./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-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:56:42,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:56:42,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:56:42,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:56:42,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:56:42,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:56:42,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:56:42,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:56:42,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:56:42,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:56:42,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:56:42,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:56:42,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:56:42,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:56:42,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:56:42,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:56:42,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:56:42,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:56:42,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:56:42,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:56:42,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:56:42,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:56:42,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:56:42,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:56:42,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:56:42,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:56:42,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:56:42,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:56:42,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:56:42,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:56:42,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:56:42,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:56:42,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:56:42,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:56:42,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:56:42,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:56:42,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:56:42,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:56:42,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:56:42,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:56:42,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:56:42,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:56:42,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:56:42,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:56:42,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:56:42,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:56:42,941 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:56:42,941 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:56:42,941 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:56:42,942 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:56:42,942 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:56:42,942 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:56:42,942 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:56:42,943 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:56:42,943 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:56:42,943 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:56:42,944 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:56:42,944 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:56:42,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:56:42,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:56:42,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:56:42,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:56:42,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:56:42,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:56:42,946 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:56:42,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:56:42,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:56:42,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:56:42,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:56:42,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:56:42,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:56:42,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:56:42,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:56:42,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:56:42,949 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:56:42,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:56:42,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:56:42,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:56:42,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:56:42,951 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf [2021-11-12 22:56:43,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:56:43,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:56:43,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:56:43,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:56:43,278 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:56:43,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2021-11-12 22:56:43,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data/10db14b95/d94b90e437fc4f3a90d4d5a7b6a4a91e/FLAGf7bd6dcde [2021-11-12 22:56:44,952 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:56:44,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2021-11-12 22:56:45,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data/10db14b95/d94b90e437fc4f3a90d4d5a7b6a4a91e/FLAGf7bd6dcde [2021-11-12 22:56:45,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data/10db14b95/d94b90e437fc4f3a90d4d5a7b6a4a91e [2021-11-12 22:56:45,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:56:45,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:56:45,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:45,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:56:45,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:56:45,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:45" (1/1) ... [2021-11-12 22:56:45,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49864ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:45, skipping insertion in model container [2021-11-12 22:56:45,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:45" (1/1) ... [2021-11-12 22:56:45,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:56:45,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:56:48,014 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:48,306 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:48,412 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:52,216 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:52,693 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2021-11-12 22:56:52,697 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2021-11-12 22:56:52,697 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2021-11-12 22:56:52,698 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2021-11-12 22:56:52,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:56:52,871 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:56:52,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15babe5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:52, skipping insertion in model container [2021-11-12 22:56:52,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:52,872 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:56:52,875 INFO L158 Benchmark]: Toolchain (without parser) took 7457.84ms. Allocated memory was 140.5MB in the beginning and 234.9MB in the end (delta: 94.4MB). Free memory was 102.2MB in the beginning and 112.8MB in the end (delta: -10.6MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2021-11-12 22:56:52,875 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:56:52,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7454.69ms. Allocated memory was 140.5MB in the beginning and 234.9MB in the end (delta: 94.4MB). Free memory was 102.2MB in the beginning and 112.8MB in the end (delta: -10.6MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2021-11-12 22:56:52,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7454.69ms. Allocated memory was 140.5MB in the beginning and 234.9MB in the end (delta: 94.4MB). Free memory was 102.2MB in the beginning and 112.8MB in the end (delta: -10.6MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8205]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:56:55,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:56:55,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:56:55,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:56:55,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:56:55,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:56:55,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:56:55,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:56:55,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:56:55,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:56:55,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:56:55,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:56:55,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:56:55,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:56:55,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:56:55,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:56:55,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:56:55,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:56:55,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:56:55,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:56:55,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:56:55,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:56:55,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:56:55,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:56:55,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:56:55,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:56:55,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:56:55,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:56:55,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:56:55,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:56:55,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:56:55,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:56:55,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:56:55,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:56:55,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:56:55,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:56:55,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:56:55,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:56:55,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:56:55,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:56:55,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:56:55,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:56:55,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:56:55,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:56:55,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:56:55,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:56:55,725 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:56:55,725 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:56:55,725 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:56:55,726 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:56:55,726 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:56:55,726 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:56:55,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:56:55,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:56:55,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:56:55,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:56:55,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:56:55,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:56:55,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:56:55,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:56:55,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:56:55,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:56:55,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:56:55,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:56:55,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:56:55,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:56:55,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:56:55,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:56:55,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:56:55,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:56:55,733 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:56:55,733 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:56:55,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:56:55,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:56:55,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:56:55,734 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf [2021-11-12 22:56:56,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:56:56,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:56:56,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:56:56,256 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:56:56,258 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:56:56,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2021-11-12 22:56:56,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data/819e3d9e3/23cd16d3f564411e90f449c43c55279a/FLAG8a9bab25f [2021-11-12 22:56:57,854 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:56:57,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2021-11-12 22:56:57,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data/819e3d9e3/23cd16d3f564411e90f449c43c55279a/FLAG8a9bab25f [2021-11-12 22:56:58,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/data/819e3d9e3/23cd16d3f564411e90f449c43c55279a [2021-11-12 22:56:58,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:56:58,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:56:58,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:58,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:56:58,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:56:58,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:58" (1/1) ... [2021-11-12 22:56:58,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23133c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:58, skipping insertion in model container [2021-11-12 22:56:58,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:58" (1/1) ... [2021-11-12 22:56:58,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:56:58,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:57:06,966 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2021-11-12 22:57:06,969 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2021-11-12 22:57:06,969 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2021-11-12 22:57:06,970 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2021-11-12 22:57:07,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:57:07,154 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:57:07,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:57:08,286 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2021-11-12 22:57:08,286 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2021-11-12 22:57:08,287 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2021-11-12 22:57:08,288 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2021-11-12 22:57:08,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:57:08,433 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:57:09,338 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2021-11-12 22:57:09,340 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2021-11-12 22:57:09,341 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2021-11-12 22:57:09,342 WARN L228 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_c49e718a-aefe-490b-a3e8-f50e342894e3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2021-11-12 22:57:09,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:57:09,764 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:57:09,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09 WrapperNode [2021-11-12 22:57:09,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:57:09,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:57:09,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:57:09,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:57:09,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:10,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:10,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:57:10,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:57:10,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:57:10,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:57:10,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:10,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:10,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:10,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:11,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:11,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:11,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:11,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:57:11,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:57:11,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:57:11,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:57:11,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (1/1) ... [2021-11-12 22:57:11,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:57:11,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:57:11,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:57:11,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:57:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_check_bssid [2021-11-12 22:57:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_check_bssid [2021-11-12 22:57:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_bb_reg [2021-11-12 22:57:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_bb_reg [2021-11-12 22:57:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-12 22:57:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-12 22:57:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:57:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:57:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-12 22:57:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-12 22:57:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_deinit_sw_vars [2021-11-12 22:57:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_deinit_sw_vars [2021-11-12 22:57:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2021-11-12 22:57:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2021-11-12 22:57:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-12 22:57:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-12 22:57:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 22:57:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 22:57:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:57:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:57:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-12 22:57:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-12 22:57:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_bw_mode [2021-11-12 22:57:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_bw_mode [2021-11-12 22:57:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:57:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:57:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:57:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:57:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 22:57:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 22:57:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_interrupt_mask [2021-11-12 22:57:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_interrupt_mask [2021-11-12 22:57:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_rf_serial_read [2021-11-12 22:57:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_rf_serial_read [2021-11-12 22:57:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:57:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:57:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:57:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:57:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_led_control [2021-11-12 22:57:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_led_control [2021-11-12 22:57:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_chk_fwcmd_iodone [2021-11-12 22:57:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_chk_fwcmd_iodone [2021-11-12 22:57:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_hw_reg [2021-11-12 22:57:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_hw_reg [2021-11-12 22:57:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_nullfunc [2021-11-12 22:57:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_nullfunc [2021-11-12 22:57:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 22:57:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 22:57:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-12 22:57:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-12 22:57:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2021-11-12 22:57:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2021-11-12 22:57:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 22:57:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 22:57:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-12 22:57:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-12 22:57:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:57:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:57:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_beacon_hwreg [2021-11-12 22:57:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_beacon_hwreg [2021-11-12 22:57:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 22:57:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 22:57:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_calculate_bit_shift [2021-11-12 22:57:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_calculate_bit_shift [2021-11-12 22:57:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 22:57:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 22:57:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:57:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:57:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-12 22:57:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-12 22:57:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-12 22:57:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-12 22:57:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-12 22:57:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-12 22:57:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_fw_cmd [2021-11-12 22:57:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_fw_cmd [2021-11-12 22:57:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_tx_polling [2021-11-12 22:57:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_tx_polling [2021-11-12 22:57:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-12 22:57:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-12 22:57:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:57:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 22:57:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 22:57:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-12 22:57:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-12 22:57:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_read_eeprom_info [2021-11-12 22:57:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_read_eeprom_info [2021-11-12 22:57:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 22:57:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 22:57:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-12 22:57:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-12 22:57:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_set_media_status [2021-11-12 22:57:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_set_media_status [2021-11-12 22:57:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:57:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:57:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 22:57:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 22:57:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:57:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 22:57:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:57:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:57:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:57:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:57:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:57:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_set_sysclk [2021-11-12 22:57:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_set_sysclk [2021-11-12 22:57:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_sw_led_off [2021-11-12 22:57:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_sw_led_off [2021-11-12 22:57:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_halset_sysclk [2021-11-12 22:57:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_halset_sysclk [2021-11-12 22:57:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 22:57:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 22:57:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_hw_init [2021-11-12 22:57:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_hw_init [2021-11-12 22:57:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8192se_gpiobit3_cfg_inputmode [2021-11-12 22:57:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8192se_gpiobit3_cfg_inputmode [2021-11-12 22:57:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-12 22:57:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-12 22:57:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_card_disable [2021-11-12 22:57:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_card_disable [2021-11-12 22:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:57:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_get_hw_reg [2021-11-12 22:57:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_get_hw_reg [2021-11-12 22:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_dm_watchdog [2021-11-12 22:57:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_dm_watchdog [2021-11-12 22:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_config_rf [2021-11-12 22:57:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_config_rf [2021-11-12 22:57:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:57:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_dm_init_edca_turbo [2021-11-12 22:57:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_dm_init_edca_turbo [2021-11-12 22:57:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:57:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:57:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:57:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:57:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:57:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:57:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:57:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-12 22:57:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-12 22:57:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-12 22:57:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-12 22:57:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-12 22:57:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-12 22:57:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-12 22:57:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-12 22:57:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_beacon_interval [2021-11-12 22:57:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_beacon_interval [2021-11-12 22:57:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_txpower [2021-11-12 22:57:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_txpower [2021-11-12 22:57:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_suspend [2021-11-12 22:57:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_suspend [2021-11-12 22:57:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_firmware_get_nextstatus [2021-11-12 22:57:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_firmware_get_nextstatus [2021-11-12 22:57:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-12 22:57:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-12 22:57:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_beacon_related_registers [2021-11-12 22:57:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_beacon_related_registers [2021-11-12 22:57:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-12 22:57:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-12 22:57:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 22:57:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 22:57:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 22:57:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 22:57:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-12 22:57:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-12 22:57:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_config_bb [2021-11-12 22:57:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_config_bb [2021-11-12 22:57:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_hw_security_config [2021-11-12 22:57:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_hw_security_config [2021-11-12 22:57:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-12 22:57:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-12 22:57:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_init_sw_leds [2021-11-12 22:57:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_init_sw_leds [2021-11-12 22:57:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_check_ephy_switchready [2021-11-12 22:57:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_check_ephy_switchready [2021-11-12 22:57:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:57:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_qos [2021-11-12 22:57:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_qos [2021-11-12 22:57:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-12 22:57:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-12 22:57:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:57:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_rf_onoff_detect [2021-11-12 22:57:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_rf_onoff_detect [2021-11-12 22:57:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_tx_fill_cmddesc [2021-11-12 22:57:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_tx_fill_cmddesc [2021-11-12 22:57:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_set_rfhalt [2021-11-12 22:57:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_set_rfhalt [2021-11-12 22:57:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_cmd_send_packet [2021-11-12 22:57:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_cmd_send_packet [2021-11-12 22:57:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2021-11-12 22:57:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2021-11-12 22:57:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-12 22:57:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-12 22:57:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:57:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:57:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:57:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:57:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_interrupt [2021-11-12 22:57:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_interrupt [2021-11-12 22:57:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:57:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_set_sw_chnl_cmdarray [2021-11-12 22:57:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_set_sw_chnl_cmdarray [2021-11-12 22:57:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-12 22:57:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-12 22:57:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-12 22:57:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-12 22:57:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_init_led [2021-11-12 22:57:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_init_led [2021-11-12 22:57:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:57:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:57:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___5 [2021-11-12 22:57:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___5 [2021-11-12 22:57:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl92se_driver_exit_7_2 [2021-11-12 22:57:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl92se_driver_exit_7_2 [2021-11-12 22:57:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-12 22:57:11,952 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-12 22:57:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-12 22:57:11,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-12 22:57:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-12 22:57:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-12 22:57:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-12 22:57:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-12 22:57:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:57:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:57:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_fw_set_rqpn [2021-11-12 22:57:11,954 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_fw_set_rqpn [2021-11-12 22:57:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2021-11-12 22:57:11,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2021-11-12 22:57:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:57:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:57:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:57:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:57:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-12 22:57:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-12 22:57:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:57:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:57:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-12 22:57:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-12 22:57:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_query_bb_reg [2021-11-12 22:57:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_query_bb_reg [2021-11-12 22:57:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_rf_reg [2021-11-12 22:57:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_rf_reg [2021-11-12 22:57:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_scan_operation_backup [2021-11-12 22:57:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_scan_operation_backup [2021-11-12 22:57:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-12 22:57:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-12 22:57:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-12 22:57:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-12 22:57:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_disable_interrupt [2021-11-12 22:57:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_disable_interrupt [2021-11-12 22:57:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-12 22:57:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-12 22:57:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-12 22:57:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-12 22:57:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-12 22:57:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-12 22:57:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_hal_rate_tbl [2021-11-12 22:57:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_hal_rate_tbl [2021-11-12 22:57:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-12 22:57:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-12 22:57:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:57:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:57:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_resume [2021-11-12 22:57:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_resume [2021-11-12 22:57:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-12 22:57:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-12 22:57:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_sw_led_on [2021-11-12 22:57:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_sw_led_on [2021-11-12 22:57:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 22:57:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 22:57:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_channel_access_setting [2021-11-12 22:57:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_channel_access_setting [2021-11-12 22:57:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-12 22:57:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-12 22:57:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 22:57:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 22:57:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_init_sw_vars [2021-11-12 22:57:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_init_sw_vars [2021-11-12 22:57:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_query_rf_reg [2021-11-12 22:57:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_query_rf_reg [2021-11-12 22:57:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-12 22:57:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-12 22:57:15,018 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:00:06,999 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:00:22,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:00:22,345 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-11-12 23:00:22,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:00:22 BoogieIcfgContainer [2021-11-12 23:00:22,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:00:22,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:00:22,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:00:22,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:00:22,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:56:58" (1/3) ... [2021-11-12 23:00:22,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db711bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:00:22, skipping insertion in model container [2021-11-12 23:00:22,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:57:09" (2/3) ... [2021-11-12 23:00:22,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db711bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:00:22, skipping insertion in model container [2021-11-12 23:00:22,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:00:22" (3/3) ... [2021-11-12 23:00:22,365 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2021-11-12 23:00:22,372 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:00:22,373 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-12 23:00:22,498 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:00:22,508 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:00:22,508 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-12 23:00:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 5672 states, 3905 states have (on average 1.3743918053777209) internal successors, (5367), 4040 states have internal predecessors, (5367), 1661 states have call successors, (1661), 127 states have call predecessors, (1661), 126 states have return successors, (1651), 1579 states have call predecessors, (1651), 1651 states have call successors, (1651) [2021-11-12 23:00:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-12 23:00:22,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:00:22,728 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:00:22,729 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:00:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:00:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash 812296159, now seen corresponding path program 1 times [2021-11-12 23:00:22,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:00:22,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722018697] [2021-11-12 23:00:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:00:22,810 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:00:22,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:00:22,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:00:22,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:01:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:01:05,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 8198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:01:05,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:01:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 2925 trivial. 0 not checked. [2021-11-12 23:01:06,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:01:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-11-12 23:01:08,047 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:01:08,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722018697] [2021-11-12 23:01:08,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722018697] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:01:08,048 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:01:08,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:01:08,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993527328] [2021-11-12 23:01:08,052 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:01:08,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:01:08,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:01:08,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:01:08,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:01:08,110 INFO L87 Difference]: Start difference. First operand has 5672 states, 3905 states have (on average 1.3743918053777209) internal successors, (5367), 4040 states have internal predecessors, (5367), 1661 states have call successors, (1661), 127 states have call predecessors, (1661), 126 states have return successors, (1651), 1579 states have call predecessors, (1651), 1651 states have call successors, (1651) Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-12 23:01:09,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:01:11,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:01:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:01:49,513 INFO L93 Difference]: Finished difference Result 16544 states and 25773 transitions. [2021-11-12 23:01:49,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:01:49,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 314 [2021-11-12 23:01:49,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:01:49,676 INFO L225 Difference]: With dead ends: 16544 [2021-11-12 23:01:49,676 INFO L226 Difference]: Without dead ends: 10676 [2021-11-12 23:01:49,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:01:49,784 INFO L933 BasicCegarLoop]: 8331 mSDtfsCounter, 16235 mSDsluCounter, 10074 mSDsCounter, 0 mSdLazyCounter, 2260 mSolverCounterSat, 2163 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37934.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16235 SdHoareTripleChecker+Valid, 18405 SdHoareTripleChecker+Invalid, 4424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 131.60ms SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 2260 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40109.26ms IncrementalHoareTripleChecker+Time [2021-11-12 23:01:49,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16235 Valid, 18405 Invalid, 4424 Unknown, 0 Unchecked, 131.60ms Time], IncrementalHoareTripleChecker [2163 Valid, 2260 Invalid, 1 Unknown, 0 Unchecked, 40109.26ms Time] [2021-11-12 23:01:49,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10676 states. [2021-11-12 23:01:51,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10676 to 10668. [2021-11-12 23:01:51,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10668 states, 7648 states have (on average 1.3513336820083681) internal successors, (10335), 7789 states have internal predecessors, (10335), 2711 states have call successors, (2711), 308 states have call predecessors, (2711), 307 states have return successors, (2708), 2633 states have call predecessors, (2708), 2708 states have call successors, (2708) [2021-11-12 23:01:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10668 states to 10668 states and 15754 transitions. [2021-11-12 23:01:51,242 INFO L78 Accepts]: Start accepts. Automaton has 10668 states and 15754 transitions. Word has length 314 [2021-11-12 23:01:51,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:01:51,245 INFO L470 AbstractCegarLoop]: Abstraction has 10668 states and 15754 transitions. [2021-11-12 23:01:51,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-12 23:01:51,247 INFO L276 IsEmpty]: Start isEmpty. Operand 10668 states and 15754 transitions. [2021-11-12 23:01:51,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-12 23:01:51,260 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:01:51,261 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:01:51,485 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-12 23:01:51,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:01:51,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:01:51,542 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:01:51,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:01:51,543 INFO L85 PathProgramCache]: Analyzing trace with hash 302809928, now seen corresponding path program 1 times [2021-11-12 23:01:51,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:01:51,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436496545] [2021-11-12 23:01:51,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:01:51,578 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:01:51,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:01:51,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:01:51,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:02:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:02:33,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 8234 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:02:33,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:02:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 2925 trivial. 0 not checked. [2021-11-12 23:02:34,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:02:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-11-12 23:02:36,402 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:02:36,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436496545] [2021-11-12 23:02:36,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436496545] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:02:36,406 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:02:36,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:02:36,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905503116] [2021-11-12 23:02:36,407 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:02:36,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:02:36,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:02:36,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:02:36,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:02:36,416 INFO L87 Difference]: Start difference. First operand 10668 states and 15754 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-12 23:02:38,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:02:40,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:11,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:03:11,506 INFO L93 Difference]: Finished difference Result 35049 states and 51787 transitions. [2021-11-12 23:03:11,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:03:11,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 325 [2021-11-12 23:03:11,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:03:11,781 INFO L225 Difference]: With dead ends: 35049 [2021-11-12 23:03:11,781 INFO L226 Difference]: Without dead ends: 24438 [2021-11-12 23:03:11,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 646 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:03:11,859 INFO L933 BasicCegarLoop]: 7152 mSDtfsCounter, 13748 mSDsluCounter, 8565 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 1804 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32073.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13748 SdHoareTripleChecker+Valid, 15717 SdHoareTripleChecker+Invalid, 3754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 69.16ms SdHoareTripleChecker+Time, 1804 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33869.59ms IncrementalHoareTripleChecker+Time [2021-11-12 23:03:11,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13748 Valid, 15717 Invalid, 3754 Unknown, 0 Unchecked, 69.16ms Time], IncrementalHoareTripleChecker [1804 Valid, 1949 Invalid, 1 Unknown, 0 Unchecked, 33869.59ms Time] [2021-11-12 23:03:11,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24438 states. [2021-11-12 23:03:14,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24438 to 24420. [2021-11-12 23:03:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24420 states, 17531 states have (on average 1.352062061491073) internal successors, (23703), 17864 states have internal predecessors, (23703), 6176 states have call successors, (6176), 714 states have call predecessors, (6176), 711 states have return successors, (6173), 5988 states have call predecessors, (6173), 6173 states have call successors, (6173) [2021-11-12 23:03:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24420 states to 24420 states and 36052 transitions. [2021-11-12 23:03:14,288 INFO L78 Accepts]: Start accepts. Automaton has 24420 states and 36052 transitions. Word has length 325 [2021-11-12 23:03:14,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:03:14,291 INFO L470 AbstractCegarLoop]: Abstraction has 24420 states and 36052 transitions. [2021-11-12 23:03:14,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-11-12 23:03:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 24420 states and 36052 transitions. [2021-11-12 23:03:14,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-12 23:03:14,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:03:14,314 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:03:14,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:03:14,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:03:14,530 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:03:14,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:03:14,531 INFO L85 PathProgramCache]: Analyzing trace with hash -601308340, now seen corresponding path program 1 times [2021-11-12 23:03:14,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:03:14,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687408427] [2021-11-12 23:03:14,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:03:14,550 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:03:14,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:03:14,551 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:03:14,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:03:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:03:55,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 8259 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:03:55,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:03:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 2929 trivial. 0 not checked. [2021-11-12 23:03:57,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:03:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3007 trivial. 0 not checked. [2021-11-12 23:03:58,772 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:03:58,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687408427] [2021-11-12 23:03:58,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687408427] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:03:58,773 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:03:58,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:03:58,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538408486] [2021-11-12 23:03:58,774 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:03:58,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:03:58,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:03:58,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:03:58,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:03:58,778 INFO L87 Difference]: Start difference. First operand 24420 states and 36052 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-12 23:04:02,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:04,756 INFO L93 Difference]: Finished difference Result 69209 states and 102222 transitions. [2021-11-12 23:04:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:04:04,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 346 [2021-11-12 23:04:04,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:05,309 INFO L225 Difference]: With dead ends: 69209 [2021-11-12 23:04:05,309 INFO L226 Difference]: Without dead ends: 44846 [2021-11-12 23:04:05,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 689 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:05,419 INFO L933 BasicCegarLoop]: 6260 mSDtfsCounter, 5157 mSDsluCounter, 5321 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4187.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5157 SdHoareTripleChecker+Valid, 11581 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.60ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4361.34ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:05,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5157 Valid, 11581 Invalid, 62 Unknown, 0 Unchecked, 20.60ms Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 4361.34ms Time] [2021-11-12 23:04:05,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44846 states. [2021-11-12 23:04:09,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44846 to 44831. [2021-11-12 23:04:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44831 states, 32210 states have (on average 1.3517851598882336) internal successors, (43541), 32836 states have internal predecessors, (43541), 11316 states have call successors, (11316), 1308 states have call predecessors, (11316), 1303 states have return successors, (11313), 10959 states have call predecessors, (11313), 11313 states have call successors, (11313) [2021-11-12 23:04:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44831 states to 44831 states and 66170 transitions. [2021-11-12 23:04:09,750 INFO L78 Accepts]: Start accepts. Automaton has 44831 states and 66170 transitions. Word has length 346 [2021-11-12 23:04:09,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:09,752 INFO L470 AbstractCegarLoop]: Abstraction has 44831 states and 66170 transitions. [2021-11-12 23:04:09,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-12 23:04:09,752 INFO L276 IsEmpty]: Start isEmpty. Operand 44831 states and 66170 transitions. [2021-11-12 23:04:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-11-12 23:04:09,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:09,781 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 26, 26, 26, 26, 26, 26, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:10,005 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-12 23:04:10,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:04:10,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:04:10,064 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:10,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:10,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1163176331, now seen corresponding path program 1 times [2021-11-12 23:04:10,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:04:10,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842338011] [2021-11-12 23:04:10,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:10,100 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:04:10,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:04:10,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:04:10,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:04:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:52,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 8324 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:04:52,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3290 trivial. 0 not checked. [2021-11-12 23:05:02,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3290 trivial. 0 not checked. [2021-11-12 23:05:06,164 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:05:06,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842338011] [2021-11-12 23:05:06,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842338011] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:05:06,165 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:05:06,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-12 23:05:06,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162595686] [2021-11-12 23:05:06,165 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:05:06,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:05:06,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:05:06,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:05:06,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:05:06,168 INFO L87 Difference]: Start difference. First operand 44831 states and 66170 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2021-11-12 23:05:07,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:09,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:05:09,708 INFO L93 Difference]: Finished difference Result 44831 states and 66170 transitions. [2021-11-12 23:05:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:05:09,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 371 [2021-11-12 23:05:09,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:05:09,992 INFO L225 Difference]: With dead ends: 44831 [2021-11-12 23:05:09,992 INFO L226 Difference]: Without dead ends: 44760 [2021-11-12 23:05:10,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 737 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:05:10,020 INFO L933 BasicCegarLoop]: 5362 mSDtfsCounter, 5224 mSDsluCounter, 5362 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1620.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5224 SdHoareTripleChecker+Valid, 10724 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.54ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1799.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:05:10,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5224 Valid, 10724 Invalid, 4 Unknown, 0 Unchecked, 42.54ms Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1799.74ms Time] [2021-11-12 23:05:10,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44760 states. [2021-11-12 23:05:13,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44760 to 44712. [2021-11-12 23:05:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44712 states, 32133 states have (on average 1.3509476239380076) internal successors, (43410), 32741 states have internal predecessors, (43410), 11277 states have call successors, (11277), 1301 states have call predecessors, (11277), 1301 states have return successors, (11277), 10942 states have call predecessors, (11277), 11277 states have call successors, (11277) [2021-11-12 23:05:14,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44712 states to 44712 states and 65964 transitions. [2021-11-12 23:05:14,463 INFO L78 Accepts]: Start accepts. Automaton has 44712 states and 65964 transitions. Word has length 371 [2021-11-12 23:05:14,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:05:14,464 INFO L470 AbstractCegarLoop]: Abstraction has 44712 states and 65964 transitions. [2021-11-12 23:05:14,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2021-11-12 23:05:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 44712 states and 65964 transitions. [2021-11-12 23:05:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-12 23:05:14,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:05:14,570 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 26, 26, 26, 26, 26, 26, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:05:14,785 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2021-11-12 23:05:14,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 137 [2021-11-12 23:05:14,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:05:14,859 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:05:14,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:05:14,860 INFO L85 PathProgramCache]: Analyzing trace with hash -695863208, now seen corresponding path program 1 times [2021-11-12 23:05:14,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:05:14,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321297404] [2021-11-12 23:05:14,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:14,890 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:05:14,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:05:14,891 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:05:14,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:05:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:57,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 8404 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:05:57,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3475 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 3102 trivial. 0 not checked. [2021-11-12 23:05:59,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3475 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3462 trivial. 0 not checked. [2021-11-12 23:06:01,530 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:01,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321297404] [2021-11-12 23:06:01,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321297404] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:01,531 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:01,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:06:01,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883932723] [2021-11-12 23:06:01,531 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:01,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:06:01,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:01,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:06:01,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:06:01,534 INFO L87 Difference]: Start difference. First operand 44712 states and 65964 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 4 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2021-11-12 23:06:03,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:05,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:34,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:34,695 INFO L93 Difference]: Finished difference Result 126854 states and 187191 transitions. [2021-11-12 23:06:34,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:06:34,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 4 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 407 [2021-11-12 23:06:34,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:35,494 INFO L225 Difference]: With dead ends: 126854 [2021-11-12 23:06:35,494 INFO L226 Difference]: Without dead ends: 85542 [2021-11-12 23:06:35,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 810 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:06:35,701 INFO L933 BasicCegarLoop]: 11156 mSDtfsCounter, 10471 mSDsluCounter, 8527 mSDsCounter, 0 mSdLazyCounter, 1940 mSolverCounterSat, 937 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28362.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10471 SdHoareTripleChecker+Valid, 19683 SdHoareTripleChecker+Invalid, 2878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 53.68ms SdHoareTripleChecker+Time, 937 IncrementalHoareTripleChecker+Valid, 1940 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29704.20ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:35,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10471 Valid, 19683 Invalid, 2878 Unknown, 0 Unchecked, 53.68ms Time], IncrementalHoareTripleChecker [937 Valid, 1940 Invalid, 1 Unknown, 0 Unchecked, 29704.20ms Time] [2021-11-12 23:06:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85542 states. [2021-11-12 23:06:41,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85542 to 85534. [2021-11-12 23:06:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85534 states, 61453 states have (on average 1.3506582266122078) internal successors, (83002), 62625 states have internal predecessors, (83002), 21585 states have call successors, (21585), 2495 states have call predecessors, (21585), 2495 states have return successors, (21585), 20938 states have call predecessors, (21585), 21585 states have call successors, (21585) [2021-11-12 23:06:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85534 states to 85534 states and 126172 transitions. [2021-11-12 23:06:42,320 INFO L78 Accepts]: Start accepts. Automaton has 85534 states and 126172 transitions. Word has length 407 [2021-11-12 23:06:42,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:42,323 INFO L470 AbstractCegarLoop]: Abstraction has 85534 states and 126172 transitions. [2021-11-12 23:06:42,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 4 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2021-11-12 23:06:42,324 INFO L276 IsEmpty]: Start isEmpty. Operand 85534 states and 126172 transitions. [2021-11-12 23:06:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-11-12 23:06:42,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:42,417 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 26, 26, 26, 26, 26, 26, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:42,618 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2021-11-12 23:06:42,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:42,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:42,677 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:06:42,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:42,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1294159991, now seen corresponding path program 1 times [2021-11-12 23:06:42,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:42,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601208911] [2021-11-12 23:06:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:42,698 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:42,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:42,699 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:42,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49e718a-aefe-490b-a3e8-f50e342894e3/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:07:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:20,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 8414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:07:20,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3421 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 3192 trivial. 0 not checked. [2021-11-12 23:07:21,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3421 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3405 trivial. 0 not checked. [2021-11-12 23:07:23,199 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:07:23,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601208911] [2021-11-12 23:07:23,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601208911] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:07:23,199 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:07:23,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:07:23,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019092566] [2021-11-12 23:07:23,200 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:07:23,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:07:23,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:07:23,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:07:23,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:07:23,201 INFO L87 Difference]: Start difference. First operand 85534 states and 126172 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2021-11-12 23:07:24,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:26,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:56,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:07:56,690 INFO L93 Difference]: Finished difference Result 249294 states and 367845 transitions. [2021-11-12 23:07:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:07:56,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 424 [2021-11-12 23:07:56,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:07:57,894 INFO L225 Difference]: With dead ends: 249294 [2021-11-12 23:07:57,895 INFO L226 Difference]: Without dead ends: 167160 [2021-11-12 23:07:58,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 846 GetRequests, 844 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:07:58,163 INFO L933 BasicCegarLoop]: 11285 mSDtfsCounter, 10580 mSDsluCounter, 8648 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 930 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25726.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10580 SdHoareTripleChecker+Valid, 19933 SdHoareTripleChecker+Invalid, 2817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 51.06ms SdHoareTripleChecker+Time, 930 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27030.97ms IncrementalHoareTripleChecker+Time [2021-11-12 23:07:58,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10580 Valid, 19933 Invalid, 2817 Unknown, 0 Unchecked, 51.06ms Time], IncrementalHoareTripleChecker [930 Valid, 1886 Invalid, 1 Unknown, 0 Unchecked, 27030.97ms Time] [2021-11-12 23:07:58,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167160 states.