -528240999, now seen corresponding path program 1 times [2022-11-16 12:23:37,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:37,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008010398] [2022-11-16 12:23:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:37,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:23:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:23:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:23:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:37,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:37,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008010398] [2022-11-16 12:23:37,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008010398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:37,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:37,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:23:37,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499172821] [2022-11-16 12:23:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:37,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:23:37,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:37,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:23:37,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:23:37,955 INFO L87 Difference]: Start difference. First operand 5461 states and 8129 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:23:40,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:48,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:53,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:55,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:23:58,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:02,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:07,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:09,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:11,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:14,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:18,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:18,157 INFO L93 Difference]: Finished difference Result 9590 states and 14507 transitions. [2022-11-16 12:24:18,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:24:18,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 4 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 61 [2022-11-16 12:24:18,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:24:18,198 INFO L225 Difference]: With dead ends: 9590 [2022-11-16 12:24:18,198 INFO L226 Difference]: Without dead ends: 6865 [2022-11-16 12:24:18,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:24:18,210 INFO L413 NwaCegarLoop]: 3838 mSDtfsCounter, 5796 mSDsluCounter, 11051 mSDsCounter, 0 mSdLazyCounter, 10263 mSolverCounterSat, 2637 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5933 SdHoareTripleChecker+Valid, 14889 SdHoareTripleChecker+Invalid, 12909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2637 IncrementalHoareTripleChecker+Valid, 10263 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:24:18,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5933 Valid, 14889 Invalid, 12909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2637 Valid, 10263 Invalid, 9 Unknown, 0 Unchecked, 39.5s Time] [2022-11-16 12:24:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6865 states. [2022-11-16 12:24:18,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6865 to 5464. [2022-11-16 12:24:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5464 states, 4021 states have (on average 1.402138771449888) internal successors, (5638), 4186 states have internal predecessors, (5638), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-16 12:24:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5464 states to 5464 states and 8132 transitions. [2022-11-16 12:24:18,526 INFO L78 Accepts]: Start accepts. Automaton has 5464 states and 8132 transitions. Word has length 61 [2022-11-16 12:24:18,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:24:18,527 INFO L495 AbstractCegarLoop]: Abstraction has 5464 states and 8132 transitions. [2022-11-16 12:24:18,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:24:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5464 states and 8132 transitions. [2022-11-16 12:24:18,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 12:24:18,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:24:18,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:18,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:24:18,538 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:24:18,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:18,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1927039006, now seen corresponding path program 1 times [2022-11-16 12:24:18,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:18,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067372775] [2022-11-16 12:24:18,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:18,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:24:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:24:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:24:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:24:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:19,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:19,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067372775] [2022-11-16 12:24:19,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067372775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:19,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:19,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:24:19,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779256701] [2022-11-16 12:24:19,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:19,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:24:19,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:19,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:24:19,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:24:19,065 INFO L87 Difference]: Start difference. First operand 5464 states and 8132 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:24:21,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:27,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:33,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:35,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:39,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:41,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:43,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:46,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:47,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:47,967 INFO L93 Difference]: Finished difference Result 11213 states and 16825 transitions. [2022-11-16 12:24:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:24:47,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (5), 4 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 65 [2022-11-16 12:24:47,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:24:48,002 INFO L225 Difference]: With dead ends: 11213 [2022-11-16 12:24:48,002 INFO L226 Difference]: Without dead ends: 5764 [2022-11-16 12:24:48,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:24:48,030 INFO L413 NwaCegarLoop]: 2384 mSDtfsCounter, 5380 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 3744 mSolverCounterSat, 2358 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5788 SdHoareTripleChecker+Valid, 4738 SdHoareTripleChecker+Invalid, 6110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2358 IncrementalHoareTripleChecker+Valid, 3744 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:24:48,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5788 Valid, 4738 Invalid, 6110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2358 Valid, 3744 Invalid, 8 Unknown, 0 Unchecked, 28.4s Time] [2022-11-16 12:24:48,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5764 states. [2022-11-16 12:24:48,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5764 to 5424. [2022-11-16 12:24:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5424 states, 3987 states have (on average 1.3586656634060696) internal successors, (5417), 4150 states have internal predecessors, (5417), 1244 states have call successors, (1244), 193 states have call predecessors, (1244), 192 states have return successors, (1242), 1202 states have call predecessors, (1242), 1242 states have call successors, (1242) [2022-11-16 12:24:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5424 states to 5424 states and 7903 transitions. [2022-11-16 12:24:48,345 INFO L78 Accepts]: Start accepts. Automaton has 5424 states and 7903 transitions. Word has length 65 [2022-11-16 12:24:48,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:24:48,346 INFO L495 AbstractCegarLoop]: Abstraction has 5424 states and 7903 transitions. [2022-11-16 12:24:48,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:24:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5424 states and 7903 transitions. [2022-11-16 12:24:48,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 12:24:48,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:24:48,353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:48,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:24:48,353 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:24:48,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:48,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1864999392, now seen corresponding path program 1 times [2022-11-16 12:24:48,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:48,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371909402] [2022-11-16 12:24:48,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:48,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:24:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:48,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:24:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:24:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:24:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:48,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:48,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:48,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371909402] [2022-11-16 12:24:48,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371909402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:48,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:48,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:24:48,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341279258] [2022-11-16 12:24:48,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:48,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:24:48,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:48,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:24:48,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:24:48,842 INFO L87 Difference]: Start difference. First operand 5424 states and 7903 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:24:50,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:52,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:02,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:05,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:07,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:09,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:21,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:23,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:27,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:29,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:36,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:38,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:41,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:43,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:45,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:47,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:50,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:52,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:57,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:57,750 INFO L93 Difference]: Finished difference Result 16893 states and 24771 transitions. [2022-11-16 12:25:57,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:25:57,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-16 12:25:57,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:57,812 INFO L225 Difference]: With dead ends: 16893 [2022-11-16 12:25:57,812 INFO L226 Difference]: Without dead ends: 11489 [2022-11-16 12:25:57,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:25:57,835 INFO L413 NwaCegarLoop]: 4889 mSDtfsCounter, 10721 mSDsluCounter, 8189 mSDsCounter, 0 mSdLazyCounter, 11773 mSolverCounterSat, 4544 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11538 SdHoareTripleChecker+Valid, 13078 SdHoareTripleChecker+Invalid, 16333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4544 IncrementalHoareTripleChecker+Valid, 11773 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:57,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11538 Valid, 13078 Invalid, 16333 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4544 Valid, 11773 Invalid, 16 Unknown, 0 Unchecked, 67.3s Time] [2022-11-16 12:25:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11489 states. [2022-11-16 12:25:58,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11489 to 10801. [2022-11-16 12:25:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10801 states, 7936 states have (on average 1.3589969758064515) internal successors, (10785), 8258 states have internal predecessors, (10785), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 382 states have return successors, (2480), 2399 states have call predecessors, (2480), 2480 states have call successors, (2480) [2022-11-16 12:25:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10801 states to 10801 states and 15747 transitions. [2022-11-16 12:25:58,870 INFO L78 Accepts]: Start accepts. Automaton has 10801 states and 15747 transitions. Word has length 65 [2022-11-16 12:25:58,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:58,871 INFO L495 AbstractCegarLoop]: Abstraction has 10801 states and 15747 transitions. [2022-11-16 12:25:58,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:25:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 10801 states and 15747 transitions. [2022-11-16 12:25:58,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-16 12:25:58,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:58,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:58,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:25:58,883 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:58,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1818016080, now seen corresponding path program 1 times [2022-11-16 12:25:58,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:58,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510092758] [2022-11-16 12:25:58,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:58,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:26:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:26:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:26:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:26:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:26:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:00,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:00,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510092758] [2022-11-16 12:26:00,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510092758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:00,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:00,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:26:00,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592867429] [2022-11-16 12:26:00,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:00,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:26:00,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:00,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:26:00,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:26:00,291 INFO L87 Difference]: Start difference. First operand 10801 states and 15747 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:26:02,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:04,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:15,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:18,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:20,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:22,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:29,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:33,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:35,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:40,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:42,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:49,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:51,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:54,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:56,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:58,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:02,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:04,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:11,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:27:11,927 INFO L93 Difference]: Finished difference Result 22286 states and 32629 transitions. [2022-11-16 12:27:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:27:11,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2022-11-16 12:27:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:27:11,983 INFO L225 Difference]: With dead ends: 22286 [2022-11-16 12:27:11,983 INFO L226 Difference]: Without dead ends: 11489 [2022-11-16 12:27:12,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:27:12,015 INFO L413 NwaCegarLoop]: 4733 mSDtfsCounter, 5713 mSDsluCounter, 18778 mSDsCounter, 0 mSdLazyCounter, 19704 mSolverCounterSat, 2569 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6260 SdHoareTripleChecker+Valid, 23511 SdHoareTripleChecker+Invalid, 22289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2569 IncrementalHoareTripleChecker+Valid, 19704 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:27:12,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6260 Valid, 23511 Invalid, 22289 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2569 Valid, 19704 Invalid, 16 Unknown, 0 Unchecked, 69.6s Time] [2022-11-16 12:27:12,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11489 states. [2022-11-16 12:27:12,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11489 to 10803. [2022-11-16 12:27:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10803 states, 7937 states have (on average 1.3589517449918105) internal successors, (10786), 8260 states have internal predecessors, (10786), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2022-11-16 12:27:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10803 states to 10803 states and 15753 transitions. [2022-11-16 12:27:13,034 INFO L78 Accepts]: Start accepts. Automaton has 10803 states and 15753 transitions. Word has length 73 [2022-11-16 12:27:13,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:27:13,034 INFO L495 AbstractCegarLoop]: Abstraction has 10803 states and 15753 transitions. [2022-11-16 12:27:13,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:27:13,035 INFO L276 IsEmpty]: Start isEmpty. Operand 10803 states and 15753 transitions. [2022-11-16 12:27:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-16 12:27:13,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:27:13,046 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:27:13,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:27:13,046 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:27:13,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:27:13,047 INFO L85 PathProgramCache]: Analyzing trace with hash 147502511, now seen corresponding path program 1 times [2022-11-16 12:27:13,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:27:13,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108107759] [2022-11-16 12:27:13,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:27:13,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:27:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:27:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:13,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:27:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:27:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:27:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:27:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:27:13,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:27:13,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108107759] [2022-11-16 12:27:13,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108107759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:27:13,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:27:13,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:27:13,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733417507] [2022-11-16 12:27:13,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:27:13,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:27:13,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:27:13,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:27:13,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:27:13,675 INFO L87 Difference]: Start difference. First operand 10803 states and 15753 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:27:15,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:27,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:29,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:31,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:33,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:38,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:40,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:43,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:45,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:49,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:51,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:53,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:56,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:58,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:04,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:06,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:09,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:11,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:13,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:15,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:18,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:20,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:26,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:28:26,362 INFO L93 Difference]: Finished difference Result 17117 states and 25166 transitions. [2022-11-16 12:28:26,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:28:26,363 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2022-11-16 12:28:26,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:28:26,448 INFO L225 Difference]: With dead ends: 17117 [2022-11-16 12:28:26,448 INFO L226 Difference]: Without dead ends: 17109 [2022-11-16 12:28:26,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:28:26,458 INFO L413 NwaCegarLoop]: 4892 mSDtfsCounter, 10763 mSDsluCounter, 8197 mSDsCounter, 0 mSdLazyCounter, 11781 mSolverCounterSat, 4541 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11578 SdHoareTripleChecker+Valid, 13089 SdHoareTripleChecker+Invalid, 16342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4541 IncrementalHoareTripleChecker+Valid, 11781 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:28:26,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11578 Valid, 13089 Invalid, 16342 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4541 Valid, 11781 Invalid, 20 Unknown, 0 Unchecked, 70.4s Time] [2022-11-16 12:28:26,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17109 states. [2022-11-16 12:28:27,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17109 to 16124. [2022-11-16 12:28:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16124 states, 11846 states have (on average 1.3596150599358434) internal successors, (16106), 12327 states have internal predecessors, (16106), 3707 states have call successors, (3707), 570 states have call predecessors, (3707), 570 states have return successors, (3710), 3583 states have call predecessors, (3710), 3705 states have call successors, (3710) [2022-11-16 12:28:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16124 states to 16124 states and 23523 transitions. [2022-11-16 12:28:27,983 INFO L78 Accepts]: Start accepts. Automaton has 16124 states and 23523 transitions. Word has length 73 [2022-11-16 12:28:27,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:28:27,984 INFO L495 AbstractCegarLoop]: Abstraction has 16124 states and 23523 transitions. [2022-11-16 12:28:27,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:28:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 16124 states and 23523 transitions. [2022-11-16 12:28:27,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-16 12:28:27,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:27,998 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:28:27,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:28:27,998 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:27,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:27,999 INFO L85 PathProgramCache]: Analyzing trace with hash 634892402, now seen corresponding path program 1 times [2022-11-16 12:28:27,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:27,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536011646] [2022-11-16 12:28:27,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:27,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:28:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 12:28:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:28:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:28:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 12:28:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-16 12:28:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 12:28:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 12:28:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:28:28,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:28:28,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536011646] [2022-11-16 12:28:28,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536011646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:28:28,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:28:28,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:28:28,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125452332] [2022-11-16 12:28:28,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:28:28,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:28:28,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:28:28,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:28:28,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:28:28,519 INFO L87 Difference]: Start difference. First operand 16124 states and 23523 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 12:28:30,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:41,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:44,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:46,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:50,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:53,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:57,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:02,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:05,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:07,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:10,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:14,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:29:14,534 INFO L93 Difference]: Finished difference Result 39055 states and 57987 transitions. [2022-11-16 12:29:14,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:29:14,534 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 77 [2022-11-16 12:29:14,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:29:14,628 INFO L225 Difference]: With dead ends: 39055 [2022-11-16 12:29:14,629 INFO L226 Difference]: Without dead ends: 23099 [2022-11-16 12:29:14,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-16 12:29:14,675 INFO L413 NwaCegarLoop]: 2789 mSDtfsCounter, 3360 mSDsluCounter, 11178 mSDsCounter, 0 mSdLazyCounter, 12414 mSolverCounterSat, 1947 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 13967 SdHoareTripleChecker+Invalid, 14370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1947 IncrementalHoareTripleChecker+Valid, 12414 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:29:14,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 13967 Invalid, 14370 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1947 Valid, 12414 Invalid, 9 Unknown, 0 Unchecked, 43.3s Time] [2022-11-16 12:29:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23099 states. [2022-11-16 12:29:16,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23099 to 22070. [2022-11-16 12:29:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22070 states, 16340 states have (on average 1.3692166462668298) internal successors, (22373), 16995 states have internal predecessors, (22373), 5159 states have call successors, (5159), 570 states have call predecessors, (5159), 570 states have return successors, (5166), 5005 states have call predecessors, (5166), 5157 states have call successors, (5166) [2022-11-16 12:29:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22070 states to 22070 states and 32698 transitions. [2022-11-16 12:29:16,956 INFO L78 Accepts]: Start accepts. Automaton has 22070 states and 32698 transitions. Word has length 77 [2022-11-16 12:29:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:29:16,956 INFO L495 AbstractCegarLoop]: Abstraction has 22070 states and 32698 transitions. [2022-11-16 12:29:16,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 12:29:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22070 states and 32698 transitions. [2022-11-16 12:29:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 12:29:16,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:29:16,971 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:16,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:29:16,972 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:29:16,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:16,972 INFO L85 PathProgramCache]: Analyzing trace with hash -935363197, now seen corresponding path program 1 times [2022-11-16 12:29:16,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:16,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590864454] [2022-11-16 12:29:16,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:16,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:29:17,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:29:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:29:17,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:29:17,493 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:29:17,494 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:29:17,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:29:17,500 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:17,503 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:29:17,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:29:17 BoogieIcfgContainer [2022-11-16 12:29:17,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:29:17,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:29:17,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:29:17,638 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:29:17,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:45" (3/4) ... [2022-11-16 12:29:17,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:29:17,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:29:17,646 INFO L158 Benchmark]: Toolchain (without parser) took 424854.30ms. Allocated memory was 127.9MB in the beginning and 1.1GB in the end (delta: 935.3MB). Free memory was 75.6MB in the beginning and 346.3MB in the end (delta: -270.8MB). Peak memory consumption was 665.4MB. Max. memory is 16.1GB. [2022-11-16 12:29:17,646 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 54.4MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:29:17,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3816.22ms. Allocated memory was 127.9MB in the beginning and 272.6MB in the end (delta: 144.7MB). Free memory was 75.4MB in the beginning and 172.6MB in the end (delta: -97.2MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. [2022-11-16 12:29:17,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 409.97ms. Allocated memory is still 272.6MB. Free memory was 172.6MB in the beginning and 120.2MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-16 12:29:17,647 INFO L158 Benchmark]: Boogie Preprocessor took 540.37ms. Allocated memory is still 272.6MB. Free memory was 120.2MB in the beginning and 141.2MB in the end (delta: -21.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-16 12:29:17,647 INFO L158 Benchmark]: RCFGBuilder took 27912.03ms. Allocated memory was 272.6MB in the beginning and 885.0MB in the end (delta: 612.4MB). Free memory was 141.2MB in the beginning and 623.3MB in the end (delta: -482.2MB). Peak memory consumption was 526.6MB. Max. memory is 16.1GB. [2022-11-16 12:29:17,648 INFO L158 Benchmark]: TraceAbstraction took 392160.41ms. Allocated memory was 885.0MB in the beginning and 1.1GB in the end (delta: 178.3MB). Free memory was 622.3MB in the beginning and 347.4MB in the end (delta: 274.9MB). Peak memory consumption was 452.1MB. Max. memory is 16.1GB. [2022-11-16 12:29:17,648 INFO L158 Benchmark]: Witness Printer took 7.69ms. Allocated memory is still 1.1GB. Free memory was 347.4MB in the beginning and 346.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:29:17,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 54.4MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3816.22ms. Allocated memory was 127.9MB in the beginning and 272.6MB in the end (delta: 144.7MB). Free memory was 75.4MB in the beginning and 172.6MB in the end (delta: -97.2MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 409.97ms. Allocated memory is still 272.6MB. Free memory was 172.6MB in the beginning and 120.2MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 540.37ms. Allocated memory is still 272.6MB. Free memory was 120.2MB in the beginning and 141.2MB in the end (delta: -21.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * RCFGBuilder took 27912.03ms. Allocated memory was 272.6MB in the beginning and 885.0MB in the end (delta: 612.4MB). Free memory was 141.2MB in the beginning and 623.3MB in the end (delta: -482.2MB). Peak memory consumption was 526.6MB. Max. memory is 16.1GB. * TraceAbstraction took 392160.41ms. Allocated memory was 885.0MB in the beginning and 1.1GB in the end (delta: 178.3MB). Free memory was 622.3MB in the beginning and 347.4MB in the end (delta: 274.9MB). Peak memory consumption was 452.1MB. Max. memory is 16.1GB. * Witness Printer took 7.69ms. Allocated memory is still 1.1GB. Free memory was 347.4MB in the beginning and 346.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 14623]: 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 12224. Possible FailurePath: [L7413-L7440] static struct file_operations const synclink_gt_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & synclink_gt_proc_open, (int (*)(struct file * , fl_owner_t ))0, & single_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L5748] static char *tty_driver_name = (char *)"synclink_gt"; [L5776] static int slgt_device_count ; [L14221] int LDV_IN_INTERRUPT ; [L5775] static struct slgt_info *slgt_device_list ; [L5807-L5810] static MGSL_PARAMS default_params = {2UL, (unsigned char)0, (unsigned short)1, (unsigned char)3, 0UL, (unsigned char)255, (unsigned short)1, (unsigned char)0, (unsigned char)0, 9600UL, (unsigned char)8, (unsigned char)1, (unsigned char)0}; [L5778] static int debug_level ; [L11815-L11816] static struct tty_port_operations const slgt_port_ops = {& carrier_raised, & dtr_rts, (void (*)(struct tty_port * ))0, (void (*)(struct tty_port * ))0, (int (*)(struct tty_port * , struct tty_struct * ))0, (void (*)(struct tty_port * ))0}; [L5777] static int ttymajor ; [L5747] static char *driver_name = (char *)"SyncLink GT"; [L5749] static char *tty_dev_prefix = (char *)"ttySLG"; [L5758-L5773] static struct pci_driver pci_driver = {{(struct list_head *)0, (struct list_head *)0}, "synclink_gt", (struct pci_device_id const *)(& pci_table), & init_one, & 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}}}; [L5774] static bool pci_registered ; [L5780] static struct tty_driver *serial_driver ; [L12074-L12087] static struct tty_operations const ops = {(struct tty_struct *(*)(struct tty_driver * , struct inode * , int ))0, (int (*)(struct tty_driver * , struct tty_struct * ))0, (void (*)(struct tty_driver * , struct tty_struct * ))0, & open, & close, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, & write, & put_char, & flush_chars, & write_room, & chars_in_buffer, & ioctl, & slgt_compat_ioctl, & set_termios, & throttle, & unthrottle, & tx_hold, & tx_release, & hangup, & set_break, & flush_buffer, (void (*)(struct tty_struct * ))0, & wait_until_sent, & send_xchar, & tiocmget, & tiocmset, (int (*)(struct tty_struct * , struct winsize * ))0, (int (*)(struct tty_struct * , struct termiox * ))0, & get_icount, (int (*)(struct tty_driver * , int , char * ))0, (int (*)(struct tty_driver * , int ))0, (void (*)(struct tty_driver * , int , char ))0, & synclink_gt_proc_fops}; [L14627] int ldv_module_refcounter = 1; [L8109-L8142] static struct net_device_ops const hdlcdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & hdlcdev_open, & hdlcdev_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, & hdlcdev_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & hdlcdev_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}; [L5750-L5754] static struct pci_device_id pci_table[5U] = { {5056U, 112U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 160U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 128U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 144U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5779] static int maxframe[32U] ; [L5755] struct pci_device_id const __mod_pci_device_table ; 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14223] struct pci_dev *var_group1 ; [L14224] struct pci_device_id const *var_init_one_102_p1 ; [L14225] int res_init_one_102 ; [L14226] struct inode *var_group2 ; [L14227] struct file *var_group3 ; [L14228] int res_synclink_gt_proc_open_26 ; [L14229] struct net_device *var_group4 ; [L14230] int res_hdlcdev_open_33 ; [L14231] int res_hdlcdev_close_34 ; [L14232] struct ifreq *var_group5 ; [L14233] int var_hdlcdev_ioctl_35_p2 ; [L14234] struct tty_port *var_group6 ; [L14235] int var_dtr_rts_87_p1 ; [L14236] struct tty_struct *var_group7 ; [L14237] int res_open_5 ; [L14238] unsigned char const *var_write_10_p1 ; [L14239] int var_write_10_p2 ; [L14240] unsigned char var_put_char_11_p1 ; [L14241] unsigned int var_ioctl_19_p1 ; [L14242] unsigned long var_ioctl_19_p2 ; [L14243] unsigned int var_slgt_compat_ioctl_23_p1 ; [L14244] unsigned long var_slgt_compat_ioctl_23_p2 ; [L14245] char var_send_xchar_12_p1 ; [L14246] int var_set_break_30_p1 ; [L14247] int var_wait_until_sent_13_p1 ; [L14248] struct ktermios *var_group8 ; [L14249] unsigned int var_tiocmset_85_p1 ; [L14250] unsigned int var_tiocmset_85_p2 ; [L14251] struct serial_icounter_struct *var_group9 ; [L14252] int var_slgt_interrupt_56_p0 ; [L14253] void *var_slgt_interrupt_56_p1 ; [L14254] int ldv_s_pci_driver_pci_driver ; [L14255] int ldv_s_synclink_gt_proc_fops_file_operations ; [L14256] int ldv_s_hdlcdev_ops_net_device_ops ; [L14257] int ldv_s_ops_tty_operations ; [L14258] int tmp ; [L14259] int tmp___0 ; [L14260] int tmp___1 ; [L14263] ldv_s_pci_driver_pci_driver = 0 [L14264] ldv_s_synclink_gt_proc_fops_file_operations = 0 [L14265] ldv_s_hdlcdev_ops_net_device_ops = 0 [L14266] ldv_s_ops_tty_operations = 0 [L14267] LDV_IN_INTERRUPT = 1 [L14268] FCALL ldv_initialize() [L14269] CALL, EXPR slgt_init() [L12178] int rc ; [L12182] CALL, EXPR alloc_tty_driver(32) [L14781] CALL, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(size)=281, __mod_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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14728] COND FALSE !(__VERIFIER_nondet_bool()) [L14729] return malloc(size); [L14781] RET, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(arg0)=32, __mod_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={-197:198}, arg0=32, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={-18446744073709551617:0}, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14781] return ldv_malloc(sizeof(struct tty_driver)); [L12182] RET, EXPR alloc_tty_driver(32) [L12182] serial_driver = alloc_tty_driver(32) [L12184] COND FALSE !((unsigned long )serial_driver == (unsigned long )((struct tty_driver *)0)) [L12192] serial_driver->owner = & __this_module [L12193] serial_driver->driver_name = (char const *)tty_driver_name [L12194] serial_driver->name = (char const *)tty_dev_prefix [L12195] serial_driver->major = ttymajor [L12196] serial_driver->minor_start = 64 [L12197] serial_driver->type = (short)3 [L12198] serial_driver->subtype = (short)1 [L12199] serial_driver->init_termios = tty_std_termios [L12200] serial_driver->init_termios.c_cflag = 3261U [L12201] serial_driver->init_termios.c_ispeed = 9600U [L12202] serial_driver->init_termios.c_ospeed = 9600U [L12203] serial_driver->flags = 12 [L12204] FCALL tty_set_operations(serial_driver, & ops) [L12205] CALL, EXPR tty_register_driver(serial_driver) [L14995] return __VERIFIER_nondet_int(); [L12205] RET, EXPR tty_register_driver(serial_driver) [L12205] rc = tty_register_driver(serial_driver) [L12207] COND FALSE !(rc < 0) [L12222] serial_driver->major [L12223] slgt_device_count = 0 [L12224] CALL, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L14739] return __VERIFIER_nondet_int(); [L12224] RET, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12224] rc = __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12226] COND FALSE !(rc < 0) [L12233] pci_registered = (bool )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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12234] COND TRUE (unsigned long )slgt_device_list == (unsigned long )((struct slgt_info *)0) [L12240] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14269] RET, EXPR slgt_init() [L14269] tmp = slgt_init() [L14271] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14589] tmp___1 = __VERIFIER_nondet_int() [L14591] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14278] tmp___0 = __VERIFIER_nondet_int() [L14280] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14283] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14286] COND TRUE 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14404] COND TRUE ldv_s_hdlcdev_ops_net_device_ops == 0 [L14406] CALL, EXPR hdlcdev_open(var_group4) [L7718] struct slgt_info *info ; [L7719] struct hdlc_device *tmp ; [L7720] int rc ; [L7721] unsigned long flags ; [L7722] int tmp___0 ; [L7723] raw_spinlock_t *tmp___1 ; [L7724] raw_spinlock_t *tmp___2 ; [L7725] raw_spinlock_t *tmp___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={-197:198}, debug_level=0, default_params={191:0}, dev={4294967373:-2560}, dev={4294967373:-2560}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L7728] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L5713] void *tmp ; [L5716] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5583] return ((void *)dev + 2560U); VAL [\result={4294967373:0}, __mod_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={-197:198}, debug_level=0, default_params={191:0}, dev={4294967373:-2560}, dev={4294967373:-2560}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L5716] RET, EXPR netdev_priv((struct net_device const *)dev) [L5716] tmp = netdev_priv((struct net_device const *)dev) [L5718] return ((struct hdlc_device *)tmp); VAL [\result={4294967373:0}, __mod_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={-197:198}, debug_level=0, default_params={191:0}, dev={4294967373:-2560}, dev={4294967373:-2560}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={4294967373:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L7728] 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={-197:198}, debug_level=0, default_params={191:0}, dev={4294967373:-2560}, dev={4294967373:-2560}, dev_to_hdlc(dev)={4294967373:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L7728] tmp = dev_to_hdlc(dev) [L7729] EXPR tmp->priv [L7729] info = (struct slgt_info *)tmp->priv [L7730] CALL, EXPR ldv_try_module_get_1(& __this_module) [L14701] int tmp ; [L14704] CALL, EXPR ldv_try_module_get(module) [L14639] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, module={-197:198}, module={-197:198}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14641] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L14643] CALL, EXPR ldv_undefined_int() [L14851] return __VERIFIER_nondet_int(); [L14643] RET, EXPR ldv_undefined_int() [L14643] module_get_succeeded = ldv_undefined_int() [L14645] COND TRUE module_get_succeeded == 1 [L14646] ldv_module_refcounter = ldv_module_refcounter + 1 [L14647] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, module={-197:198}, module={-197:198}, module_get_succeeded=1, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14704] RET, EXPR ldv_try_module_get(module) [L14704] tmp = ldv_try_module_get(module) [L14706] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, module={-197:198}, module={-197:198}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L7730] RET, EXPR ldv_try_module_get_1(& __this_module) [L7730] tmp___0 = ldv_try_module_get_1(& __this_module) [L7732] 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={-197:198}, debug_level=0, default_params={191:0}, dev={4294967373:-2560}, dev={4294967373:-2560}, driver_name={8:0}, hdlcdev_ops={195:0}, info={4294967384:4294967392}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={4294967373:0}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L7736] COND FALSE !(debug_level > 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={-197:198}, debug_level=0, default_params={191:0}, dev={4294967373:-2560}, dev={4294967373:-2560}, driver_name={8:0}, hdlcdev_ops={195:0}, info={4294967384:4294967392}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={4294967373:0}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L7743] CALL, EXPR hdlc_open(dev) [L14825] return __VERIFIER_nondet_int(); [L7743] RET, EXPR hdlc_open(dev) [L7743] rc = hdlc_open(dev) [L7745] COND TRUE rc != 0 [L7746] return (rc); 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={-197:198}, debug_level=0, default_params={191:0}, dev={4294967373:-2560}, dev={4294967373:-2560}, driver_name={8:0}, hdlcdev_ops={195:0}, info={4294967384:4294967392}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=-1, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={4294967373:0}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14406] RET, EXPR hdlcdev_open(var_group4) [L14406] res_hdlcdev_open_33 = hdlcdev_open(var_group4) [L14407] FCALL ldv_check_return_value(res_hdlcdev_open_33) 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, res_hdlcdev_open_33=-1, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0, var_group4={4294967373:-2560}] [L14409] COND TRUE res_hdlcdev_open_33 < 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, res_hdlcdev_open_33=-1, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0, var_group4={4294967373:-2560}] [L14611] CALL slgt_exit() [L12252] CALL slgt_cleanup() 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12089] int rc ; [L12090] struct slgt_info *info ; [L12091] struct slgt_info *tmp ; [L12096] COND TRUE (unsigned long )serial_driver != (unsigned long )((struct tty_driver *)0) [L12097] info = slgt_device_list 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12105] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12112] CALL, EXPR tty_unregister_driver(serial_driver) [L15008] return __VERIFIER_nondet_int(); [L12112] RET, EXPR tty_unregister_driver(serial_driver) [L12112] rc = tty_unregister_driver(serial_driver) [L12114] COND FALSE !(rc != 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12124] FCALL put_tty_driver(serial_driver) 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12128] info = slgt_device_list 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12136] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12142] info = slgt_device_list 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12162] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L12168] COND TRUE (int )pci_registered [L12170] FCALL pci_unregister_driver(& pci_driver) [L12252] RET slgt_cleanup() 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14611] RET slgt_exit() [L14615] CALL ldv_check_final_state() [L14691] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14693] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] [L14623] 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={-197:198}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967374:-42}, ttymajor=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 2764 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 391.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 378.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 86 mSolverCounterUnknown, 53612 SdHoareTripleChecker+Valid, 366.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49682 mSDsluCounter, 100437 SdHoareTripleChecker+Invalid, 348.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70715 mSDsCounter, 21683 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82256 IncrementalHoareTripleChecker+Invalid, 104025 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21683 mSolverCounterUnsat, 29722 mSDtfsCounter, 82256 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22070occurred in iteration=8, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 5586 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 559 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 1325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 [2022-11-16 12:29:17,875 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-16 12:29:17,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8 --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 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- 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-e04fb08 [2022-11-16 12:29:19,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:29:19,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:29:19,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:29:19,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:29:19,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:29:19,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:29:20,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:29:20,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:29:20,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:29:20,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:29:20,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:29:20,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:29:20,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:29:20,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:29:20,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:29:20,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:29:20,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:29:20,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:29:20,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:29:20,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:29:20,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:29:20,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:29:20,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:29:20,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:29:20,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:29:20,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:29:20,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:29:20,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:29:20,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:29:20,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:29:20,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:29:20,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:29:20,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:29:20,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:29:20,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:29:20,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:29:20,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:29:20,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:29:20,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:29:20,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:29:20,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 12:29:20,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:29:20,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:29:20,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:29:20,102 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:29:20,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:29:20,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:29:20,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:29:20,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:29:20,105 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:29:20,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:29:20,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:29:20,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:29:20,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:29:20,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:29:20,108 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:29:20,108 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:29:20,109 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:29:20,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:29:20,109 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:29:20,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:29:20,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:29:20,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:29:20,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:29:20,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:29:20,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:29:20,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:29:20,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:29:20,112 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:29:20,113 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:29:20,113 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:29:20,113 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:29:20,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:29:20,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:29:20,114 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_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-16 12:29:20,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:29:20,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:29:20,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:29:20,511 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:29:20,513 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:29:20,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-16 12:29:20,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data/d415cda19/59dc93c5fa2b4c7dae4348613e55349d/FLAGa8de33917 [2022-11-16 12:29:21,584 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:29:21,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-16 12:29:21,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data/d415cda19/59dc93c5fa2b4c7dae4348613e55349d/FLAGa8de33917 [2022-11-16 12:29:21,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/data/d415cda19/59dc93c5fa2b4c7dae4348613e55349d [2022-11-16 12:29:21,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:29:21,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:29:21,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:29:21,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:29:21,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:29:21,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:21" (1/1) ... [2022-11-16 12:29:21,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48366bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:21, skipping insertion in model container [2022-11-16 12:29:21,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:21" (1/1) ... [2022-11-16 12:29:21,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:29:22,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:29:24,980 WARN L229 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_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-16 12:29:25,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:29:25,127 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 12:29:25,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:29:25,710 WARN L229 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_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-16 12:29:25,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:29:25,746 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:29:26,376 WARN L229 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_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-16 12:29:26,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:29:26,756 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:29:26,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26 WrapperNode [2022-11-16 12:29:26,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:29:26,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:29:26,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:29:26,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:29:26,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:26,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,222 INFO L138 Inliner]: procedures = 358, calls = 3539, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8187 [2022-11-16 12:29:27,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:29:27,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:29:27,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:29:27,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:29:27,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,564 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:29:27,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:29:27,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:29:27,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:29:27,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (1/1) ... [2022-11-16 12:29:27,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:29:27,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:29:27,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:29:27,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:29:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-16 12:29:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-16 12:29:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-16 12:29:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-16 12:29:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-16 12:29:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 12:29:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:29:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-16 12:29:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:29:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 12:29:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 12:29:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 12:29:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 12:29:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-16 12:29:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-16 12:29:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-16 12:29:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-16 12:29:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:29:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:29:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-16 12:29:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-16 12:29:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-16 12:29:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-16 12:29:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-16 12:29:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-16 12:29:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 12:29:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 12:29:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-16 12:29:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-16 12:29:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-16 12:29:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-16 12:29:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-16 12:29:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-16 12:29:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 12:29:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 12:29:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:29:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:29:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 12:29:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 12:29:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-16 12:29:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-16 12:29:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 12:29:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 12:29:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-16 12:29:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-16 12:29:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-16 12:29:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-16 12:29:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-16 12:29:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-16 12:29:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 12:29:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 12:29:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-16 12:29:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-16 12:29:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:29:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 12:29:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-16 12:29:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-16 12:29:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:29:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-16 12:29:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-16 12:29:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-16 12:29:27,747 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-16 12:29:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-16 12:29:27,747 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-16 12:29:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:29:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:29:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-16 12:29:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 12:29:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-16 12:29:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-16 12:29:27,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-16 12:29:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:29:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 12:29:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:29:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-16 12:29:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-16 12:29:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-16 12:29:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-16 12:29:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 12:29:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 12:29:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-16 12:29:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 12:29:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 12:29:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-16 12:29:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-16 12:29:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-16 12:29:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-16 12:29:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-16 12:29:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-16 12:29:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-16 12:29:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 12:29:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 12:29:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 12:29:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 12:29:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 12:29:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 12:29:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-16 12:29:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-16 12:29:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 12:29:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 12:29:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-16 12:29:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-16 12:29:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:29:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:29:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-16 12:29:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-16 12:29:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-16 12:29:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-16 12:29:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-16 12:29:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-16 12:29:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 12:29:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 12:29:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-16 12:29:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-16 12:29:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-16 12:29:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-16 12:29:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-16 12:29:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-16 12:29:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-16 12:29:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-16 12:29:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 12:29:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 12:29:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-16 12:29:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-16 12:29:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-16 12:29:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-16 12:29:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-16 12:29:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-16 12:29:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-16 12:29:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-16 12:29:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-16 12:29:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-16 12:29:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 12:29:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 12:29:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-16 12:29:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-16 12:29:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-16 12:29:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-16 12:29:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-16 12:29:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-16 12:29:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 12:29:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 12:29:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-16 12:29:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-16 12:29:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 12:29:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 12:29:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:29:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:29:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-16 12:29:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-16 12:29:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-16 12:29:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-16 12:29:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-16 12:29:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-16 12:29:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-16 12:29:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-16 12:29:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 12:29:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 12:29:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-16 12:29:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-16 12:29:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-16 12:29:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-16 12:29:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-16 12:29:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-16 12:29:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-16 12:29:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-16 12:29:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-16 12:29:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-16 12:29:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-16 12:29:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-16 12:29:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-16 12:29:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-16 12:29:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:29:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-16 12:29:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-16 12:29:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-16 12:29:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-16 12:29:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:29:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-16 12:29:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-16 12:29:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-16 12:29:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-16 12:29:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:29:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 12:29:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-16 12:29:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-16 12:29:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-16 12:29:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-16 12:29:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-16 12:29:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-16 12:29:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-16 12:29:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-16 12:29:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-16 12:29:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-16 12:29:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-16 12:29:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 12:29:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 12:29:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-16 12:29:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-16 12:29:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-16 12:29:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-16 12:29:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-16 12:29:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-16 12:29:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 12:29:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 12:29:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-16 12:29:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-16 12:29:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:29:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:29:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-16 12:29:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-16 12:29:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 12:29:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 12:29:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-16 12:29:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-16 12:29:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-16 12:29:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-16 12:29:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 12:29:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 12:29:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-16 12:29:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-16 12:29:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-16 12:29:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-16 12:29:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-16 12:29:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-16 12:29:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-16 12:29:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-16 12:29:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-16 12:29:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:29:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:29:29,015 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:29:29,018 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:29:29,551 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:29:29,635 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-16 12:29:29,635 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-16 12:29:31,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-16 12:29:31,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-16 12:29:38,574 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:29:39,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-16 12:29:39,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-16 12:29:40,979 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:29:40,984 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:29:41,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-16 12:29:41,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-16 12:29:41,764 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-16 12:29:41,764 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-16 12:29:42,991 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:30:06,482 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset := get_current(); srcloc: null [2022-11-16 12:30:06,482 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;havoc modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2022-11-16 12:30:06,483 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset := get_current(); srcloc: null [2022-11-16 12:30:06,483 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;havoc modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2022-11-16 12:30:06,483 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-16 12:30:06,483 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-16 12:30:06,483 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-16 12:30:06,484 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-16 12:30:06,484 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2022-11-16 12:30:06,484 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2022-11-16 12:30:06,484 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2022-11-16 12:30:06,484 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2022-11-16 12:30:06,484 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;havoc modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2022-11-16 12:30:06,485 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset := get_current(); srcloc: null [2022-11-16 12:30:06,485 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2022-11-16 12:30:06,485 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2022-11-16 12:30:06,485 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;havoc remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2022-11-16 12:30:06,485 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset := get_current(); srcloc: null [2022-11-16 12:30:06,486 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset := get_current(); srcloc: null [2022-11-16 12:30:06,486 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;havoc wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2022-11-16 12:30:06,486 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset := get_current(); srcloc: null [2022-11-16 12:30:06,486 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;havoc add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2022-11-16 12:30:06,486 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset := get_current(); srcloc: null [2022-11-16 12:30:06,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;havoc wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2022-11-16 12:30:06,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2022-11-16 12:30:06,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-11-16 12:30:06,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2022-11-16 12:30:06,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2022-11-16 12:30:06,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2022-11-16 12:30:06,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2022-11-16 12:30:06,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-16 12:30:06,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-16 12:30:06,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2022-11-16 12:30:06,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2022-11-16 12:30:06,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset := get_current(); srcloc: null [2022-11-16 12:30:06,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;havoc wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2022-11-16 12:30:06,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2022-11-16 12:30:06,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-16 12:30:06,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-16 12:30:06,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2022-11-16 12:30:06,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2022-11-16 12:30:06,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2022-11-16 12:30:06,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-16 12:30:06,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-16 12:30:06,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2022-11-16 12:30:06,490 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2022-11-16 12:30:08,470 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:30:08,473 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:30:08,482 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:30:08,482 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:30:08,483 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:31:00,040 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2022-11-16 12:31:00,041 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-16 12:31:00,041 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2022-11-16 12:31:00,041 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2022-11-16 12:31:00,041 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2022-11-16 12:31:00,041 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2022-11-16 12:31:00,041 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset := get_current(); srcloc: null [2022-11-16 12:31:00,041 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;havoc block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2022-11-16 12:31:00,041 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2022-11-16 12:31:00,041 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2022-11-16 12:31:00,042 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2022-11-16 12:31:00,042 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2022-11-16 12:31:00,042 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;havoc block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2022-11-16 12:31:00,042 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset := get_current(); srcloc: null [2022-11-16 12:31:00,042 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-16 12:31:00,042 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-16 12:31:00,042 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-16 12:31:00,042 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-16 12:31:01,404 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:31:01,429 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:31:01,429 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-16 12:31:01,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:31:01 BoogieIcfgContainer [2022-11-16 12:31:01,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:31:01,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:31:01,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:31:01,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:31:01,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:29:21" (1/3) ... [2022-11-16 12:31:01,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3086c845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:31:01, skipping insertion in model container [2022-11-16 12:31:01,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:26" (2/3) ... [2022-11-16 12:31:01,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3086c845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:31:01, skipping insertion in model container [2022-11-16 12:31:01,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:31:01" (3/3) ... [2022-11-16 12:31:01,444 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-16 12:31:01,462 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:31:01,463 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:31:01,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:31:01,566 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;@539eb60c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:31:01,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:31:01,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2022-11-16 12:31:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 12:31:01,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:01,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:01,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:01,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:01,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2022-11-16 12:31:01,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:31:01,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096608112] [2022-11-16 12:31:01,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:01,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:01,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:31:01,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:31:01,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 12:31:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:03,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:31:03,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:31:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:31:03,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:31:03,609 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:31:03,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096608112] [2022-11-16 12:31:03,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2096608112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:03,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:03,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:31:03,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161218895] [2022-11-16 12:31:03,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:03,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:31:03,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:31:03,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:31:03,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:03,664 INFO L87 Difference]: Start difference. First operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:31:04,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:04,396 INFO L93 Difference]: Finished difference Result 8125 states and 12244 transitions. [2022-11-16 12:31:04,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:31:04,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-16 12:31:04,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:04,467 INFO L225 Difference]: With dead ends: 8125 [2022-11-16 12:31:04,467 INFO L226 Difference]: Without dead ends: 5402 [2022-11-16 12:31:04,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:04,498 INFO L413 NwaCegarLoop]: 5821 mSDtfsCounter, 4020 mSDsluCounter, 4000 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:04,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4020 Valid, 9821 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:31:04,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2022-11-16 12:31:04,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5399. [2022-11-16 12:31:04,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3963599595551062) internal successors, (5524), 4121 states have internal predecessors, (5524), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-16 12:31:04,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8018 transitions. [2022-11-16 12:31:04,924 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8018 transitions. Word has length 17 [2022-11-16 12:31:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:04,925 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8018 transitions. [2022-11-16 12:31:04,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:31:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8018 transitions. [2022-11-16 12:31:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-16 12:31:04,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:04,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:04,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:31:05,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:05,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:05,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:05,161 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2022-11-16 12:31:05,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:31:05,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002104332] [2022-11-16 12:31:05,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:05,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:05,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:31:05,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:31:05,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 12:31:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:06,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:31:06,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:31:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:31:06,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:31:06,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:31:06,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002104332] [2022-11-16 12:31:06,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002104332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:06,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:06,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:31:06,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845504757] [2022-11-16 12:31:06,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:06,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:31:06,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:31:06,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:31:06,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:31:06,685 INFO L87 Difference]: Start difference. First operand 5399 states and 8018 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-16 12:31:07,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:07,203 INFO L93 Difference]: Finished difference Result 10703 states and 15909 transitions. [2022-11-16 12:31:07,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:31:07,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 54 [2022-11-16 12:31:07,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:07,240 INFO L225 Difference]: With dead ends: 10703 [2022-11-16 12:31:07,240 INFO L226 Difference]: Without dead ends: 5399 [2022-11-16 12:31:07,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:31:07,262 INFO L413 NwaCegarLoop]: 4031 mSDtfsCounter, 1 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12087 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:07,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12087 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:31:07,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2022-11-16 12:31:07,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5399. [2022-11-16 12:31:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3961071789686552) internal successors, (5523), 4121 states have internal predecessors, (5523), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-16 12:31:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8017 transitions. [2022-11-16 12:31:07,642 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8017 transitions. Word has length 54 [2022-11-16 12:31:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:07,642 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8017 transitions. [2022-11-16 12:31:07,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-16 12:31:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8017 transitions. [2022-11-16 12:31:07,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-16 12:31:07,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:07,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:07,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:31:07,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:07,871 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:07,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:07,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1735445289, now seen corresponding path program 1 times [2022-11-16 12:31:07,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:31:07,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874624323] [2022-11-16 12:31:07,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:07,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:07,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:31:07,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:31:07,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 12:31:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:09,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 2198 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:31:09,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:31:10,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:31:10,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:31:10,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:31:10,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874624323] [2022-11-16 12:31:10,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874624323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:10,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:10,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:31:10,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224169092] [2022-11-16 12:31:10,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:10,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:31:10,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:31:10,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:31:10,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:31:10,958 INFO L87 Difference]: Start difference. First operand 5399 states and 8017 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-16 12:31:13,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:31:15,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:15,438 INFO L93 Difference]: Finished difference Result 16162 states and 24022 transitions. [2022-11-16 12:31:15,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:31:15,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 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 61 [2022-11-16 12:31:15,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:15,503 INFO L225 Difference]: With dead ends: 16162 [2022-11-16 12:31:15,504 INFO L226 Difference]: Without dead ends: 10767 [2022-11-16 12:31:15,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:31:15,532 INFO L413 NwaCegarLoop]: 7724 mSDtfsCounter, 4001 mSDsluCounter, 27173 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4007 SdHoareTripleChecker+Valid, 34897 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:15,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4007 Valid, 34897 Invalid, 41 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 12:31:15,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10767 states. [2022-11-16 12:31:16,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10767 to 10753. [2022-11-16 12:31:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10753 states, 7875 states have (on average 1.3964444444444444) internal successors, (10997), 8204 states have internal predecessors, (10997), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2022-11-16 12:31:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10753 states to 10753 states and 15980 transitions. [2022-11-16 12:31:16,225 INFO L78 Accepts]: Start accepts. Automaton has 10753 states and 15980 transitions. Word has length 61 [2022-11-16 12:31:16,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:16,226 INFO L495 AbstractCegarLoop]: Abstraction has 10753 states and 15980 transitions. [2022-11-16 12:31:16,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-16 12:31:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 10753 states and 15980 transitions. [2022-11-16 12:31:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-16 12:31:16,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:16,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:16,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:31:16,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:16,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:16,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:16,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1755782664, now seen corresponding path program 1 times [2022-11-16 12:31:16,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:31:16,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493972998] [2022-11-16 12:31:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:16,453 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:16,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:31:16,459 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:31:16,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 12:31:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:18,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 2204 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:31:18,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:31:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:31:19,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:31:19,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:31:19,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493972998] [2022-11-16 12:31:19,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493972998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:19,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:19,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:31:19,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202245908] [2022-11-16 12:31:19,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:19,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:31:19,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:31:19,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:31:19,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:31:19,134 INFO L87 Difference]: Start difference. First operand 10753 states and 15980 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-16 12:31:21,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:21,824 INFO L93 Difference]: Finished difference Result 18231 states and 27325 transitions. [2022-11-16 12:31:21,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:31:21,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 61 [2022-11-16 12:31:21,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:21,911 INFO L225 Difference]: With dead ends: 18231 [2022-11-16 12:31:21,911 INFO L226 Difference]: Without dead ends: 12861 [2022-11-16 12:31:21,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:31:21,937 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 3407 mSDsluCounter, 12800 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 18339 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:21,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 18339 Invalid, 830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [812 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 12:31:21,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12861 states. [2022-11-16 12:31:22,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12861 to 10759. [2022-11-16 12:31:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10759 states, 7881 states have (on average 1.3961426214947341) internal successors, (11003), 8210 states have internal predecessors, (11003), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2022-11-16 12:31:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10759 states to 10759 states and 15986 transitions. [2022-11-16 12:31:22,818 INFO L78 Accepts]: Start accepts. Automaton has 10759 states and 15986 transitions. Word has length 61 [2022-11-16 12:31:22,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:22,819 INFO L495 AbstractCegarLoop]: Abstraction has 10759 states and 15986 transitions. [2022-11-16 12:31:22,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-16 12:31:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 10759 states and 15986 transitions. [2022-11-16 12:31:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 12:31:22,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:22,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:22,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:31:23,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:23,050 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:23,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:23,051 INFO L85 PathProgramCache]: Analyzing trace with hash -205695727, now seen corresponding path program 1 times [2022-11-16 12:31:23,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:31:23,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434678355] [2022-11-16 12:31:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:23,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:23,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:31:23,055 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:31:23,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-16 12:31:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:25,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:31:25,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:31:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:31:26,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:31:26,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:31:26,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434678355] [2022-11-16 12:31:26,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434678355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:26,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:26,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:31:26,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765031280] [2022-11-16 12:31:26,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:26,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:31:26,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:31:26,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:31:26,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:26,421 INFO L87 Difference]: Start difference. First operand 10759 states and 15986 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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) [2022-11-16 12:31:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:28,447 INFO L93 Difference]: Finished difference Result 21413 states and 31947 transitions. [2022-11-16 12:31:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:31:28,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 65 [2022-11-16 12:31:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:28,509 INFO L225 Difference]: With dead ends: 21413 [2022-11-16 12:31:28,510 INFO L226 Difference]: Without dead ends: 10679 [2022-11-16 12:31:28,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:28,556 INFO L413 NwaCegarLoop]: 3829 mSDtfsCounter, 3877 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:28,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3877 Valid, 3829 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 12:31:28,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10679 states. [2022-11-16 12:31:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10679 to 10679. [2022-11-16 12:31:29,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.352105465250224) internal successors, (10564), 8138 states have internal predecessors, (10564), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2022-11-16 12:31:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15531 transitions. [2022-11-16 12:31:29,364 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15531 transitions. Word has length 65 [2022-11-16 12:31:29,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:29,365 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15531 transitions. [2022-11-16 12:31:29,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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) [2022-11-16 12:31:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15531 transitions. [2022-11-16 12:31:29,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 12:31:29,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:29,373 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:29,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:31:29,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:29,594 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:29,595 INFO L85 PathProgramCache]: Analyzing trace with hash -143656113, now seen corresponding path program 1 times [2022-11-16 12:31:29,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:31:29,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278424298] [2022-11-16 12:31:29,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:29,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:29,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:31:29,599 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:31:29,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-16 12:31:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:31,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:31:31,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:31:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:31:33,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:31:33,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:31:33,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278424298] [2022-11-16 12:31:33,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278424298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:33,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:33,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:31:33,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977588041] [2022-11-16 12:31:33,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:33,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:31:33,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:31:33,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:31:33,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:33,091 INFO L87 Difference]: Start difference. First operand 10679 states and 15531 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:31:34,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:34,029 INFO L93 Difference]: Finished difference Result 16018 states and 23291 transitions. [2022-11-16 12:31:34,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:31:34,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-16 12:31:34,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:34,077 INFO L225 Difference]: With dead ends: 16018 [2022-11-16 12:31:34,077 INFO L226 Difference]: Without dead ends: 10687 [2022-11-16 12:31:34,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:34,095 INFO L413 NwaCegarLoop]: 4905 mSDtfsCounter, 3865 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 8788 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:34,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3865 Valid, 8788 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:31:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2022-11-16 12:31:34,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10679. [2022-11-16 12:31:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.3518494816331754) internal successors, (10562), 8136 states have internal predecessors, (10562), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2022-11-16 12:31:35,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15529 transitions. [2022-11-16 12:31:35,052 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15529 transitions. Word has length 65 [2022-11-16 12:31:35,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:35,054 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15529 transitions. [2022-11-16 12:31:35,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:31:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15529 transitions. [2022-11-16 12:31:35,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-16 12:31:35,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:35,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:35,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:31:35,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:35,285 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:35,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash 49835295, now seen corresponding path program 1 times [2022-11-16 12:31:35,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:31:35,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273165469] [2022-11-16 12:31:35,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:35,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:35,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:31:35,288 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:31:35,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-16 12:31:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:37,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:31:37,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:31:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:31:38,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:31:38,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:31:38,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273165469] [2022-11-16 12:31:38,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273165469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:38,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:38,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:31:38,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958908413] [2022-11-16 12:31:38,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:38,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:31:38,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:31:38,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:31:38,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:38,865 INFO L87 Difference]: Start difference. First operand 10679 states and 15529 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:31:39,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:39,875 INFO L93 Difference]: Finished difference Result 15954 states and 23202 transitions. [2022-11-16 12:31:39,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:31:39,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2022-11-16 12:31:39,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:39,951 INFO L225 Difference]: With dead ends: 15954 [2022-11-16 12:31:39,952 INFO L226 Difference]: Without dead ends: 15946 [2022-11-16 12:31:39,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:39,964 INFO L413 NwaCegarLoop]: 4952 mSDtfsCounter, 3843 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 8861 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:39,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 8861 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:31:39,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15946 states. [2022-11-16 12:31:41,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15946 to 15938. [2022-11-16 12:31:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15938 states, 11660 states have (on average 1.3524871355060035) internal successors, (15770), 12141 states have internal predecessors, (15770), 3707 states have call successors, (3707), 570 states have call predecessors, (3707), 570 states have return successors, (3710), 3583 states have call predecessors, (3710), 3705 states have call successors, (3710) [2022-11-16 12:31:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15938 states to 15938 states and 23187 transitions. [2022-11-16 12:31:41,220 INFO L78 Accepts]: Start accepts. Automaton has 15938 states and 23187 transitions. Word has length 73 [2022-11-16 12:31:41,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:41,220 INFO L495 AbstractCegarLoop]: Abstraction has 15938 states and 23187 transitions. [2022-11-16 12:31:41,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:31:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 15938 states and 23187 transitions. [2022-11-16 12:31:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-16 12:31:41,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:41,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:41,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:31:41,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:41,446 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:41,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:41,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1405702881, now seen corresponding path program 1 times [2022-11-16 12:31:41,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:31:41,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406236580] [2022-11-16 12:31:41,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:41,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:41,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:31:41,451 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:31:41,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-16 12:31:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:43,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:31:43,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:31:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:31:44,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:31:44,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:31:44,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406236580] [2022-11-16 12:31:44,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406236580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:44,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:44,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:31:44,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788986776] [2022-11-16 12:31:44,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:44,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:31:44,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:31:44,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:31:44,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:44,501 INFO L87 Difference]: Start difference. First operand 15938 states and 23187 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-16 12:31:45,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:45,777 INFO L93 Difference]: Finished difference Result 37604 states and 55261 transitions. [2022-11-16 12:31:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:31:45,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2022-11-16 12:31:45,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:45,881 INFO L225 Difference]: With dead ends: 37604 [2022-11-16 12:31:45,881 INFO L226 Difference]: Without dead ends: 21834 [2022-11-16 12:31:45,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:31:45,929 INFO L413 NwaCegarLoop]: 4273 mSDtfsCounter, 1074 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 8117 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:45,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 8117 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:31:45,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21834 states. [2022-11-16 12:31:47,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21834 to 21824. [2022-11-16 12:31:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21824 states, 16094 states have (on average 1.3629302845781037) internal successors, (21935), 16755 states have internal predecessors, (21935), 5159 states have call successors, (5159), 570 states have call predecessors, (5159), 570 states have return successors, (5166), 5005 states have call predecessors, (5166), 5157 states have call successors, (5166) [2022-11-16 12:31:47,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21824 states to 21824 states and 32260 transitions. [2022-11-16 12:31:47,846 INFO L78 Accepts]: Start accepts. Automaton has 21824 states and 32260 transitions. Word has length 77 [2022-11-16 12:31:47,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:47,847 INFO L495 AbstractCegarLoop]: Abstraction has 21824 states and 32260 transitions. [2022-11-16 12:31:47,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-16 12:31:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 21824 states and 32260 transitions. [2022-11-16 12:31:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 12:31:47,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:47,860 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:47,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:31:48,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:48,074 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:31:48,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:48,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1461524583, now seen corresponding path program 1 times [2022-11-16 12:31:48,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:31:48,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145055588] [2022-11-16 12:31:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:48,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:31:48,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:31:48,079 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:31:48,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-16 12:32:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:56,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:33:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:33:19,629 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-16 12:33:19,630 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:33:19,631 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:33:19,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:33:19,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:33:19,857 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:19,861 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:33:20,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:33:20 BoogieIcfgContainer [2022-11-16 12:33:20,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:33:20,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:33:20,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:33:20,046 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:33:20,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:31:01" (3/4) ... [2022-11-16 12:33:20,049 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:33:20,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:33:20,050 INFO L158 Benchmark]: Toolchain (without parser) took 238084.47ms. Allocated memory was 69.2MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 34.8MB in the beginning and 984.5MB in the end (delta: -949.7MB). Peak memory consumption was 659.7MB. Max. memory is 16.1GB. [2022-11-16 12:33:20,051 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:33:20,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4788.77ms. Allocated memory was 69.2MB in the beginning and 274.7MB in the end (delta: 205.5MB). Free memory was 34.6MB in the beginning and 120.0MB in the end (delta: -85.4MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2022-11-16 12:33:20,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 465.47ms. Allocated memory is still 274.7MB. Free memory was 120.0MB in the beginning and 169.5MB in the end (delta: -49.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-11-16 12:33:20,052 INFO L158 Benchmark]: Boogie Preprocessor took 413.14ms. Allocated memory is still 274.7MB. Free memory was 169.5MB in the beginning and 116.0MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-16 12:33:20,052 INFO L158 Benchmark]: RCFGBuilder took 93796.27ms. Allocated memory was 274.7MB in the beginning and 922.7MB in the end (delta: 648.0MB). Free memory was 115.0MB in the beginning and 367.3MB in the end (delta: -252.4MB). Peak memory consumption was 508.9MB. Max. memory is 16.1GB. [2022-11-16 12:33:20,053 INFO L158 Benchmark]: TraceAbstraction took 138608.04ms. Allocated memory was 922.7MB in the beginning and 1.7GB in the end (delta: 755.0MB). Free memory was 366.3MB in the beginning and 985.5MB in the end (delta: -619.3MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. [2022-11-16 12:33:20,054 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 1.7GB. Free memory was 985.5MB in the beginning and 984.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:33:20,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4788.77ms. Allocated memory was 69.2MB in the beginning and 274.7MB in the end (delta: 205.5MB). Free memory was 34.6MB in the beginning and 120.0MB in the end (delta: -85.4MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 465.47ms. Allocated memory is still 274.7MB. Free memory was 120.0MB in the beginning and 169.5MB in the end (delta: -49.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 413.14ms. Allocated memory is still 274.7MB. Free memory was 169.5MB in the beginning and 116.0MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 93796.27ms. Allocated memory was 274.7MB in the beginning and 922.7MB in the end (delta: 648.0MB). Free memory was 115.0MB in the beginning and 367.3MB in the end (delta: -252.4MB). Peak memory consumption was 508.9MB. Max. memory is 16.1GB. * TraceAbstraction took 138608.04ms. Allocated memory was 922.7MB in the beginning and 1.7GB in the end (delta: 755.0MB). Free memory was 366.3MB in the beginning and 985.5MB in the end (delta: -619.3MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 1.7GB. Free memory was 985.5MB in the beginning and 984.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 14623]: 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 12224. Possible FailurePath: [L7413-L7440] static struct file_operations const synclink_gt_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & synclink_gt_proc_open, (int (*)(struct file * , fl_owner_t ))0, & single_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L5748] static char *tty_driver_name = (char *)"synclink_gt"; [L5776] static int slgt_device_count ; [L14221] int LDV_IN_INTERRUPT ; [L5775] static struct slgt_info *slgt_device_list ; [L5807-L5810] static MGSL_PARAMS default_params = {2UL, (unsigned char)0, (unsigned short)1, (unsigned char)3, 0UL, (unsigned char)255, (unsigned short)1, (unsigned char)0, (unsigned char)0, 9600UL, (unsigned char)8, (unsigned char)1, (unsigned char)0}; [L5778] static int debug_level ; [L11815-L11816] static struct tty_port_operations const slgt_port_ops = {& carrier_raised, & dtr_rts, (void (*)(struct tty_port * ))0, (void (*)(struct tty_port * ))0, (int (*)(struct tty_port * , struct tty_struct * ))0, (void (*)(struct tty_port * ))0}; [L5777] static int ttymajor ; [L5747] static char *driver_name = (char *)"SyncLink GT"; [L5749] static char *tty_dev_prefix = (char *)"ttySLG"; [L5758-L5773] static struct pci_driver pci_driver = {{(struct list_head *)0, (struct list_head *)0}, "synclink_gt", (struct pci_device_id const *)(& pci_table), & init_one, & 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}}}; [L5774] static bool pci_registered ; [L5780] static struct tty_driver *serial_driver ; [L12074-L12087] static struct tty_operations const ops = {(struct tty_struct *(*)(struct tty_driver * , struct inode * , int ))0, (int (*)(struct tty_driver * , struct tty_struct * ))0, (void (*)(struct tty_driver * , struct tty_struct * ))0, & open, & close, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, & write, & put_char, & flush_chars, & write_room, & chars_in_buffer, & ioctl, & slgt_compat_ioctl, & set_termios, & throttle, & unthrottle, & tx_hold, & tx_release, & hangup, & set_break, & flush_buffer, (void (*)(struct tty_struct * ))0, & wait_until_sent, & send_xchar, & tiocmget, & tiocmset, (int (*)(struct tty_struct * , struct winsize * ))0, (int (*)(struct tty_struct * , struct termiox * ))0, & get_icount, (int (*)(struct tty_driver * , int , char * ))0, (int (*)(struct tty_driver * , int ))0, (void (*)(struct tty_driver * , int , char ))0, & synclink_gt_proc_fops}; [L14627] int ldv_module_refcounter = 1; [L8109-L8142] static struct net_device_ops const hdlcdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & hdlcdev_open, & hdlcdev_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, & hdlcdev_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & hdlcdev_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}; [L5750-L5754] static struct pci_device_id pci_table[5U] = { {5056U, 112U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 160U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 128U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 144U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5779] static int maxframe[32U] ; [L5755] struct pci_device_id const __mod_pci_device_table ; 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14223] struct pci_dev *var_group1 ; [L14224] struct pci_device_id const *var_init_one_102_p1 ; [L14225] int res_init_one_102 ; [L14226] struct inode *var_group2 ; [L14227] struct file *var_group3 ; [L14228] int res_synclink_gt_proc_open_26 ; [L14229] struct net_device *var_group4 ; [L14230] int res_hdlcdev_open_33 ; [L14231] int res_hdlcdev_close_34 ; [L14232] struct ifreq *var_group5 ; [L14233] int var_hdlcdev_ioctl_35_p2 ; [L14234] struct tty_port *var_group6 ; [L14235] int var_dtr_rts_87_p1 ; [L14236] struct tty_struct *var_group7 ; [L14237] int res_open_5 ; [L14238] unsigned char const *var_write_10_p1 ; [L14239] int var_write_10_p2 ; [L14240] unsigned char var_put_char_11_p1 ; [L14241] unsigned int var_ioctl_19_p1 ; [L14242] unsigned long var_ioctl_19_p2 ; [L14243] unsigned int var_slgt_compat_ioctl_23_p1 ; [L14244] unsigned long var_slgt_compat_ioctl_23_p2 ; [L14245] char var_send_xchar_12_p1 ; [L14246] int var_set_break_30_p1 ; [L14247] int var_wait_until_sent_13_p1 ; [L14248] struct ktermios *var_group8 ; [L14249] unsigned int var_tiocmset_85_p1 ; [L14250] unsigned int var_tiocmset_85_p2 ; [L14251] struct serial_icounter_struct *var_group9 ; [L14252] int var_slgt_interrupt_56_p0 ; [L14253] void *var_slgt_interrupt_56_p1 ; [L14254] int ldv_s_pci_driver_pci_driver ; [L14255] int ldv_s_synclink_gt_proc_fops_file_operations ; [L14256] int ldv_s_hdlcdev_ops_net_device_ops ; [L14257] int ldv_s_ops_tty_operations ; [L14258] int tmp ; [L14259] int tmp___0 ; [L14260] int tmp___1 ; [L14263] ldv_s_pci_driver_pci_driver = 0 [L14264] ldv_s_synclink_gt_proc_fops_file_operations = 0 [L14265] ldv_s_hdlcdev_ops_net_device_ops = 0 [L14266] ldv_s_ops_tty_operations = 0 [L14267] LDV_IN_INTERRUPT = 1 [L14268] FCALL ldv_initialize() [L14269] CALL, EXPR slgt_init() [L12178] int rc ; [L12182] CALL, EXPR alloc_tty_driver(32) [L14781] CALL, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(size)=281, __mod_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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14728] COND FALSE !(__VERIFIER_nondet_bool()) [L14729] return malloc(size); [L14781] RET, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(arg0)=null, __mod_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={0:-9223372036854775680}, arg0=null, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={134217728:0}, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14781] return ldv_malloc(sizeof(struct tty_driver)); [L12182] RET, EXPR alloc_tty_driver(32) [L12182] serial_driver = alloc_tty_driver(32) [L12184] COND FALSE !((unsigned long )serial_driver == (unsigned long )((struct tty_driver *)0)) [L12192] serial_driver->owner = & __this_module [L12193] serial_driver->driver_name = (char const *)tty_driver_name [L12194] serial_driver->name = (char const *)tty_dev_prefix [L12195] serial_driver->major = ttymajor [L12196] serial_driver->minor_start = 64 [L12197] serial_driver->type = (short)3 [L12198] serial_driver->subtype = (short)1 [L12199] serial_driver->init_termios = tty_std_termios [L12200] serial_driver->init_termios.c_cflag = 3261U [L12201] serial_driver->init_termios.c_ispeed = 9600U [L12202] serial_driver->init_termios.c_ospeed = 9600U [L12203] serial_driver->flags = 12 [L12204] FCALL tty_set_operations(serial_driver, & ops) [L12205] CALL, EXPR tty_register_driver(serial_driver) [L14995] return __VERIFIER_nondet_int(); [L12205] RET, EXPR tty_register_driver(serial_driver) [L12205] rc = tty_register_driver(serial_driver) [L12207] COND FALSE !(rc < 0) [L12222] serial_driver->major [L12223] slgt_device_count = 0 [L12224] CALL, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L14739] return __VERIFIER_nondet_int(); [L12224] RET, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12224] rc = __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12226] COND FALSE !(rc < 0) [L12233] pci_registered = (bool )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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12234] COND TRUE (unsigned long )slgt_device_list == (unsigned long )((struct slgt_info *)0) [L12240] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14269] RET, EXPR slgt_init() [L14269] tmp = slgt_init() [L14271] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14589] tmp___1 = __VERIFIER_nondet_int() [L14591] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14278] tmp___0 = __VERIFIER_nondet_int() [L14280] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14283] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14286] COND TRUE 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14404] COND TRUE ldv_s_hdlcdev_ops_net_device_ops == 0 [L14406] CALL, EXPR hdlcdev_open(var_group4) [L7718] struct slgt_info *info ; [L7719] struct hdlc_device *tmp ; [L7720] int rc ; [L7721] unsigned long flags ; [L7722] int tmp___0 ; [L7723] raw_spinlock_t *tmp___1 ; [L7724] raw_spinlock_t *tmp___2 ; [L7725] raw_spinlock_t *tmp___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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7728] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L5713] void *tmp ; [L5716] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5583] return ((void *)dev + 2560U); VAL [\result={8:35184372091392}, __mod_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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L5716] RET, EXPR netdev_priv((struct net_device const *)dev) [L5716] tmp = netdev_priv((struct net_device const *)dev) [L5718] return ((struct hdlc_device *)tmp); VAL [\result={8:35184372091392}, __mod_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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={8:35184372091392}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7728] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, dev_to_hdlc(dev)={8:35184372091392}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7728] tmp = dev_to_hdlc(dev) [L7729] EXPR tmp->priv [L7729] info = (struct slgt_info *)tmp->priv [L7730] CALL, EXPR ldv_try_module_get_1(& __this_module) [L14701] int tmp ; [L14704] CALL, EXPR ldv_try_module_get(module) [L14639] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, module={0:-9223372036854775680}, module={0:-9223372036854775680}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14641] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L14643] CALL, EXPR ldv_undefined_int() [L14851] return __VERIFIER_nondet_int(); [L14643] RET, EXPR ldv_undefined_int() [L14643] module_get_succeeded = ldv_undefined_int() [L14645] COND TRUE module_get_succeeded == 1 [L14646] ldv_module_refcounter = ldv_module_refcounter + 1 [L14647] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, module={0:-9223372036854775680}, module={0:-9223372036854775680}, module_get_succeeded=1, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14704] RET, EXPR ldv_try_module_get(module) [L14704] tmp = ldv_try_module_get(module) [L14706] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, module={0:-9223372036854775680}, module={0:-9223372036854775680}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7730] RET, EXPR ldv_try_module_get_1(& __this_module) [L7730] tmp___0 = ldv_try_module_get_1(& __this_module) [L7732] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={8:35184372091392}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7736] COND FALSE !(debug_level > 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={8:35184372091392}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7743] CALL, EXPR hdlc_open(dev) [L14825] return __VERIFIER_nondet_int(); [L7743] RET, EXPR hdlc_open(dev) [L7743] rc = hdlc_open(dev) [L7745] COND TRUE rc != 0 [L7746] return (rc); VAL [\result=-2147483648, __mod_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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=2147483648, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={8:35184372091392}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14406] RET, EXPR hdlcdev_open(var_group4) [L14406] res_hdlcdev_open_33 = hdlcdev_open(var_group4) [L14407] FCALL ldv_check_return_value(res_hdlcdev_open_33) 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, res_hdlcdev_open_33=2147483648, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0, var_group4={8:35184372088832}] [L14409] COND TRUE res_hdlcdev_open_33 < 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, res_hdlcdev_open_33=2147483648, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0, var_group4={8:35184372088832}] [L14611] CALL slgt_exit() [L12252] CALL slgt_cleanup() 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12089] int rc ; [L12090] struct slgt_info *info ; [L12091] struct slgt_info *tmp ; [L12096] COND TRUE (unsigned long )serial_driver != (unsigned long )((struct tty_driver *)0) [L12097] info = slgt_device_list 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12105] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12112] CALL, EXPR tty_unregister_driver(serial_driver) [L15008] return __VERIFIER_nondet_int(); [L12112] RET, EXPR tty_unregister_driver(serial_driver) [L12112] rc = tty_unregister_driver(serial_driver) [L12114] COND FALSE !(rc != 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12124] FCALL put_tty_driver(serial_driver) 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12128] info = slgt_device_list 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12136] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12142] info = slgt_device_list 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12162] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12168] COND TRUE (int )pci_registered [L12170] FCALL pci_unregister_driver(& pci_driver) [L12252] RET slgt_cleanup() 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14611] RET slgt_exit() [L14615] CALL ldv_check_final_state() [L14691] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14693] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14623] 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={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 2733 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 138.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 24358 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24088 mSDsluCounter, 104739 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63665 mSDsCounter, 908 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 908 mSolverCounterUnsat, 41074 mSDtfsCounter, 181 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21824occurred in iteration=8, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 2145 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 76.2s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 9 NumberOfNonLiveVariables, 15702 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 [2022-11-16 12:33:20,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2baf75-13cc-4041-9a66-5d76d6d1e65b/bin/uautomizer-tPACEb0tL8/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample