./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs --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 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:24:13,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:24:13,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:24:13,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:24:13,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:24:13,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:24:13,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:24:13,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:24:13,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:24:13,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:24:13,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:24:13,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:24:13,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:24:13,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:24:13,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:24:13,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:24:13,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:24:13,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:24:13,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:24:13,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:24:13,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:24:13,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:24:13,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:24:13,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:24:13,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:24:13,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:24:13,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:24:13,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:24:13,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:24:13,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:24:13,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:24:13,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:24:13,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:24:13,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:24:13,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:24:13,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:24:13,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:24:13,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:24:13,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:24:13,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:24:13,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:24:13,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:24:14,028 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:24:14,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:24:14,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:24:14,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:24:14,032 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:24:14,032 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:24:14,033 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:24:14,033 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:24:14,041 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:24:14,041 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:24:14,043 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:24:14,043 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:24:14,043 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:24:14,044 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:24:14,044 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:24:14,044 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:24:14,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:24:14,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:24:14,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:24:14,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:24:14,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:24:14,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:24:14,047 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:24:14,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:24:14,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:24:14,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:24:14,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:24:14,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:24:14,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:24:14,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:24:14,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:24:14,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:24:14,051 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:24:14,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:24:14,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:24:14,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:24:14,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:24:14,053 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_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2021-11-19 13:24:14,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:24:14,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:24:14,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:24:14,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:24:14,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:24:14,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-19 13:24:14,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data/5efbe6ab1/0e0882cd28654cd184ca06688c4dc179/FLAGa6930137c [2021-11-19 13:24:16,002 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:24:16,004 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-19 13:24:16,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data/5efbe6ab1/0e0882cd28654cd184ca06688c4dc179/FLAGa6930137c [2021-11-19 13:24:16,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data/5efbe6ab1/0e0882cd28654cd184ca06688c4dc179 [2021-11-19 13:24:16,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:24:16,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:24:16,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:24:16,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:24:16,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:24:16,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:24:16" (1/1) ... [2021-11-19 13:24:16,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326eeea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:16, skipping insertion in model container [2021-11-19 13:24:16,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:24:16" (1/1) ... [2021-11-19 13:24:16,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:24:16,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:24:21,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2021-11-19 13:24:21,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2021-11-19 13:24:21,214 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:24:21,265 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) [2021-11-19 13:24:21,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f4c1752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:21, skipping insertion in model container [2021-11-19 13:24:21,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:24:21,266 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:24:21,269 INFO L158 Benchmark]: Toolchain (without parser) took 5105.44ms. Allocated memory was 90.2MB in the beginning and 176.2MB in the end (delta: 86.0MB). Free memory was 58.9MB in the beginning and 103.3MB in the end (delta: -44.4MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2021-11-19 13:24:21,270 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:24:21,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5102.42ms. Allocated memory was 90.2MB in the beginning and 176.2MB in the end (delta: 86.0MB). Free memory was 58.6MB in the beginning and 103.3MB in the end (delta: -44.7MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2021-11-19 13:24:21,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5102.42ms. Allocated memory was 90.2MB in the beginning and 176.2MB in the end (delta: 86.0MB). Free memory was 58.6MB in the beginning and 103.3MB in the end (delta: -44.7MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7819]: 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_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs --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 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:24:23,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:24:23,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:24:23,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:24:23,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:24:23,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:24:23,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:24:23,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:24:23,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:24:24,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:24:24,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:24:24,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:24:24,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:24:24,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:24:24,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:24:24,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:24:24,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:24:24,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:24:24,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:24:24,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:24:24,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:24:24,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:24:24,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:24:24,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:24:24,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:24:24,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:24:24,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:24:24,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:24:24,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:24:24,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:24:24,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:24:24,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:24:24,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:24:24,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:24:24,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:24:24,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:24:24,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:24:24,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:24:24,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:24:24,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:24:24,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:24:24,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:24:24,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:24:24,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:24:24,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:24:24,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:24:24,089 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:24:24,089 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:24:24,090 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:24:24,090 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:24:24,090 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:24:24,090 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:24:24,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:24:24,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:24:24,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:24:24,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:24:24,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:24:24,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:24:24,093 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:24:24,093 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:24:24,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:24:24,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:24:24,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:24:24,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:24:24,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:24:24,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:24:24,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:24:24,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:24:24,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:24:24,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:24:24,096 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:24:24,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:24:24,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:24:24,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:24:24,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:24:24,098 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_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2021-11-19 13:24:24,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:24:24,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:24:24,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:24:24,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:24:24,672 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:24:24,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-19 13:24:24,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data/40e41339c/1dccdec710ad45dc9181fe4200dbf506/FLAG01fcea44e [2021-11-19 13:24:26,133 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:24:26,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-19 13:24:26,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data/40e41339c/1dccdec710ad45dc9181fe4200dbf506/FLAG01fcea44e [2021-11-19 13:24:26,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/data/40e41339c/1dccdec710ad45dc9181fe4200dbf506 [2021-11-19 13:24:26,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:24:26,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:24:26,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:24:26,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:24:26,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:24:26,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:24:26" (1/1) ... [2021-11-19 13:24:26,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0c0f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:26, skipping insertion in model container [2021-11-19 13:24:26,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:24:26" (1/1) ... [2021-11-19 13:24:26,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:24:26,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:24:31,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2021-11-19 13:24:31,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2021-11-19 13:24:31,199 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:24:31,240 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:24:31,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:24:31,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2021-11-19 13:24:31,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2021-11-19 13:24:31,820 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:24:31,862 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:24:33,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2021-11-19 13:24:33,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2021-11-19 13:24:33,071 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:24:33,516 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:24:33,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33 WrapperNode [2021-11-19 13:24:33,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:24:33,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:24:33,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:24:33,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:24:33,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:33,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:33,900 INFO L137 Inliner]: procedures = 507, calls = 2689, calls flagged for inlining = 240, calls inlined = 225, statements flattened = 4996 [2021-11-19 13:24:33,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:24:33,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:24:33,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:24:33,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:24:33,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:33,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:33,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:33,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:34,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:34,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:34,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:34,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:24:34,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:24:34,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:24:34,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:24:34,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (1/1) ... [2021-11-19 13:24:34,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:24:34,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:24:34,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:24:34,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:24:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2021-11-19 13:24:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2021-11-19 13:24:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 13:24:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 13:24:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2021-11-19 13:24:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2021-11-19 13:24:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:24:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:24:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2021-11-19 13:24:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2021-11-19 13:24:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2021-11-19 13:24:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2021-11-19 13:24:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 13:24:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 13:24:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2021-11-19 13:24:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2021-11-19 13:24:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:24:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:24:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2021-11-19 13:24:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2021-11-19 13:24:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2021-11-19 13:24:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2021-11-19 13:24:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2021-11-19 13:24:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2021-11-19 13:24:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2021-11-19 13:24:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2021-11-19 13:24:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2021-11-19 13:24:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2021-11-19 13:24:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2021-11-19 13:24:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2021-11-19 13:24:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 13:24:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 13:24:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2021-11-19 13:24:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2021-11-19 13:24:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2021-11-19 13:24:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2021-11-19 13:24:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2021-11-19 13:24:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2021-11-19 13:24:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2021-11-19 13:24:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2021-11-19 13:24:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:24:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:24:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:24:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:24:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2021-11-19 13:24:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2021-11-19 13:24:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2021-11-19 13:24:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2021-11-19 13:24:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:24:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:24:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-19 13:24:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-19 13:24:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:24:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:24:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:24:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:24:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 13:24:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 13:24:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2021-11-19 13:24:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2021-11-19 13:24:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2021-11-19 13:24:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2021-11-19 13:24:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:24:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:24:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2021-11-19 13:24:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2021-11-19 13:24:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-19 13:24:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-19 13:24:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 13:24:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 13:24:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:24:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:24:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2021-11-19 13:24:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2021-11-19 13:24:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:24:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:24:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:24:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:24:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 13:24:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 13:24:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2021-11-19 13:24:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2021-11-19 13:24:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2021-11-19 13:24:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2021-11-19 13:24:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:24:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:24:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 13:24:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 13:24:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2021-11-19 13:24:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2021-11-19 13:24:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2021-11-19 13:24:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2021-11-19 13:24:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-19 13:24:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-19 13:24:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2021-11-19 13:24:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2021-11-19 13:24:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:24:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:24:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:24:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 13:24:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 13:24:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:24:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:24:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:24:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:24:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:24:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-11-19 13:24:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-11-19 13:24:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:24:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2021-11-19 13:24:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2021-11-19 13:24:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:24:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:24:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:24:34,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:24:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:24:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 13:24:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 13:24:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 13:24:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 13:24:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 13:24:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 13:24:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2021-11-19 13:24:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2021-11-19 13:24:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 13:24:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 13:24:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2021-11-19 13:24:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2021-11-19 13:24:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 13:24:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 13:24:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 13:24:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 13:24:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2021-11-19 13:24:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2021-11-19 13:24:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2021-11-19 13:24:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2021-11-19 13:24:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:24:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2021-11-19 13:24:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2021-11-19 13:24:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2021-11-19 13:24:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2021-11-19 13:24:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-19 13:24:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-19 13:24:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:24:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:24:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2021-11-19 13:24:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2021-11-19 13:24:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:24:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:24:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:24:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:24:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:24:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:24:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:24:34,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:24:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-11-19 13:24:34,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-11-19 13:24:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:24:34,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:24:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2021-11-19 13:24:34,418 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2021-11-19 13:24:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2021-11-19 13:24:34,418 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2021-11-19 13:24:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2021-11-19 13:24:34,419 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2021-11-19 13:24:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:24:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:24:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2021-11-19 13:24:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2021-11-19 13:24:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2021-11-19 13:24:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2021-11-19 13:24:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:24:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:24:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2021-11-19 13:24:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2021-11-19 13:24:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2021-11-19 13:24:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2021-11-19 13:24:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2021-11-19 13:24:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2021-11-19 13:24:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:24:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:24:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:24:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2021-11-19 13:24:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2021-11-19 13:24:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-11-19 13:24:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-11-19 13:24:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:24:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-19 13:24:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-19 13:24:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:24:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:24:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:24:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2021-11-19 13:24:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2021-11-19 13:24:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:24:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:24:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 13:24:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 13:24:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2021-11-19 13:24:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2021-11-19 13:24:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2021-11-19 13:24:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2021-11-19 13:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2021-11-19 13:24:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2021-11-19 13:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2021-11-19 13:24:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2021-11-19 13:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:24:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-19 13:24:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-19 13:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2021-11-19 13:24:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2021-11-19 13:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2021-11-19 13:24:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2021-11-19 13:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 13:24:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 13:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:24:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:24:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2021-11-19 13:24:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2021-11-19 13:24:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:24:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:24:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2021-11-19 13:24:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2021-11-19 13:24:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:24:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2021-11-19 13:24:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2021-11-19 13:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-19 13:24:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-19 13:24:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:24:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:24:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2021-11-19 13:24:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2021-11-19 13:24:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2021-11-19 13:24:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2021-11-19 13:24:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2021-11-19 13:24:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2021-11-19 13:24:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2021-11-19 13:24:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2021-11-19 13:24:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 13:24:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 13:24:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 13:24:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 13:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2021-11-19 13:24:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2021-11-19 13:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2021-11-19 13:24:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2021-11-19 13:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:24:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2021-11-19 13:24:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2021-11-19 13:24:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2021-11-19 13:24:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2021-11-19 13:24:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-19 13:24:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-19 13:24:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 13:24:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 13:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-19 13:24:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-19 13:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:24:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-11-19 13:24:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-11-19 13:24:35,650 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:24:35,655 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:24:41,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:24:59,267 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1244#1.base, #t~mem1244#1.offset := read~$Pointer$(~sc#1.base, ~bvadd64(141bv64, ~sc#1.offset), 8bv64); [2021-11-19 13:24:59,268 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895: SUMMARY for call lmc_trace(#t~mem1244#1.base, #t~mem1244#1.offset, 129bv64, 0bv64); srcloc: null [2021-11-19 13:24:59,268 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895-1: havoc #t~mem1244#1.base, #t~mem1244#1.offset; [2021-11-19 13:25:38,098 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:25:38,204 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:25:38,235 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:25:38,235 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 13:25:38,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:25:38 BoogieIcfgContainer [2021-11-19 13:25:38,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:25:38,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:25:38,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:25:38,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:25:38,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:24:26" (1/3) ... [2021-11-19 13:25:38,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9bf9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:25:38, skipping insertion in model container [2021-11-19 13:25:38,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:24:33" (2/3) ... [2021-11-19 13:25:38,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9bf9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:25:38, skipping insertion in model container [2021-11-19 13:25:38,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:25:38" (3/3) ... [2021-11-19 13:25:38,254 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-19 13:25:38,262 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:25:38,262 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:25:38,356 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:25:38,364 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 [2021-11-19 13:25:38,365 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:25:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 2527 states, 1630 states have (on average 1.2914110429447854) internal successors, (2105), 1698 states have internal predecessors, (2105), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) [2021-11-19 13:25:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-19 13:25:38,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:25:38,519 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:25:38,519 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:25:38,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:25:38,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1696066559, now seen corresponding path program 1 times [2021-11-19 13:25:38,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:25:38,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482544640] [2021-11-19 13:25:38,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:25:38,550 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:25:38,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:25:38,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:25:38,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:25:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:25:40,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:25:40,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:25:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-19 13:25:41,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:25:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-19 13:25:42,701 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:25:42,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482544640] [2021-11-19 13:25:42,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482544640] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:25:42,710 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:25:42,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:25:42,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813181623] [2021-11-19 13:25:42,717 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:25:42,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:25:42,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:25:42,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:25:42,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:25:42,794 INFO L87 Difference]: Start difference. First operand has 2527 states, 1630 states have (on average 1.2914110429447854) internal successors, (2105), 1698 states have internal predecessors, (2105), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 13:25:45,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:25:59,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:25:59,449 INFO L93 Difference]: Finished difference Result 9515 states and 13870 transitions. [2021-11-19 13:25:59,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:25:59,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 215 [2021-11-19 13:25:59,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:25:59,571 INFO L225 Difference]: With dead ends: 9515 [2021-11-19 13:25:59,572 INFO L226 Difference]: Without dead ends: 6924 [2021-11-19 13:25:59,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:25:59,615 INFO L933 BasicCegarLoop]: 5111 mSDtfsCounter, 6609 mSDsluCounter, 6424 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6609 SdHoareTripleChecker+Valid, 11535 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:25:59,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6609 Valid, 11535 Invalid, 1577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [50 Valid, 1526 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2021-11-19 13:25:59,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6924 states. [2021-11-19 13:26:00,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6924 to 6918. [2021-11-19 13:26:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6918 states, 4502 states have (on average 1.2952021323856064) internal successors, (5831), 4697 states have internal predecessors, (5831), 2078 states have call successors, (2078), 337 states have call predecessors, (2078), 337 states have return successors, (2078), 1949 states have call predecessors, (2078), 2078 states have call successors, (2078) [2021-11-19 13:26:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6918 states to 6918 states and 9987 transitions. [2021-11-19 13:26:00,395 INFO L78 Accepts]: Start accepts. Automaton has 6918 states and 9987 transitions. Word has length 215 [2021-11-19 13:26:00,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:00,397 INFO L470 AbstractCegarLoop]: Abstraction has 6918 states and 9987 transitions. [2021-11-19 13:26:00,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 13:26:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 6918 states and 9987 transitions. [2021-11-19 13:26:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-19 13:26:00,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:00,433 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:26:00,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:26:00,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:26:00,655 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:26:00,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:00,656 INFO L85 PathProgramCache]: Analyzing trace with hash 831434898, now seen corresponding path program 1 times [2021-11-19 13:26:00,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:26:00,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923755765] [2021-11-19 13:26:00,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:00,659 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:26:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:26:00,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:26:00,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:26:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:02,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1711 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:26:02,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:26:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2021-11-19 13:26:03,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:26:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2021-11-19 13:26:04,733 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:26:04,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923755765] [2021-11-19 13:26:04,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923755765] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:04,734 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:04,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:26:04,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834028822] [2021-11-19 13:26:04,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:04,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:26:04,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:26:04,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:26:04,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:26:04,744 INFO L87 Difference]: Start difference. First operand 6918 states and 9987 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 13:26:06,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:26:08,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:08,042 INFO L93 Difference]: Finished difference Result 19465 states and 28064 transitions. [2021-11-19 13:26:08,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:26:08,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 278 [2021-11-19 13:26:08,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:08,372 INFO L225 Difference]: With dead ends: 19465 [2021-11-19 13:26:08,372 INFO L226 Difference]: Without dead ends: 12582 [2021-11-19 13:26:08,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 553 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:26:08,450 INFO L933 BasicCegarLoop]: 4227 mSDtfsCounter, 2936 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 7751 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:08,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2936 Valid, 7751 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 13:26:08,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12582 states. [2021-11-19 13:26:09,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12582 to 12564. [2021-11-19 13:26:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12564 states, 8216 states have (on average 1.294790652385589) internal successors, (10638), 8582 states have internal predecessors, (10638), 3703 states have call successors, (3703), 644 states have call predecessors, (3703), 644 states have return successors, (3754), 3447 states have call predecessors, (3754), 3703 states have call successors, (3754) [2021-11-19 13:26:09,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12564 states to 12564 states and 18095 transitions. [2021-11-19 13:26:09,622 INFO L78 Accepts]: Start accepts. Automaton has 12564 states and 18095 transitions. Word has length 278 [2021-11-19 13:26:09,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:09,623 INFO L470 AbstractCegarLoop]: Abstraction has 12564 states and 18095 transitions. [2021-11-19 13:26:09,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 13:26:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 12564 states and 18095 transitions. [2021-11-19 13:26:09,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-19 13:26:09,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:09,666 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:26:09,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:26:09,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:26:09,882 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:26:09,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:09,883 INFO L85 PathProgramCache]: Analyzing trace with hash 632847620, now seen corresponding path program 1 times [2021-11-19 13:26:09,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:26:09,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815920831] [2021-11-19 13:26:09,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:09,886 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:26:09,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:26:09,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:26:09,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:26:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:11,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:26:11,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:26:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2021-11-19 13:26:12,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:26:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-11-19 13:26:13,786 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:26:13,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815920831] [2021-11-19 13:26:13,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815920831] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:13,787 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:13,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:26:13,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563438289] [2021-11-19 13:26:13,788 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:13,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:26:13,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:26:13,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:26:13,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:26:13,791 INFO L87 Difference]: Start difference. First operand 12564 states and 18095 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2021-11-19 13:26:16,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:26:27,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:27,870 INFO L93 Difference]: Finished difference Result 47883 states and 69058 transitions. [2021-11-19 13:26:27,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:26:27,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 293 [2021-11-19 13:26:27,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:28,335 INFO L225 Difference]: With dead ends: 47883 [2021-11-19 13:26:28,336 INFO L226 Difference]: Without dead ends: 35354 [2021-11-19 13:26:28,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:26:28,468 INFO L933 BasicCegarLoop]: 5012 mSDtfsCounter, 6548 mSDsluCounter, 8142 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6548 SdHoareTripleChecker+Valid, 13154 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:28,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6548 Valid, 13154 Invalid, 1457 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 1440 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2021-11-19 13:26:28,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35354 states. [2021-11-19 13:26:31,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35354 to 35326. [2021-11-19 13:26:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35326 states, 22890 states have (on average 1.292267365661861) internal successors, (29580), 23964 states have internal predecessors, (29580), 10563 states have call successors, (10563), 1872 states have call predecessors, (10563), 1872 states have return successors, (10814), 9771 states have call predecessors, (10814), 10563 states have call successors, (10814) [2021-11-19 13:26:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35326 states to 35326 states and 50957 transitions. [2021-11-19 13:26:32,316 INFO L78 Accepts]: Start accepts. Automaton has 35326 states and 50957 transitions. Word has length 293 [2021-11-19 13:26:32,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:32,318 INFO L470 AbstractCegarLoop]: Abstraction has 35326 states and 50957 transitions. [2021-11-19 13:26:32,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2021-11-19 13:26:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 35326 states and 50957 transitions. [2021-11-19 13:26:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-19 13:26:32,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:32,371 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 5, 5, 5, 3, 3, 3, 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] [2021-11-19 13:26:32,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:26:32,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:26:32,594 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:26:32,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:32,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1072293341, now seen corresponding path program 1 times [2021-11-19 13:26:32,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:26:32,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367797786] [2021-11-19 13:26:32,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:32,598 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:26:32,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:26:32,603 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:26:32,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:26:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:34,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 1725 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:26:34,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:26:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2021-11-19 13:26:35,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:26:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-19 13:26:36,664 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:26:36,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367797786] [2021-11-19 13:26:36,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367797786] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:36,664 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:36,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:26:36,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104477020] [2021-11-19 13:26:36,665 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:36,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:26:36,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:26:36,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:26:36,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:26:36,667 INFO L87 Difference]: Start difference. First operand 35326 states and 50957 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, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-19 13:26:38,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:26:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:26:51,644 INFO L93 Difference]: Finished difference Result 104329 states and 150568 transitions. [2021-11-19 13:26:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:26:51,645 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, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) Word has length 299 [2021-11-19 13:26:51,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:26:52,306 INFO L225 Difference]: With dead ends: 104329 [2021-11-19 13:26:52,307 INFO L226 Difference]: Without dead ends: 69038 [2021-11-19 13:26:52,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 594 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:26:52,527 INFO L933 BasicCegarLoop]: 7391 mSDtfsCounter, 6696 mSDsluCounter, 5871 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6696 SdHoareTripleChecker+Valid, 13262 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:26:52,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6696 Valid, 13262 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1583 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2021-11-19 13:26:52,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69038 states. [2021-11-19 13:26:57,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69038 to 69022. [2021-11-19 13:26:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69022 states, 44652 states have (on average 1.292327331362537) internal successors, (57705), 46782 states have internal predecessors, (57705), 20694 states have call successors, (20694), 3675 states have call predecessors, (20694), 3675 states have return successors, (21152), 19113 states have call predecessors, (21152), 20694 states have call successors, (21152) [2021-11-19 13:26:58,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69022 states to 69022 states and 99551 transitions. [2021-11-19 13:26:58,346 INFO L78 Accepts]: Start accepts. Automaton has 69022 states and 99551 transitions. Word has length 299 [2021-11-19 13:26:58,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:26:58,347 INFO L470 AbstractCegarLoop]: Abstraction has 69022 states and 99551 transitions. [2021-11-19 13:26:58,347 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-19 13:26:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 69022 states and 99551 transitions. [2021-11-19 13:26:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-19 13:26:58,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:58,394 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 12, 12, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:26:58,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:26:58,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:26:58,618 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:26:58,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:58,619 INFO L85 PathProgramCache]: Analyzing trace with hash 292620657, now seen corresponding path program 1 times [2021-11-19 13:26:58,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:26:58,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675561565] [2021-11-19 13:26:58,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:58,623 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:26:58,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:26:58,625 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:26:58,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:27:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:00,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 2091 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:27:00,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:27:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2021-11-19 13:27:02,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:27:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2021-11-19 13:27:03,641 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:27:03,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675561565] [2021-11-19 13:27:03,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675561565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:03,642 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:03,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:27:03,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880717413] [2021-11-19 13:27:03,642 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:03,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:27:03,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:27:03,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:27:03,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:27:03,646 INFO L87 Difference]: Start difference. First operand 69022 states and 99551 transitions. Second operand has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 4 states have call successors, (83), 3 states have call predecessors, (83), 3 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2021-11-19 13:27:05,801 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 [] [2021-11-19 13:27:26,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:26,787 INFO L93 Difference]: Finished difference Result 266271 states and 383678 transitions. [2021-11-19 13:27:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:27:26,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 4 states have call successors, (83), 3 states have call predecessors, (83), 3 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) Word has length 398 [2021-11-19 13:27:26,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:29,058 INFO L225 Difference]: With dead ends: 266271 [2021-11-19 13:27:29,058 INFO L226 Difference]: Without dead ends: 197284 [2021-11-19 13:27:29,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 792 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:27:29,990 INFO L933 BasicCegarLoop]: 5819 mSDtfsCounter, 8840 mSDsluCounter, 5415 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 1450 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8840 SdHoareTripleChecker+Valid, 11234 SdHoareTripleChecker+Invalid, 2883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1450 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:29,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8840 Valid, 11234 Invalid, 2883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1450 Valid, 1432 Invalid, 1 Unknown, 0 Unchecked, 14.1s Time] [2021-11-19 13:27:30,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197284 states. [2021-11-19 13:27:41,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197284 to 196986. [2021-11-19 13:27:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196986 states, 127340 states have (on average 1.2936783414480917) internal successors, (164737), 133504 states have internal predecessors, (164737), 58908 states have call successors, (58908), 10685 states have call predecessors, (58908), 10737 states have return successors, (60128), 54291 states have call predecessors, (60128), 58908 states have call successors, (60128) [2021-11-19 13:27:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196986 states to 196986 states and 283773 transitions. [2021-11-19 13:27:44,615 INFO L78 Accepts]: Start accepts. Automaton has 196986 states and 283773 transitions. Word has length 398 [2021-11-19 13:27:44,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:44,617 INFO L470 AbstractCegarLoop]: Abstraction has 196986 states and 283773 transitions. [2021-11-19 13:27:44,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 4 states have call successors, (83), 3 states have call predecessors, (83), 3 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2021-11-19 13:27:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 196986 states and 283773 transitions. [2021-11-19 13:27:44,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-19 13:27:44,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:44,732 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 12, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:27:44,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:27:44,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:27:44,947 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:27:44,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:44,947 INFO L85 PathProgramCache]: Analyzing trace with hash 386785622, now seen corresponding path program 1 times [2021-11-19 13:27:44,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:27:44,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270933326] [2021-11-19 13:27:44,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:44,951 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:27:44,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:27:44,953 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:27:44,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d43efb-bcc2-480b-aa7b-a15b2a3628c7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:27:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:46,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 2132 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:27:46,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:27:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 1164 trivial. 0 not checked. [2021-11-19 13:27:48,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:27:50,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2021-11-19 13:27:50,784 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:27:50,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270933326] [2021-11-19 13:27:50,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270933326] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:50,784 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:50,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:27:50,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425896700] [2021-11-19 13:27:50,785 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:50,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:27:50,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:27:50,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:27:50,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:27:50,787 INFO L87 Difference]: Start difference. First operand 196986 states and 283773 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 4 states have internal predecessors, (262), 4 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2021-11-19 13:27:52,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []