./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ --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 4b03525ec5447375a01688a728ac5f10add5f84664db60bd75967c00682bdc6d --- 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-dbf71c6-m [2022-10-17 10:17:39,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:17:39,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:17:39,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:17:39,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:17:39,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:17:39,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:17:39,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:17:39,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:17:39,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:17:39,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:17:39,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:17:39,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:17:39,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:17:39,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:17:39,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:17:39,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:17:39,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:17:39,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:17:39,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:17:39,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:17:39,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:17:39,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:17:39,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:17:39,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:17:39,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:17:39,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:17:39,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:17:39,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:17:39,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:17:39,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:17:39,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:17:39,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:17:39,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:17:39,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:17:39,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:17:39,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:17:39,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:17:39,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:17:39,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:17:39,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:17:39,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:17:39,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:17:39,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:17:39,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:17:39,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:17:39,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:17:39,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:17:39,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:17:39,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:17:39,541 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:17:39,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:17:39,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:17:39,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:17:39,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:17:39,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:17:39,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:17:39,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:17:39,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:17:39,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:17:39,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:17:39,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:17:39,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:17:39,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:17:39,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:17:39,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:17:39,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:17:39,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:17:39,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:17:39,547 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:17:39,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:17:39,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:17:39,550 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_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b03525ec5447375a01688a728ac5f10add5f84664db60bd75967c00682bdc6d [2022-10-17 10:17:39,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:17:39,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:17:39,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:17:39,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:17:39,933 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:17:39,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-17 10:17:40,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/data/5e9a463be/10496b6876c84d0796033fcf9a14b101/FLAGcf20f920d [2022-10-17 10:17:41,024 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:17:41,026 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-17 10:17:41,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/data/5e9a463be/10496b6876c84d0796033fcf9a14b101/FLAGcf20f920d [2022-10-17 10:17:41,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/data/5e9a463be/10496b6876c84d0796033fcf9a14b101 [2022-10-17 10:17:41,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:17:41,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:17:41,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:17:41,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:17:41,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:17:41,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:17:41" (1/1) ... [2022-10-17 10:17:41,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa608e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:41, skipping insertion in model container [2022-10-17 10:17:41,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:17:41" (1/1) ... [2022-10-17 10:17:41,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:17:41,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:17:43,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i[212825,212838] [2022-10-17 10:17:43,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:17:44,048 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:17:44,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i[212825,212838] [2022-10-17 10:17:44,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:17:44,625 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:17:44,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44 WrapperNode [2022-10-17 10:17:44,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:17:44,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:17:44,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:17:44,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:17:44,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:44,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:44,954 INFO L138 Inliner]: procedures = 272, calls = 2464, calls flagged for inlining = 116, calls inlined = 95, statements flattened = 3957 [2022-10-17 10:17:44,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:17:44,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:17:44,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:17:44,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:17:44,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:44,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:44,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:44,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:45,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:45,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:45,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:45,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:45,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:17:45,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:17:45,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:17:45,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:17:45,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (1/1) ... [2022-10-17 10:17:45,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:17:45,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:17:45,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:17:45,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c00f8c-523d-47db-8276-a009370fc495/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:17:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-17 10:17:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-17 10:17:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-17 10:17:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-17 10:17:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-17 10:17:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-17 10:17:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 10:17:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:17:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:17:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:17:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:17:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:17:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:17:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-10-17 10:17:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-10-17 10:17:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 10:17:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 10:17:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-10-17 10:17:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-10-17 10:17:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:17:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:17:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-10-17 10:17:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-10-17 10:17:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-10-17 10:17:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-10-17 10:17:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:17:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:17:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:17:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:17:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-10-17 10:17:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-10-17 10:17:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-10-17 10:17:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-10-17 10:17:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2022-10-17 10:17:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2022-10-17 10:17:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:17:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:17:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 10:17:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 10:17:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:17:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:17:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2022-10-17 10:17:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2022-10-17 10:17:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:17:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-10-17 10:17:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-10-17 10:17:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:17:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-10-17 10:17:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-10-17 10:17:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-17 10:17:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-17 10:17:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:17:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:17:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:17:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:17:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:17:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:17:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-17 10:17:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-17 10:17:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-10-17 10:17:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-10-17 10:17:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-10-17 10:17:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-10-17 10:17:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-17 10:17:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-17 10:17:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:17:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-10-17 10:17:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-10-17 10:17:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-17 10:17:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-17 10:17:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:17:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-10-17 10:17:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-10-17 10:17:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-10-17 10:17:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-10-17 10:17:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:17:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:17:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:17:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-17 10:17:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-17 10:17:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:17:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:17:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2022-10-17 10:17:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2022-10-17 10:17:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 10:17:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 10:17:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 10:17:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 10:17:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-17 10:17:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-17 10:17:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:17:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:17:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:17:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-10-17 10:17:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-10-17 10:17:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-10-17 10:17:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-10-17 10:17:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-10-17 10:17:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-10-17 10:17:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:17:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:17:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:17:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:17:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2022-10-17 10:17:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2022-10-17 10:17:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:17:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-17 10:17:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-17 10:17:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:17:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:17:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-10-17 10:17:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-10-17 10:17:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2022-10-17 10:17:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2022-10-17 10:17:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-17 10:17:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-17 10:17:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:17:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2022-10-17 10:17:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2022-10-17 10:17:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:17:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-10-17 10:17:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-10-17 10:17:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:17:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-17 10:17:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-17 10:17:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-10-17 10:17:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-10-17 10:17:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-10-17 10:17:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-10-17 10:17:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 10:17:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 10:17:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2022-10-17 10:17:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2022-10-17 10:17:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-10-17 10:17:45,462 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-10-17 10:17:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-10-17 10:17:45,462 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-10-17 10:17:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-10-17 10:17:45,462 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-10-17 10:17:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:17:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-17 10:17:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-17 10:17:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:17:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:17:46,309 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:17:46,314 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:17:47,169 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:17:56,226 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:17:56,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:17:56,259 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:17:56,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:17:56 BoogieIcfgContainer [2022-10-17 10:17:56,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:17:56,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:17:56,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:17:56,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:17:56,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:17:41" (1/3) ... [2022-10-17 10:17:56,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdea7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:17:56, skipping insertion in model container [2022-10-17 10:17:56,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:44" (2/3) ... [2022-10-17 10:17:56,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdea7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:17:56, skipping insertion in model container [2022-10-17 10:17:56,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:17:56" (3/3) ... [2022-10-17 10:17:56,276 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-17 10:17:56,307 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:17:56,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:17:56,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:17:56,469 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@85ecadd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:17:56,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:17:56,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 1142 states, 797 states have (on average 1.358845671267252) internal successors, (1083), 819 states have internal predecessors, (1083), 281 states have call successors, (281), 63 states have call predecessors, (281), 62 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) [2022-10-17 10:17:56,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-17 10:17:56,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:17:56,530 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:17:56,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:17:56,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:56,536 INFO L85 PathProgramCache]: Analyzing trace with hash -541643371, now seen corresponding path program 1 times [2022-10-17 10:17:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:56,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142392032] [2022-10-17 10:17:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:56,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:17:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:17:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:17:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:17:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:17:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:17:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-17 10:17:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:17:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-17 10:17:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:17:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-17 10:17:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-17 10:17:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-17 10:17:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:17:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-17 10:17:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-17 10:17:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-17 10:17:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-17 10:17:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-17 10:17:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-10-17 10:17:58,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:58,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142392032] [2022-10-17 10:17:58,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142392032] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:58,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:58,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:17:58,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203870797] [2022-10-17 10:17:58,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:58,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:17:58,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:58,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:17:58,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:17:58,390 INFO L87 Difference]: Start difference. First operand has 1142 states, 797 states have (on average 1.358845671267252) internal successors, (1083), 819 states have internal predecessors, (1083), 281 states have call successors, (281), 63 states have call predecessors, (281), 62 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-17 10:18:04,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:18:06,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []