./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.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_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/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_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/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_917485df-0916-45ea-89cc-46fba3382683/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 c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc --- 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 10:17:24,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:17:24,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:17:24,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:17:24,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:17:24,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:17:24,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:17:24,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:17:24,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:17:24,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:17:24,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:17:24,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:17:24,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:17:24,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:17:24,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:17:24,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:17:24,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:17:24,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:17:24,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:17:24,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:17:24,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:17:24,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:17:24,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:17:24,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:17:24,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:17:24,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:17:24,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:17:24,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:17:24,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:17:24,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:17:24,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:17:24,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:17:24,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:17:24,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:17:24,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:17:24,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:17:24,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:17:24,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:17:24,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:17:24,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:17:24,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:17:24,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:17:24,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:17:24,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:17:24,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:17:24,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:17:24,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:17:24,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:17:24,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:17:24,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:17:24,701 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:17:24,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:17:24,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:17:24,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:17:24,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:17:24,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:17:24,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:17:24,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:17:24,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:17:24,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:17:24,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:17:24,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:17:24,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:17:24,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:17:24,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:17:24,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:17:24,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:17:24,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:17:24,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:17:24,703 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:17:24,703 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:17:24,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:17:24,704 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_917485df-0916-45ea-89cc-46fba3382683/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2022-10-17 10:17:24,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:17:25,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:17:25,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:17:25,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:17:25,013 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:17:25,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2022-10-17 10:17:25,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/data/fa88b9252/3badfd5f707c4b49b10c50637a5402b6/FLAGbabc5ca2b [2022-10-17 10:17:25,972 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:17:25,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2022-10-17 10:17:26,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/data/fa88b9252/3badfd5f707c4b49b10c50637a5402b6/FLAGbabc5ca2b [2022-10-17 10:17:26,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/data/fa88b9252/3badfd5f707c4b49b10c50637a5402b6 [2022-10-17 10:17:26,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:17:26,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:17:26,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:17:26,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:17:26,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:17:26,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:17:26" (1/1) ... [2022-10-17 10:17:26,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48534041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:26, skipping insertion in model container [2022-10-17 10:17:26,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:17:26" (1/1) ... [2022-10-17 10:17:26,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:17:26,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:17:26,835 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-10-17 10:17:26,835 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2022-10-17 10:17:27,266 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_917485df-0916-45ea-89cc-46fba3382683/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2022-10-17 10:17:28,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:17:28,924 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:17:29,037 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-10-17 10:17:29,037 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2022-10-17 10:17:29,056 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_917485df-0916-45ea-89cc-46fba3382683/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2022-10-17 10:17:29,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:17:29,703 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:17:29,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29 WrapperNode [2022-10-17 10:17:29,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:17:29,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:17:29,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:17:29,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:17:29,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:29,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,251 INFO L138 Inliner]: procedures = 349, calls = 4496, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 8223 [2022-10-17 10:17:30,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:17:30,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:17:30,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:17:30,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:17:30,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,801 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:17:30,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:17:30,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:17:30,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:17:30,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (1/1) ... [2022-10-17 10:17:30,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:17:30,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:17:30,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:17:31,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_917485df-0916-45ea-89cc-46fba3382683/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:17:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2022-10-17 10:17:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2022-10-17 10:17:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2022-10-17 10:17:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2022-10-17 10:17:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2022-10-17 10:17:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2022-10-17 10:17:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2022-10-17 10:17:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2022-10-17 10:17:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2022-10-17 10:17:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2022-10-17 10:17:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2022-10-17 10:17:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2022-10-17 10:17:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2022-10-17 10:17:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2022-10-17 10:17:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2022-10-17 10:17:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2022-10-17 10:17:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:17:31,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:17:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2022-10-17 10:17:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2022-10-17 10:17:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:17:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:17:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-10-17 10:17:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-10-17 10:17:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2022-10-17 10:17:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2022-10-17 10:17:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:17:31,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:17:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2022-10-17 10:17:31,046 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2022-10-17 10:17:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2022-10-17 10:17:31,046 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2022-10-17 10:17:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-10-17 10:17:31,047 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-10-17 10:17:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2022-10-17 10:17:31,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2022-10-17 10:17:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-10-17 10:17:31,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-10-17 10:17:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2022-10-17 10:17:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2022-10-17 10:17:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:17:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:17:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-10-17 10:17:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-10-17 10:17:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:17:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:17:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2022-10-17 10:17:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2022-10-17 10:17:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:17:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:17:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:17:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:17:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2022-10-17 10:17:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2022-10-17 10:17:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:17:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:17:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2022-10-17 10:17:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2022-10-17 10:17:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:17:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:17:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-10-17 10:17:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-10-17 10:17:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2022-10-17 10:17:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2022-10-17 10:17:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:17:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:17:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2022-10-17 10:17:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2022-10-17 10:17:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2022-10-17 10:17:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2022-10-17 10:17:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:17:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2022-10-17 10:17:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2022-10-17 10:17:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2022-10-17 10:17:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2022-10-17 10:17:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2022-10-17 10:17:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2022-10-17 10:17:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2022-10-17 10:17:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2022-10-17 10:17:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:17:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:17:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2022-10-17 10:17:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2022-10-17 10:17:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2022-10-17 10:17:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2022-10-17 10:17:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:17:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2022-10-17 10:17:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2022-10-17 10:17:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2022-10-17 10:17:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2022-10-17 10:17:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2022-10-17 10:17:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2022-10-17 10:17:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 10:17:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 10:17:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:17:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:17:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-10-17 10:17:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2022-10-17 10:17:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2022-10-17 10:17:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2022-10-17 10:17:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2022-10-17 10:17:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2022-10-17 10:17:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2022-10-17 10:17:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:17:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2022-10-17 10:17:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2022-10-17 10:17:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:17:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2022-10-17 10:17:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2022-10-17 10:17:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2022-10-17 10:17:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2022-10-17 10:17:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2022-10-17 10:17:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2022-10-17 10:17:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2022-10-17 10:17:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2022-10-17 10:17:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2022-10-17 10:17:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2022-10-17 10:17:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 10:17:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 10:17:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-17 10:17:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-17 10:17:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2022-10-17 10:17:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2022-10-17 10:17:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2022-10-17 10:17:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2022-10-17 10:17:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2022-10-17 10:17:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2022-10-17 10:17:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2022-10-17 10:17:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2022-10-17 10:17:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:17:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:17:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2022-10-17 10:17:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2022-10-17 10:17:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2022-10-17 10:17:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2022-10-17 10:17:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:17:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:17:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2022-10-17 10:17:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2022-10-17 10:17:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:17:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:17:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2022-10-17 10:17:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2022-10-17 10:17:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:17:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:17:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-17 10:17:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-17 10:17:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2022-10-17 10:17:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2022-10-17 10:17:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-10-17 10:17:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-10-17 10:17:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2022-10-17 10:17:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2022-10-17 10:17:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:17:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:17:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-10-17 10:17:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-10-17 10:17:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-10-17 10:17:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-10-17 10:17:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2022-10-17 10:17:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2022-10-17 10:17:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-10-17 10:17:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-10-17 10:17:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 10:17:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 10:17:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2022-10-17 10:17:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2022-10-17 10:17:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:17:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2022-10-17 10:17:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2022-10-17 10:17:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2022-10-17 10:17:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2022-10-17 10:17:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:17:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:17:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2022-10-17 10:17:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2022-10-17 10:17:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2022-10-17 10:17:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2022-10-17 10:17:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2022-10-17 10:17:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2022-10-17 10:17:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2022-10-17 10:17:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2022-10-17 10:17:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2022-10-17 10:17:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2022-10-17 10:17:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2022-10-17 10:17:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2022-10-17 10:17:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 10:17:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 10:17:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2022-10-17 10:17:31,080 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2022-10-17 10:17:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:17:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2022-10-17 10:17:31,080 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2022-10-17 10:17:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2022-10-17 10:17:31,080 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2022-10-17 10:17:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2022-10-17 10:17:31,080 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2022-10-17 10:17:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:17:31,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:17:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:17:31,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:17:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2022-10-17 10:17:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2022-10-17 10:17:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2022-10-17 10:17:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2022-10-17 10:17:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:17:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2022-10-17 10:17:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2022-10-17 10:17:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-10-17 10:17:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-10-17 10:17:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2022-10-17 10:17:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2022-10-17 10:17:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:17:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2022-10-17 10:17:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2022-10-17 10:17:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2022-10-17 10:17:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2022-10-17 10:17:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2022-10-17 10:17:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2022-10-17 10:17:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2022-10-17 10:17:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2022-10-17 10:17:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:17:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:17:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:17:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-17 10:17:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-17 10:17:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-10-17 10:17:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-10-17 10:17:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:17:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:17:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:17:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:17:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2022-10-17 10:17:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2022-10-17 10:17:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-10-17 10:17:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-10-17 10:17:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2022-10-17 10:17:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2022-10-17 10:17:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:17:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:17:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2022-10-17 10:17:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2022-10-17 10:17:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2022-10-17 10:17:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2022-10-17 10:17:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2022-10-17 10:17:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2022-10-17 10:17:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2022-10-17 10:17:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2022-10-17 10:17:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2022-10-17 10:17:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2022-10-17 10:17:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2022-10-17 10:17:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2022-10-17 10:17:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:17:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:17:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:17:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:17:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2022-10-17 10:17:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2022-10-17 10:17:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2022-10-17 10:17:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2022-10-17 10:17:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:17:31,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:17:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2022-10-17 10:17:31,095 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2022-10-17 10:17:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2022-10-17 10:17:31,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2022-10-17 10:17:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2022-10-17 10:17:31,095 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2022-10-17 10:17:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2022-10-17 10:17:31,095 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2022-10-17 10:17:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-10-17 10:17:31,095 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-10-17 10:17:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2022-10-17 10:17:31,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2022-10-17 10:17:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2022-10-17 10:17:31,096 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2022-10-17 10:17:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:17:31,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:17:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-17 10:17:31,096 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-17 10:17:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2022-10-17 10:17:31,096 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2022-10-17 10:17:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2022-10-17 10:17:31,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2022-10-17 10:17:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2022-10-17 10:17:31,097 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2022-10-17 10:17:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2022-10-17 10:17:31,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2022-10-17 10:17:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2022-10-17 10:17:31,097 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2022-10-17 10:17:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:17:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2022-10-17 10:17:31,097 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2022-10-17 10:17:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-17 10:17:31,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-17 10:17:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2022-10-17 10:17:31,098 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2022-10-17 10:17:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2022-10-17 10:17:31,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2022-10-17 10:17:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2022-10-17 10:17:31,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2022-10-17 10:17:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2022-10-17 10:17:31,098 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2022-10-17 10:17:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2022-10-17 10:17:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2022-10-17 10:17:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:17:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:17:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-10-17 10:17:31,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-10-17 10:17:32,024 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:17:32,032 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:17:33,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:17:55,882 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:17:55,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:17:55,917 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:17:55,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:17:55 BoogieIcfgContainer [2022-10-17 10:17:55,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:17:55,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:17:55,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:17:55,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:17:55,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:17:26" (1/3) ... [2022-10-17 10:17:55,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ecf9c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:17:55, skipping insertion in model container [2022-10-17 10:17:55,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:29" (2/3) ... [2022-10-17 10:17:55,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ecf9c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:17:55, skipping insertion in model container [2022-10-17 10:17:55,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:17:55" (3/3) ... [2022-10-17 10:17:55,941 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2022-10-17 10:17:55,961 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:17:55,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:17:56,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:17:56,126 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;@40cc23ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:17:56,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:17:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 2769 states, 1933 states have (on average 1.412312467666839) internal successors, (2730), 2025 states have internal predecessors, (2730), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) [2022-10-17 10:17:56,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-17 10:17:56,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:17:56,202 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:56,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:17:56,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:56,208 INFO L85 PathProgramCache]: Analyzing trace with hash 409351273, now seen corresponding path program 1 times [2022-10-17 10:17:56,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:56,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961514139] [2022-10-17 10:17:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:56,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:56,947 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 2 [2022-10-17 10:17:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:17:57,940 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 14 [2022-10-17 10:17:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-17 10:17:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-17 10:17:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:17:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:17:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-17 10:17:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:17:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:17:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:17:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-17 10:17:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:17:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:17:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-17 10:17:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-10-17 10:17:58,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:58,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961514139] [2022-10-17 10:17:58,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961514139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:58,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:58,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:17:58,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009287215] [2022-10-17 10:17:58,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:58,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:17:58,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:58,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:17:58,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:17:58,503 INFO L87 Difference]: Start difference. First operand has 2769 states, 1933 states have (on average 1.412312467666839) internal successors, (2730), 2025 states have internal predecessors, (2730), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)