./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.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_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/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_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/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_7f3564de-c8ab-4b66-b990-523b4d015ebe/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 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 --- 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 10:54:14,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:54:14,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:54:14,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:54:14,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:54:14,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:54:14,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:54:14,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:54:14,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:54:14,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:54:14,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:54:14,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:54:14,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:54:14,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:54:14,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:54:14,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:54:14,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:54:14,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:54:14,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:54:14,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:54:14,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:54:14,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:54:14,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:54:14,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:54:14,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:54:14,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:54:14,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:54:14,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:54:14,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:54:14,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:54:14,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:54:14,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:54:14,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:54:14,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:54:14,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:54:14,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:54:14,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:54:14,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:54:14,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:54:14,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:54:14,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:54:14,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:54:14,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:54:14,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:54:14,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:54:14,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:54:14,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:54:14,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:54:14,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:54:14,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:54:14,414 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:54:14,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:54:14,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:54:14,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:54:14,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:54:14,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:54:14,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:54:14,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:54:14,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:54:14,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:54:14,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:54:14,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:54:14,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:54:14,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:54:14,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:54:14,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:54:14,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:54:14,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:54:14,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:54:14,430 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:54:14,431 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:54:14,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:54:14,431 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_7f3564de-c8ab-4b66-b990-523b4d015ebe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 [2022-10-17 10:54:14,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:54:14,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:54:14,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:54:14,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:54:14,718 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:54:14,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-10-17 10:54:14,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/data/e69877b08/00e9ba8a37ef4f74a5f6cf43ae6414df/FLAG8b14f4be7 [2022-10-17 10:54:15,670 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:54:15,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-10-17 10:54:15,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/data/e69877b08/00e9ba8a37ef4f74a5f6cf43ae6414df/FLAG8b14f4be7 [2022-10-17 10:54:16,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/data/e69877b08/00e9ba8a37ef4f74a5f6cf43ae6414df [2022-10-17 10:54:16,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:54:16,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:54:16,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:16,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:54:16,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:54:16,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:16" (1/1) ... [2022-10-17 10:54:16,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4373a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:16, skipping insertion in model container [2022-10-17 10:54:16,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:16" (1/1) ... [2022-10-17 10:54:16,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:54:16,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:54:18,675 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_7f3564de-c8ab-4b66-b990-523b4d015ebe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-10-17 10:54:18,678 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_7f3564de-c8ab-4b66-b990-523b4d015ebe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-10-17 10:54:18,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:18,752 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:54:19,162 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_7f3564de-c8ab-4b66-b990-523b4d015ebe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-10-17 10:54:19,163 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_7f3564de-c8ab-4b66-b990-523b4d015ebe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-10-17 10:54:19,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:19,348 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:54:19,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19 WrapperNode [2022-10-17 10:54:19,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:19,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:19,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:54:19,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:54:19,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,640 INFO L138 Inliner]: procedures = 363, calls = 2926, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 4902 [2022-10-17 10:54:19,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:19,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:54:19,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:54:19,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:54:19,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:54:19,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:54:19,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:54:19,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:54:19,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:54:19,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:54:19,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:54:19,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3564de-c8ab-4b66-b990-523b4d015ebe/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:54:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-17 10:54:20,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-17 10:54:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-17 10:54:20,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-17 10:54:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 10:54:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:54:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:54:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:54:20,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:54:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:54:20,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:54:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-10-17 10:54:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-10-17 10:54:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 10:54:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 10:54:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-10-17 10:54:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-10-17 10:54:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:54:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:54:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-10-17 10:54:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-10-17 10:54:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-10-17 10:54:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-10-17 10:54:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:54:20,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:54:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-10-17 10:54:20,010 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-10-17 10:54:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-10-17 10:54:20,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-10-17 10:54:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-10-17 10:54:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-10-17 10:54:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-10-17 10:54:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-10-17 10:54:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:54:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-10-17 10:54:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-10-17 10:54:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:54:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:54:20,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:54:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:54:20,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:54:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-10-17 10:54:20,012 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-10-17 10:54:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:54:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:54:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-10-17 10:54:20,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-10-17 10:54:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2022-10-17 10:54:20,013 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2022-10-17 10:54:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:54:20,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:54:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 10:54:20,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 10:54:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-17 10:54:20,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-17 10:54:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:54:20,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:54:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-10-17 10:54:20,015 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-10-17 10:54:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-10-17 10:54:20,015 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-10-17 10:54:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:54:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:54:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:54:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 10:54:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 10:54:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-10-17 10:54:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-10-17 10:54:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:54:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:54:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:54:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-10-17 10:54:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-10-17 10:54:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-10-17 10:54:20,018 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-10-17 10:54:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:54:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-17 10:54:20,018 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-17 10:54:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-17 10:54:20,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-17 10:54:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:54:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:54:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 10:54:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 10:54:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:54:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:54:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:54:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:54:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 10:54:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 10:54:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:54:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:54:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-17 10:54:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-17 10:54:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:54:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:54:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:54:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-10-17 10:54:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-10-17 10:54:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-10-17 10:54:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-10-17 10:54:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-10-17 10:54:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-10-17 10:54:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:54:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:54:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:54:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:54:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:54:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-10-17 10:54:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-10-17 10:54:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-17 10:54:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-17 10:54:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:54:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:54:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:54:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:54:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-10-17 10:54:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-10-17 10:54:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:54:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-10-17 10:54:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-10-17 10:54:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-10-17 10:54:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-10-17 10:54:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:54:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:54:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:54:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:54:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 10:54:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 10:54:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-10-17 10:54:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-10-17 10:54:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 10:54:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 10:54:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:54:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:54:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-10-17 10:54:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-10-17 10:54:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-10-17 10:54:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-10-17 10:54:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-10-17 10:54:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-10-17 10:54:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:54:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-17 10:54:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-17 10:54:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:54:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:54:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:54:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:54:20,756 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:54:20,762 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:54:21,046 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:54:45,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:54:45,308 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:54:45,339 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:54:45,340 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 10:54:45,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:45 BoogieIcfgContainer [2022-10-17 10:54:45,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:54:45,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:54:45,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:54:45,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:54:45,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:54:16" (1/3) ... [2022-10-17 10:54:45,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9d1be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:54:45, skipping insertion in model container [2022-10-17 10:54:45,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (2/3) ... [2022-10-17 10:54:45,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9d1be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:54:45, skipping insertion in model container [2022-10-17 10:54:45,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:45" (3/3) ... [2022-10-17 10:54:45,355 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-10-17 10:54:45,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:54:45,375 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:54:45,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:54:45,484 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;@1784bc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:54:45,484 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:54:45,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 1390 states, 971 states have (on average 1.3202883625128734) internal successors, (1282), 980 states have internal predecessors, (1282), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) [2022-10-17 10:54:45,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-10-17 10:54:45,549 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:45,551 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:45,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:45,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:45,557 INFO L85 PathProgramCache]: Analyzing trace with hash 696493956, now seen corresponding path program 1 times [2022-10-17 10:54:45,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:45,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805215087] [2022-10-17 10:54:45,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:45,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:46,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:54:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:46,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:54:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:46,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:54:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:54:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:54:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:54:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:54:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:54:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:54:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:54:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:54:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:54:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:54:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:54:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:54:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:54:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:54:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-17 10:54:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-17 10:54:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-17 10:54:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-17 10:54:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:54:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-10-17 10:54:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-17 10:54:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-17 10:54:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-10-17 10:54:47,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:47,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805215087] [2022-10-17 10:54:47,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805215087] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:47,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:47,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:54:47,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272983793] [2022-10-17 10:54:47,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:47,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:54:47,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:47,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:54:47,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:54:47,611 INFO L87 Difference]: Start difference. First operand has 1390 states, 971 states have (on average 1.3202883625128734) internal successors, (1282), 980 states have internal predecessors, (1282), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26)