./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/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 bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 --- 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 10:50:04,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:50:04,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:50:04,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:50:04,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:50:04,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:50:04,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:50:04,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:50:04,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:50:04,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:50:04,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:50:04,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:50:04,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:50:04,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:50:04,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:50:04,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:50:04,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:50:04,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:50:04,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:50:04,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:50:04,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:50:04,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:50:04,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:50:04,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:50:04,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:50:04,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:50:04,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:50:04,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:50:04,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:50:04,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:50:04,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:50:04,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:50:04,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:50:04,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:50:04,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:50:04,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:50:04,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:50:04,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:50:04,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:50:04,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:50:04,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:50:04,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:50:05,004 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:50:05,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:50:05,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:50:05,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:50:05,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:50:05,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:50:05,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:50:05,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:50:05,007 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:50:05,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:50:05,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:50:05,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:50:05,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:50:05,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:50:05,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:50:05,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:50:05,010 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:50:05,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:50:05,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:50:05,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:50:05,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:50:05,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:50:05,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:50:05,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:50:05,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:50:05,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:50:05,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:50:05,013 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:50:05,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:50:05,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:50:05,014 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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 [2022-10-17 10:50:05,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:50:05,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:50:05,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:50:05,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:50:05,347 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:50:05,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:50:05,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/data/98fd88a0f/f6f0546530c246f3848746103d82b0b7/FLAGb7e5bb415 [2022-10-17 10:50:06,388 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:50:06,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:50:06,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/data/98fd88a0f/f6f0546530c246f3848746103d82b0b7/FLAGb7e5bb415 [2022-10-17 10:50:06,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/data/98fd88a0f/f6f0546530c246f3848746103d82b0b7 [2022-10-17 10:50:06,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:50:06,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:50:06,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:50:06,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:50:06,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:50:06,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:50:06" (1/1) ... [2022-10-17 10:50:06,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186cc822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:06, skipping insertion in model container [2022-10-17 10:50:06,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:50:06" (1/1) ... [2022-10-17 10:50:06,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:50:06,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:50:09,172 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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2022-10-17 10:50:09,175 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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2022-10-17 10:50:09,176 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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2022-10-17 10:50:09,176 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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2022-10-17 10:50:09,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:50:09,219 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:50:09,581 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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2022-10-17 10:50:09,582 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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2022-10-17 10:50:09,583 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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2022-10-17 10:50:09,583 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_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2022-10-17 10:50:09,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:50:09,723 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:50:09,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09 WrapperNode [2022-10-17 10:50:09,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:50:09,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:50:09,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:50:09,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:50:09,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:09,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,036 INFO L138 Inliner]: procedures = 290, calls = 1839, calls flagged for inlining = 144, calls inlined = 136, statements flattened = 4402 [2022-10-17 10:50:10,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:50:10,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:50:10,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:50:10,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:50:10,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,337 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:50:10,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:50:10,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:50:10,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:50:10,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (1/1) ... [2022-10-17 10:50:10,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:50:10,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:10,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:10,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b406b1-9fdc-4ed9-891f-ca1ea891a799/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:50:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-10-17 10:50:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-10-17 10:50:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:50:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:50:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:50:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:50:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:50:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:50:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-10-17 10:50:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-10-17 10:50:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-10-17 10:50:10,496 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-10-17 10:50:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-10-17 10:50:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-10-17 10:50:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:50:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:50:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:50:10,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:50:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-17 10:50:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-17 10:50:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-10-17 10:50:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-10-17 10:50:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:50:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:50:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-10-17 10:50:10,498 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-10-17 10:50:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2022-10-17 10:50:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2022-10-17 10:50:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-10-17 10:50:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-10-17 10:50:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-10-17 10:50:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-10-17 10:50:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:50:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:50:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-10-17 10:50:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-10-17 10:50:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:50:10,500 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:50:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-10-17 10:50:10,501 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-10-17 10:50:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-10-17 10:50:10,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-10-17 10:50:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:50:10,502 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:50:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:50:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:50:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:50:10,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:50:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-10-17 10:50:10,503 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-10-17 10:50:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-10-17 10:50:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-10-17 10:50:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 10:50:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 10:50:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:50:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:50:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-10-17 10:50:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-10-17 10:50:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:50:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:50:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:50:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:50:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-10-17 10:50:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-10-17 10:50:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-10-17 10:50:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-10-17 10:50:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 10:50:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 10:50:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:50:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:50:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-10-17 10:50:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-10-17 10:50:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:50:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:50:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-10-17 10:50:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-10-17 10:50:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:50:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:50:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-17 10:50:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-17 10:50:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:50:10,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:50:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:50:10,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:50:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:50:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:50:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-10-17 10:50:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-10-17 10:50:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-10-17 10:50:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-10-17 10:50:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:50:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-10-17 10:50:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-10-17 10:50:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-10-17 10:50:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-10-17 10:50:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:50:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:50:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:50:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:50:10,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:50:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-10-17 10:50:10,515 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-10-17 10:50:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:50:10,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:50:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-10-17 10:50:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-10-17 10:50:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 10:50:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 10:50:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:50:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:50:10,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:50:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:50:10,518 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:50:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:50:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:50:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-10-17 10:50:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-10-17 10:50:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:50:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:50:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:50:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:50:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-10-17 10:50:10,531 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-10-17 10:50:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 10:50:10,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 10:50:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:50:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-17 10:50:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-17 10:50:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-10-17 10:50:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-10-17 10:50:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-17 10:50:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-17 10:50:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:50:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:50:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-10-17 10:50:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-10-17 10:50:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-10-17 10:50:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-10-17 10:50:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-10-17 10:50:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-10-17 10:50:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:50:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:50:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:50:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-10-17 10:50:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-10-17 10:50:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:50:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:50:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:50:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:50:10,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:50:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:50:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:50:10,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:50:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:50:10,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:50:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-10-17 10:50:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-10-17 10:50:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-10-17 10:50:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-10-17 10:50:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-10-17 10:50:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-10-17 10:50:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:50:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:50:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-10-17 10:50:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-10-17 10:50:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-10-17 10:50:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-10-17 10:50:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:50:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:50:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-10-17 10:50:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-10-17 10:50:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-10-17 10:50:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-10-17 10:50:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:50:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:50:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:50:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:50:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-10-17 10:50:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-10-17 10:50:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-17 10:50:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-17 10:50:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:50:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-17 10:50:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-17 10:50:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-10-17 10:50:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-10-17 10:50:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:50:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:50:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-10-17 10:50:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-10-17 10:50:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:50:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:50:11,254 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:50:11,259 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:50:11,572 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:50:15,731 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:50:16,356 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:50:16,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:50:16,387 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:50:16,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:50:16 BoogieIcfgContainer [2022-10-17 10:50:16,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:50:16,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:50:16,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:50:16,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:50:16,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:50:06" (1/3) ... [2022-10-17 10:50:16,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42aec817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:50:16, skipping insertion in model container [2022-10-17 10:50:16,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:09" (2/3) ... [2022-10-17 10:50:16,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42aec817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:50:16, skipping insertion in model container [2022-10-17 10:50:16,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:50:16" (3/3) ... [2022-10-17 10:50:16,403 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:50:16,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:50:16,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 10:50:16,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:50:16,555 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;@1a5facb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:50:16,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-17 10:50:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 1964 states, 1241 states have (on average 1.3086220789685736) internal successors, (1624), 1266 states have internal predecessors, (1624), 634 states have call successors, (634), 88 states have call predecessors, (634), 87 states have return successors, (630), 618 states have call predecessors, (630), 630 states have call successors, (630) [2022-10-17 10:50:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 10:50:16,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:50:16,631 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:50:16,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:50:16,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:16,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1141633489, now seen corresponding path program 1 times [2022-10-17 10:50:16,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:16,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349319293] [2022-10-17 10:50:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:16,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:50:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:50:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:50:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:50:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:50:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:50:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:50:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-17 10:50:17,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:17,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349319293] [2022-10-17 10:50:17,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349319293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:17,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:17,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:50:17,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219772426] [2022-10-17 10:50:17,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:17,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:50:17,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:17,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:50:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:50:17,772 INFO L87 Difference]: Start difference. First operand has 1964 states, 1241 states have (on average 1.3086220789685736) internal successors, (1624), 1266 states have internal predecessors, (1624), 634 states have call successors, (634), 88 states have call predecessors, (634), 87 states have return successors, (630), 618 states have call predecessors, (630), 630 states have call successors, (630) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-17 10:50:25,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:25,330 INFO L93 Difference]: Finished difference Result 5827 states and 8748 transitions. [2022-10-17 10:50:25,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:50:25,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 78 [2022-10-17 10:50:25,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:50:25,420 INFO L225 Difference]: With dead ends: 5827 [2022-10-17 10:50:25,420 INFO L226 Difference]: Without dead ends: 3868 [2022-10-17 10:50:25,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:50:25,454 INFO L413 NwaCegarLoop]: 2772 mSDtfsCounter, 3394 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 3002 mSolverCounterSat, 2298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3991 SdHoareTripleChecker+Valid, 4641 SdHoareTripleChecker+Invalid, 5300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2298 IncrementalHoareTripleChecker+Valid, 3002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-10-17 10:50:25,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3991 Valid, 4641 Invalid, 5300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2298 Valid, 3002 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-10-17 10:50:25,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3868 states. [2022-10-17 10:50:25,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3868 to 3838. [2022-10-17 10:50:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2422 states have (on average 1.268373245251858) internal successors, (3072), 2470 states have internal predecessors, (3072), 1242 states have call successors, (1242), 173 states have call predecessors, (1242), 172 states have return successors, (1240), 1216 states have call predecessors, (1240), 1240 states have call successors, (1240) [2022-10-17 10:50:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5554 transitions. [2022-10-17 10:50:25,915 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5554 transitions. Word has length 78 [2022-10-17 10:50:25,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:50:25,916 INFO L495 AbstractCegarLoop]: Abstraction has 3838 states and 5554 transitions. [2022-10-17 10:50:25,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-17 10:50:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5554 transitions. [2022-10-17 10:50:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-17 10:50:25,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:50:25,931 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:50:25,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:50:25,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:50:25,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:25,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1112760785, now seen corresponding path program 1 times [2022-10-17 10:50:25,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:25,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121946224] [2022-10-17 10:50:25,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:25,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:50:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:50:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:50:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:50:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:50:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:50:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:50:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-17 10:50:26,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:26,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121946224] [2022-10-17 10:50:26,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121946224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:26,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:26,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:50:26,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585111542] [2022-10-17 10:50:26,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:26,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:50:26,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:26,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:50:26,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:50:26,422 INFO L87 Difference]: Start difference. First operand 3838 states and 5554 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-17 10:50:28,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:50:33,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:33,986 INFO L93 Difference]: Finished difference Result 8396 states and 12224 transitions. [2022-10-17 10:50:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:50:33,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 100 [2022-10-17 10:50:33,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:50:34,037 INFO L225 Difference]: With dead ends: 8396 [2022-10-17 10:50:34,037 INFO L226 Difference]: Without dead ends: 4573 [2022-10-17 10:50:34,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:50:34,068 INFO L413 NwaCegarLoop]: 2624 mSDtfsCounter, 2521 mSDsluCounter, 1817 mSDsCounter, 0 mSdLazyCounter, 2905 mSolverCounterSat, 2021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2995 SdHoareTripleChecker+Valid, 4441 SdHoareTripleChecker+Invalid, 4926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2021 IncrementalHoareTripleChecker+Valid, 2905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:50:34,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2995 Valid, 4441 Invalid, 4926 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2021 Valid, 2905 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-10-17 10:50:34,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4573 states.