./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed05c854ea2052ceef0a8616d174bb96c75960b07bf25a2959b9efa433484633 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:51:13,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:51:13,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:51:13,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:51:13,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:51:14,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:51:14,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:51:14,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:51:14,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:51:14,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:51:14,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:51:14,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:51:14,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:51:14,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:51:14,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:51:14,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:51:14,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:51:14,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:51:14,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:51:14,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:51:14,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:51:14,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:51:14,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:51:14,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:51:14,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:51:14,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:51:14,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:51:14,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:51:14,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:51:14,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:51:14,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:51:14,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:51:14,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:51:14,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:51:14,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:51:14,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:51:14,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:51:14,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:51:14,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:51:14,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:51:14,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:51:14,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:51:14,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:51:14,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:51:14,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:51:14,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:51:14,138 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:51:14,138 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:51:14,138 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:51:14,139 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:51:14,139 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:51:14,139 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:51:14,140 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:51:14,141 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:51:14,141 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:51:14,141 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:51:14,141 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:51:14,142 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:51:14,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:51:14,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:51:14,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:51:14,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:51:14,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:51:14,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:51:14,144 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:51:14,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:51:14,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:51:14,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:51:14,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:51:14,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:51:14,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:51:14,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:51:14,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:51:14,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:51:14,148 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:51:14,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:51:14,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:51:14,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:51:14,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:51:14,149 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_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed05c854ea2052ceef0a8616d174bb96c75960b07bf25a2959b9efa433484633 [2021-11-12 22:51:14,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:51:14,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:51:14,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:51:14,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:51:14,458 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:51:14,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-12 22:51:14,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data/4fd60f596/5da65f325b6a420a8d9dc8b994114a86/FLAGfc6b5cf1b [2021-11-12 22:51:15,699 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:51:15,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-12 22:51:15,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data/4fd60f596/5da65f325b6a420a8d9dc8b994114a86/FLAGfc6b5cf1b [2021-11-12 22:51:15,838 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data/4fd60f596/5da65f325b6a420a8d9dc8b994114a86 [2021-11-12 22:51:15,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:51:15,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:51:15,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:51:15,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:51:15,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:51:15,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:51:15" (1/1) ... [2021-11-12 22:51:15,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3318ba13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:15, skipping insertion in model container [2021-11-12 22:51:15,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:51:15" (1/1) ... [2021-11-12 22:51:15,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:51:16,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:51:20,373 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:51:20,916 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:51:20,917 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:51:20,946 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:51:21,645 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:51:22,025 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:51:22,026 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:51:22,030 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:51:22,031 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:51:22,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[593537,593550] [2021-11-12 22:51:22,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:51:22,951 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:51:22,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b26b724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:22, skipping insertion in model container [2021-11-12 22:51:22,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:51:22,952 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:51:22,954 INFO L158 Benchmark]: Toolchain (without parser) took 7107.97ms. Allocated memory was 111.1MB in the beginning and 245.4MB in the end (delta: 134.2MB). Free memory was 73.8MB in the beginning and 161.0MB in the end (delta: -87.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2021-11-12 22:51:22,954 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:51:22,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7105.66ms. Allocated memory was 111.1MB in the beginning and 245.4MB in the end (delta: 134.2MB). Free memory was 73.8MB in the beginning and 161.0MB in the end (delta: -87.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2021-11-12 22:51:22,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7105.66ms. Allocated memory was 111.1MB in the beginning and 245.4MB in the end (delta: 134.2MB). Free memory was 73.8MB in the beginning and 161.0MB in the end (delta: -87.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8044]: 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_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed05c854ea2052ceef0a8616d174bb96c75960b07bf25a2959b9efa433484633 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:51:25,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:51:25,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:51:25,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:51:25,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:51:25,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:51:25,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:51:25,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:51:25,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:51:25,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:51:25,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:51:25,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:51:25,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:51:25,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:51:25,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:51:25,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:51:25,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:51:25,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:51:25,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:51:25,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:51:25,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:51:25,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:51:25,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:51:25,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:51:25,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:51:25,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:51:25,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:51:25,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:51:25,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:51:25,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:51:25,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:51:25,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:51:25,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:51:25,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:51:25,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:51:25,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:51:25,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:51:25,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:51:25,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:51:25,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:51:25,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:51:25,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:51:25,384 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:51:25,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:51:25,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:51:25,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:51:25,388 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:51:25,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:51:25,389 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:51:25,389 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:51:25,389 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:51:25,390 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:51:25,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:51:25,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:51:25,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:51:25,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:51:25,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:51:25,393 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:51:25,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:51:25,394 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:51:25,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:51:25,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:51:25,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:51:25,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:51:25,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:51:25,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:51:25,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:51:25,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:51:25,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:51:25,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:51:25,396 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:51:25,397 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:51:25,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:51:25,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:51:25,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:51:25,398 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_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed05c854ea2052ceef0a8616d174bb96c75960b07bf25a2959b9efa433484633 [2021-11-12 22:51:25,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:51:25,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:51:25,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:51:25,774 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:51:25,775 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:51:25,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-12 22:51:25,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data/4a43aa331/aac89ce8fccc48f19426373e55758c1d/FLAG2302423cf [2021-11-12 22:51:27,167 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:51:27,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-12 22:51:27,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data/4a43aa331/aac89ce8fccc48f19426373e55758c1d/FLAG2302423cf [2021-11-12 22:51:27,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/data/4a43aa331/aac89ce8fccc48f19426373e55758c1d [2021-11-12 22:51:27,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:51:27,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:51:27,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:51:27,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:51:27,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:51:27,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:51:27" (1/1) ... [2021-11-12 22:51:27,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ecdae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:27, skipping insertion in model container [2021-11-12 22:51:27,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:51:27" (1/1) ... [2021-11-12 22:51:27,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:51:27,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:51:34,798 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[593537,593550] [2021-11-12 22:51:35,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:51:35,228 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:51:35,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:51:36,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[593537,593550] [2021-11-12 22:51:36,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:51:36,072 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:51:36,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[593537,593550] [2021-11-12 22:51:36,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:51:37,496 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:51:37,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37 WrapperNode [2021-11-12 22:51:37,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:51:37,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:51:37,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:51:37,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:51:37,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:37,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:38,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:51:38,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:51:38,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:51:38,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:51:38,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:38,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:38,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:38,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:38,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:38,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:38,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:38,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:51:38,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:51:38,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:51:38,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:51:38,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:38,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:51:38,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:51:38,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:51:39,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:51:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 22:51:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 22:51:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-12 22:51:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-12 22:51:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-12 22:51:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 22:51:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 22:51:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 22:51:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 22:51:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-12 22:51:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-12 22:51:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-12 22:51:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-12 22:51:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-12 22:51:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-12 22:51:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-12 22:51:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-12 22:51:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:51:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:51:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-12 22:51:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-12 22:51:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-12 22:51:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-12 22:51:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-12 22:51:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-12 22:51:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-12 22:51:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-12 22:51:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 22:51:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 22:51:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-12 22:51:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-12 22:51:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2021-11-12 22:51:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2021-11-12 22:51:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-12 22:51:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-12 22:51:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-12 22:51:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-12 22:51:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2021-11-12 22:51:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2021-11-12 22:51:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-12 22:51:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-12 22:51:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-12 22:51:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-12 22:51:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 22:51:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 22:51:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-12 22:51:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-12 22:51:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 22:51:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 22:51:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-12 22:51:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-12 22:51:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-11-12 22:51:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-11-12 22:51:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 22:51:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 22:51:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-12 22:51:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-12 22:51:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-12 22:51:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-12 22:51:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-12 22:51:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-12 22:51:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-12 22:51:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-12 22:51:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-12 22:51:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-12 22:51:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-12 22:51:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-12 22:51:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 22:51:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 22:51:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-12 22:51:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-12 22:51:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 22:51:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 22:51:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 22:51:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 22:51:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-12 22:51:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-12 22:51:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 22:51:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 22:51:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-12 22:51:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-12 22:51:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-12 22:51:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-12 22:51:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 22:51:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 22:51:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 22:51:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 22:51:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:51:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-12 22:51:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-12 22:51:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-12 22:51:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-12 22:51:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-12 22:51:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-12 22:51:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-12 22:51:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-12 22:51:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:51:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:51:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-12 22:51:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-12 22:51:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:51:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-12 22:51:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-12 22:51:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-12 22:51:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-12 22:51:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-12 22:51:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-12 22:51:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-12 22:51:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-12 22:51:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-12 22:51:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-12 22:51:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-12 22:51:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-12 22:51:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 22:51:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 22:51:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-12 22:51:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-12 22:51:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 22:51:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 22:51:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-12 22:51:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-12 22:51:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-12 22:51:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-12 22:51:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-12 22:51:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-12 22:51:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-12 22:51:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-12 22:51:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 22:51:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 22:51:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 22:51:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 22:51:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-12 22:51:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-12 22:51:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2021-11-12 22:51:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2021-11-12 22:51:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-12 22:51:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-12 22:51:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-12 22:51:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-12 22:51:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-12 22:51:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-12 22:51:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-12 22:51:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-12 22:51:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 22:51:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 22:51:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 22:51:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 22:51:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-12 22:51:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-12 22:51:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-12 22:51:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-12 22:51:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2021-11-12 22:51:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2021-11-12 22:51:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 22:51:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 22:51:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-12 22:51:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-12 22:51:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-12 22:51:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-12 22:51:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-12 22:51:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-12 22:51:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-12 22:51:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-12 22:51:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-12 22:51:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-12 22:51:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-12 22:51:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-12 22:51:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-12 22:51:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-12 22:51:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-12 22:51:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-12 22:51:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 22:51:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 22:51:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 22:51:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 22:51:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-12 22:51:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-12 22:51:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-12 22:51:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-12 22:51:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2021-11-12 22:51:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2021-11-12 22:51:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-12 22:51:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-12 22:51:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-12 22:51:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-12 22:51:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:51:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-12 22:51:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-12 22:51:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-12 22:51:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-12 22:51:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-12 22:51:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-12 22:51:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-12 22:51:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-12 22:51:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-11-12 22:51:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-11-12 22:51:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 22:51:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 22:51:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:51:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 22:51:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:51:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:51:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:51:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-12 22:51:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-12 22:51:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-12 22:51:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-12 22:51:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-12 22:51:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-12 22:51:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-11-12 22:51:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-11-12 22:51:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2021-11-12 22:51:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2021-11-12 22:51:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 22:51:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 22:51:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-12 22:51:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-12 22:51:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 22:51:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 22:51:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-12 22:51:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-12 22:51:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-12 22:51:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-12 22:51:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-12 22:51:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-12 22:51:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-12 22:51:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-12 22:51:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-12 22:51:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-12 22:51:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-12 22:51:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-12 22:51:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 22:51:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 22:51:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-12 22:51:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-12 22:51:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-12 22:51:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-12 22:51:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-12 22:51:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-12 22:51:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-12 22:51:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-12 22:51:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-12 22:51:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-12 22:51:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 22:51:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 22:51:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 22:51:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 22:51:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-11-12 22:51:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-11-12 22:51:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:51:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2021-11-12 22:51:39,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2021-11-12 22:51:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-11-12 22:51:39,129 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-11-12 22:51:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:51:39,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:51:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-12 22:51:39,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-12 22:51:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-12 22:51:39,130 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-12 22:51:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-12 22:51:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-12 22:51:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:51:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-12 22:51:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-12 22:51:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 22:51:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 22:51:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:51:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-12 22:51:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-12 22:51:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:51:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:51:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:51:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:51:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:51:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:51:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-12 22:51:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-12 22:51:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-12 22:51:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-12 22:51:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-12 22:51:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-12 22:51:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-12 22:51:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-12 22:51:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-12 22:51:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-12 22:51:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 22:51:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 22:51:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-12 22:51:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-12 22:51:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2021-11-12 22:51:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2021-11-12 22:51:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-12 22:51:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-12 22:51:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-12 22:51:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-12 22:51:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-12 22:51:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 22:51:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 22:51:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-12 22:51:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-12 22:51:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-12 22:51:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-12 22:51:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-12 22:51:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-12 22:51:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-12 22:51:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-12 22:51:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-12 22:51:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-12 22:51:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-11-12 22:51:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-11-12 22:51:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 22:51:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 22:51:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-12 22:51:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-12 22:51:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-12 22:51:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-12 22:51:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 22:51:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 22:51:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-12 22:51:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-12 22:51:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-12 22:51:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-12 22:51:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 22:51:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 22:51:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 22:51:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 22:51:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-12 22:51:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-12 22:51:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-12 22:51:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-12 22:51:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 22:51:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 22:51:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-12 22:51:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-12 22:51:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-12 22:51:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-12 22:51:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-12 22:51:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-12 22:51:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-12 22:51:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-12 22:51:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-12 22:51:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-12 22:51:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-12 22:51:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-12 22:51:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-12 22:51:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-12 22:51:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 22:51:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 22:51:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-12 22:51:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-12 22:51:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-11-12 22:51:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-11-12 22:51:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:51:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 22:51:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 22:51:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-12 22:51:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-12 22:51:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-12 22:51:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-12 22:51:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-12 22:51:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-12 22:51:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 22:51:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 22:51:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-11-12 22:51:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-11-12 22:51:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-12 22:51:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-12 22:51:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2021-11-12 22:51:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2021-11-12 22:51:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:51:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-12 22:51:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-12 22:51:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-12 22:51:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-12 22:51:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-12 22:51:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-12 22:51:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-12 22:51:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-12 22:51:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-12 22:51:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-12 22:51:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:51:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:51:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:51:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:51:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:51:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2021-11-12 22:51:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2021-11-12 22:51:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-12 22:51:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-12 22:51:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-12 22:51:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-12 22:51:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-12 22:51:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-12 22:51:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 22:51:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 22:51:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-12 22:51:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-12 22:51:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 22:51:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 22:51:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-12 22:51:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-12 22:51:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-12 22:51:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-12 22:51:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-12 22:51:39,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-12 22:51:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-12 22:51:39,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-12 22:51:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-12 22:51:39,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-12 22:51:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-12 22:51:39,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-12 22:51:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-12 22:51:39,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-12 22:51:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 22:51:39,156 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 22:51:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 22:51:39,156 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 22:51:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-12 22:51:39,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-12 22:51:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-12 22:51:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-12 22:51:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-12 22:51:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-12 22:51:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-12 22:51:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-12 22:51:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:51:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:51:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 22:51:39,158 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 22:51:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-12 22:51:39,158 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-12 22:51:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-12 22:51:39,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-12 22:51:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 22:51:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 22:51:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-12 22:51:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-12 22:51:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-11-12 22:51:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-11-12 22:51:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-12 22:51:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-12 22:51:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:51:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:51:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:51:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:51:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-12 22:51:39,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-12 22:51:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:51:39,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:51:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-11-12 22:51:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-11-12 22:51:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-11-12 22:51:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-11-12 22:51:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-12 22:51:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-12 22:51:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-12 22:51:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-12 22:51:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 22:51:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 22:51:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-12 22:51:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-12 22:51:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-12 22:51:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-12 22:51:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-12 22:51:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-12 22:51:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-12 22:51:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-12 22:51:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-12 22:51:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-12 22:51:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 22:51:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 22:51:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-12 22:51:39,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-12 22:51:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-12 22:51:39,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-12 22:51:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-12 22:51:39,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-12 22:51:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-12 22:51:39,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-12 22:51:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-12 22:51:39,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-12 22:51:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-12 22:51:39,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-12 22:51:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 22:51:39,165 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 22:51:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2021-11-12 22:51:39,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2021-11-12 22:51:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-12 22:51:39,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-12 22:51:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-11-12 22:51:39,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-11-12 22:51:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2021-11-12 22:51:39,166 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2021-11-12 22:51:39,167 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-12 22:51:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-12 22:51:39,167 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-12 22:51:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-12 22:51:39,167 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-12 22:51:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-12 22:51:39,167 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-12 22:51:39,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-12 22:51:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-12 22:51:39,168 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-12 22:51:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-12 22:51:39,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-12 22:51:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-12 22:51:39,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-12 22:51:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-12 22:51:39,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-12 22:51:39,169 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-12 22:51:39,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-12 22:51:39,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 22:51:39,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 22:51:39,169 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 22:51:39,169 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 22:51:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-12 22:51:39,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-12 22:51:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2021-11-12 22:51:39,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2021-11-12 22:51:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-12 22:51:39,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-12 22:51:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-12 22:51:39,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-12 22:51:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-12 22:51:39,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-12 22:51:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-12 22:51:39,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-12 22:51:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-12 22:51:39,171 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-12 22:51:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-12 22:51:39,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-12 22:51:41,055 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:56:02,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:56:02,027 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:56:02,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:56:02 BoogieIcfgContainer [2021-11-12 22:56:02,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:56:02,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:56:02,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:56:02,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:56:02,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:51:27" (1/3) ... [2021-11-12 22:56:02,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c39e439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:56:02, skipping insertion in model container [2021-11-12 22:56:02,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37" (2/3) ... [2021-11-12 22:56:02,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c39e439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:56:02, skipping insertion in model container [2021-11-12 22:56:02,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:56:02" (3/3) ... [2021-11-12 22:56:02,044 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-12 22:56:02,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:56:02,050 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:56:02,136 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:56:02,150 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:56:02,151 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:56:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 5302 states, 3758 states have (on average 1.3831825439063332) internal successors, (5198), 3849 states have internal predecessors, (5198), 1293 states have call successors, (1293), 250 states have call predecessors, (1293), 249 states have return successors, (1277), 1263 states have call predecessors, (1277), 1277 states have call successors, (1277) [2021-11-12 22:56:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-12 22:56:02,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:56:02,319 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:56:02,320 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:56:02,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:56:02,325 INFO L85 PathProgramCache]: Analyzing trace with hash 43951868, now seen corresponding path program 1 times [2021-11-12 22:56:02,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:56:02,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546568688] [2021-11-12 22:56:02,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:56:02,374 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:56:02,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:56:02,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:56:02,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:56:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:56:35,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 5819 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 22:56:35,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:56:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-12 22:56:37,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:56:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-11-12 22:56:38,911 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:56:38,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546568688] [2021-11-12 22:56:38,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546568688] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:56:38,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:56:38,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-12 22:56:38,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627543007] [2021-11-12 22:56:38,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:56:38,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 22:56:38,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:56:38,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 22:56:38,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:56:38,963 INFO L87 Difference]: Start difference. First operand has 5302 states, 3758 states have (on average 1.3831825439063332) internal successors, (5198), 3849 states have internal predecessors, (5198), 1293 states have call successors, (1293), 250 states have call predecessors, (1293), 249 states have return successors, (1277), 1263 states have call predecessors, (1277), 1277 states have call successors, (1277) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 22:56:39,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:56:39,392 INFO L93 Difference]: Finished difference Result 10599 states and 15705 transitions. [2021-11-12 22:56:39,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 22:56:39,396 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2021-11-12 22:56:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:56:39,479 INFO L225 Difference]: With dead ends: 10599 [2021-11-12 22:56:39,480 INFO L226 Difference]: Without dead ends: 5270 [2021-11-12 22:56:39,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:56:39,543 INFO L933 BasicCegarLoop]: 7759 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7759 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 22:56:39,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7759 Invalid, 0 Unknown, 0 Unchecked, 28.72ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 22:56:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5270 states. [2021-11-12 22:56:39,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5270 to 5270. [2021-11-12 22:56:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5270 states, 3744 states have (on average 1.3774038461538463) internal successors, (5157), 3817 states have internal predecessors, (5157), 1277 states have call successors, (1277), 249 states have call predecessors, (1277), 248 states have return successors, (1271), 1257 states have call predecessors, (1271), 1271 states have call successors, (1271) [2021-11-12 22:56:39,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5270 states to 5270 states and 7705 transitions. [2021-11-12 22:56:40,004 INFO L78 Accepts]: Start accepts. Automaton has 5270 states and 7705 transitions. Word has length 177 [2021-11-12 22:56:40,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:56:40,005 INFO L470 AbstractCegarLoop]: Abstraction has 5270 states and 7705 transitions. [2021-11-12 22:56:40,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 22:56:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 5270 states and 7705 transitions. [2021-11-12 22:56:40,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-12 22:56:40,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:56:40,016 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:56:40,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:56:40,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:56:40,239 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:56:40,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:56:40,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1987877194, now seen corresponding path program 1 times [2021-11-12 22:56:40,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:56:40,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533623325] [2021-11-12 22:56:40,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:56:40,266 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:56:40,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:56:40,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:56:40,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:57:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:57:11,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 5819 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 22:57:11,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:57:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-11-12 22:57:14,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:57:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2021-11-12 22:57:16,754 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:57:16,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533623325] [2021-11-12 22:57:16,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533623325] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:57:16,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:57:16,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-11-12 22:57:16,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149269545] [2021-11-12 22:57:16,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:57:16,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 22:57:16,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:57:16,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 22:57:16,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-12 22:57:16,758 INFO L87 Difference]: Start difference. First operand 5270 states and 7705 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-12 22:57:20,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:57:20,395 INFO L93 Difference]: Finished difference Result 10536 states and 15646 transitions. [2021-11-12 22:57:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:57:20,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 177 [2021-11-12 22:57:20,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:57:20,453 INFO L225 Difference]: With dead ends: 10536 [2021-11-12 22:57:20,453 INFO L226 Difference]: Without dead ends: 5273 [2021-11-12 22:57:20,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-12 22:57:20,495 INFO L933 BasicCegarLoop]: 7685 mSDtfsCounter, 6 mSDsluCounter, 30676 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2699.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 38361 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 103.88ms SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2800.99ms IncrementalHoareTripleChecker+Time [2021-11-12 22:57:20,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 38361 Invalid, 199 Unknown, 0 Unchecked, 103.88ms Time], IncrementalHoareTripleChecker [40 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 2800.99ms Time] [2021-11-12 22:57:20,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5273 states. [2021-11-12 22:57:20,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5273 to 5273. [2021-11-12 22:57:20,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5273 states, 3746 states have (on average 1.377469300587293) internal successors, (5160), 3820 states have internal predecessors, (5160), 1277 states have call successors, (1277), 249 states have call predecessors, (1277), 249 states have return successors, (1275), 1257 states have call predecessors, (1275), 1271 states have call successors, (1275) [2021-11-12 22:57:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5273 states to 5273 states and 7712 transitions. [2021-11-12 22:57:20,770 INFO L78 Accepts]: Start accepts. Automaton has 5273 states and 7712 transitions. Word has length 177 [2021-11-12 22:57:20,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:57:20,772 INFO L470 AbstractCegarLoop]: Abstraction has 5273 states and 7712 transitions. [2021-11-12 22:57:20,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-12 22:57:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 5273 states and 7712 transitions. [2021-11-12 22:57:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-12 22:57:20,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:57:20,780 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:57:20,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:57:20,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:57:20,995 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:57:20,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:57:20,996 INFO L85 PathProgramCache]: Analyzing trace with hash -78893110, now seen corresponding path program 1 times [2021-11-12 22:57:21,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:57:21,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162576224] [2021-11-12 22:57:21,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:57:21,017 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:57:21,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:57:21,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:57:21,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:57:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:57:52,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 5864 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 22:57:52,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:57:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-12 22:57:55,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:57:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-12 22:57:58,761 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:57:58,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162576224] [2021-11-12 22:57:58,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162576224] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:57:58,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2043957973] [2021-11-12 22:57:58,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:57:58,762 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:57:58,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:57:58,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:57:58,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-12 22:58:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:58:05,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 5864 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 22:58:05,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:58:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-12 22:58:10,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:58:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-12 22:58:12,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2043957973] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:58:12,472 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:58:12,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [7, 7] total 12 [2021-11-12 22:58:12,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75806386] [2021-11-12 22:58:12,473 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:58:12,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:58:12,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:58:12,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:58:12,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:58:12,475 INFO L87 Difference]: Start difference. First operand 5273 states and 7712 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 22:58:12,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:58:12,736 INFO L93 Difference]: Finished difference Result 5600 states and 8163 transitions. [2021-11-12 22:58:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:58:12,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 186 [2021-11-12 22:58:12,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:58:12,786 INFO L225 Difference]: With dead ends: 5600 [2021-11-12 22:58:12,786 INFO L226 Difference]: Without dead ends: 5594 [2021-11-12 22:58:12,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:58:12,792 INFO L933 BasicCegarLoop]: 7887 mSDtfsCounter, 7257 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7257 SdHoareTripleChecker+Valid, 8689 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.69ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.62ms IncrementalHoareTripleChecker+Time [2021-11-12 22:58:12,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7257 Valid, 8689 Invalid, 7 Unknown, 0 Unchecked, 21.69ms Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 79.62ms Time] [2021-11-12 22:58:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2021-11-12 22:58:13,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 5592. [2021-11-12 22:58:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5592 states, 3966 states have (on average 1.3774583963691376) internal successors, (5463), 4040 states have internal predecessors, (5463), 1346 states have call successors, (1346), 279 states have call predecessors, (1346), 279 states have return successors, (1346), 1327 states have call predecessors, (1346), 1342 states have call successors, (1346) [2021-11-12 22:58:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5592 states to 5592 states and 8155 transitions. [2021-11-12 22:58:13,112 INFO L78 Accepts]: Start accepts. Automaton has 5592 states and 8155 transitions. Word has length 186 [2021-11-12 22:58:13,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:58:13,117 INFO L470 AbstractCegarLoop]: Abstraction has 5592 states and 8155 transitions. [2021-11-12 22:58:13,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 22:58:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 5592 states and 8155 transitions. [2021-11-12 22:58:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-12 22:58:13,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:58:13,125 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:58:13,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-12 22:58:13,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:58:13,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:58:13,551 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:58:13,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:58:13,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1875789369, now seen corresponding path program 1 times [2021-11-12 22:58:13,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:58:13,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952232485] [2021-11-12 22:58:13,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:58:13,567 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:58:13,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:58:13,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:58:13,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:58:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:58:44,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 5816 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 22:58:44,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:58:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-12 22:58:47,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:58:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-12 22:58:50,712 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:58:50,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952232485] [2021-11-12 22:58:50,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952232485] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:58:50,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1908024775] [2021-11-12 22:58:50,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:58:50,713 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:58:50,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:58:50,718 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:58:50,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-12 22:58:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:58:57,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 5816 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:58:57,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:59:02,082 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-12 22:59:02,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:59:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-12 22:59:03,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1908024775] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:59:03,830 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:59:03,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [7, 7] total 12 [2021-11-12 22:59:03,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572725476] [2021-11-12 22:59:03,831 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:59:03,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:59:03,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:59:03,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:59:03,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:59:03,833 INFO L87 Difference]: Start difference. First operand 5592 states and 8155 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 22:59:04,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:59:04,061 INFO L93 Difference]: Finished difference Result 5594 states and 8156 transitions. [2021-11-12 22:59:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:59:04,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 187 [2021-11-12 22:59:04,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:59:04,110 INFO L225 Difference]: With dead ends: 5594 [2021-11-12 22:59:04,110 INFO L226 Difference]: Without dead ends: 5591 [2021-11-12 22:59:04,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 734 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:59:04,118 INFO L933 BasicCegarLoop]: 7698 mSDtfsCounter, 7613 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7613 SdHoareTripleChecker+Valid, 7698 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.41ms IncrementalHoareTripleChecker+Time [2021-11-12 22:59:04,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7613 Valid, 7698 Invalid, 1 Unknown, 0 Unchecked, 18.44ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 15.41ms Time] [2021-11-12 22:59:04,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5591 states. [2021-11-12 22:59:04,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5591 to 5591. [2021-11-12 22:59:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5591 states, 3966 states have (on average 1.3772062531517901) internal successors, (5462), 4039 states have internal predecessors, (5462), 1345 states have call successors, (1345), 279 states have call predecessors, (1345), 279 states have return successors, (1346), 1327 states have call predecessors, (1346), 1342 states have call successors, (1346) [2021-11-12 22:59:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5591 states to 5591 states and 8153 transitions. [2021-11-12 22:59:04,437 INFO L78 Accepts]: Start accepts. Automaton has 5591 states and 8153 transitions. Word has length 187 [2021-11-12 22:59:04,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:59:04,439 INFO L470 AbstractCegarLoop]: Abstraction has 5591 states and 8153 transitions. [2021-11-12 22:59:04,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 22:59:04,439 INFO L276 IsEmpty]: Start isEmpty. Operand 5591 states and 8153 transitions. [2021-11-12 22:59:04,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-12 22:59:04,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:59:04,446 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:59:04,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 22:59:04,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-12 22:59:04,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 22:59:04,870 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:59:04,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:59:04,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1982736420, now seen corresponding path program 1 times [2021-11-12 22:59:04,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:59:04,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702728109] [2021-11-12 22:59:04,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:59:04,884 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:59:04,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:59:04,885 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:59:04,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 22:59:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:59:36,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 5817 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 22:59:36,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:59:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-12 22:59:38,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:59:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-12 22:59:41,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:59:41,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702728109] [2021-11-12 22:59:41,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702728109] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:59:41,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1248010460] [2021-11-12 22:59:41,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:59:41,930 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:59:41,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:59:41,931 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:59:41,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-12 22:59:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:59:48,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 5817 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:59:48,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:59:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-12 22:59:53,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:59:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-12 22:59:55,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1248010460] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:59:55,117 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:59:55,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [7, 7] total 12 [2021-11-12 22:59:55,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993554567] [2021-11-12 22:59:55,118 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:59:55,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:59:55,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:59:55,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:59:55,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:59:55,119 INFO L87 Difference]: Start difference. First operand 5591 states and 8153 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 22:59:55,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:59:55,339 INFO L93 Difference]: Finished difference Result 5593 states and 8154 transitions. [2021-11-12 22:59:55,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:59:55,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 188 [2021-11-12 22:59:55,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:59:55,406 INFO L225 Difference]: With dead ends: 5593 [2021-11-12 22:59:55,406 INFO L226 Difference]: Without dead ends: 5590 [2021-11-12 22:59:55,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 22:59:55,411 INFO L933 BasicCegarLoop]: 7696 mSDtfsCounter, 7610 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7610 SdHoareTripleChecker+Valid, 7696 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.41ms IncrementalHoareTripleChecker+Time [2021-11-12 22:59:55,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7610 Valid, 7696 Invalid, 1 Unknown, 0 Unchecked, 16.76ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 14.41ms Time] [2021-11-12 22:59:55,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2021-11-12 22:59:55,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 5590. [2021-11-12 22:59:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5590 states, 3966 states have (on average 1.3769541099344427) internal successors, (5461), 4038 states have internal predecessors, (5461), 1344 states have call successors, (1344), 279 states have call predecessors, (1344), 279 states have return successors, (1346), 1327 states have call predecessors, (1346), 1342 states have call successors, (1346) [2021-11-12 22:59:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5590 states to 5590 states and 8151 transitions. [2021-11-12 22:59:55,734 INFO L78 Accepts]: Start accepts. Automaton has 5590 states and 8151 transitions. Word has length 188 [2021-11-12 22:59:55,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:59:55,735 INFO L470 AbstractCegarLoop]: Abstraction has 5590 states and 8151 transitions. [2021-11-12 22:59:55,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 22:59:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 5590 states and 8151 transitions. [2021-11-12 22:59:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-12 22:59:55,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:59:55,742 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:59:55,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 22:59:55,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-12 22:59:56,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 22:59:56,143 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:59:56,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:59:56,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1470669535, now seen corresponding path program 1 times [2021-11-12 22:59:56,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:59:56,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714870308] [2021-11-12 22:59:56,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:59:56,159 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:59:56,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:59:56,160 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:59:56,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:00:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:00:27,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 5819 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:00:27,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:00:29,657 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-12 23:00:29,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:00:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-12 23:00:32,786 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:00:32,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714870308] [2021-11-12 23:00:32,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714870308] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:00:32,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1799811984] [2021-11-12 23:00:32,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:00:32,786 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:00:32,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:00:32,787 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:00:32,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-12 23:00:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:00:39,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 5819 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:00:39,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:00:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-12 23:00:44,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:00:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-12 23:00:46,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1799811984] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:00:46,187 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:00:46,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [7, 7] total 12 [2021-11-12 23:00:46,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892734638] [2021-11-12 23:00:46,188 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:00:46,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:00:46,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:00:46,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:00:46,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:00:46,189 INFO L87 Difference]: Start difference. First operand 5590 states and 8151 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:00:46,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:00:46,413 INFO L93 Difference]: Finished difference Result 5592 states and 8152 transitions. [2021-11-12 23:00:46,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:00:46,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 190 [2021-11-12 23:00:46,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:00:46,445 INFO L225 Difference]: With dead ends: 5592 [2021-11-12 23:00:46,445 INFO L226 Difference]: Without dead ends: 5581 [2021-11-12 23:00:46,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 746 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:00:46,451 INFO L933 BasicCegarLoop]: 7695 mSDtfsCounter, 7606 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7606 SdHoareTripleChecker+Valid, 7695 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:00:46,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7606 Valid, 7695 Invalid, 0 Unknown, 0 Unchecked, 16.32ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:00:46,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2021-11-12 23:00:46,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 5581. [2021-11-12 23:00:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5581 states, 3958 states have (on average 1.377210712481051) internal successors, (5451), 4029 states have internal predecessors, (5451), 1343 states have call successors, (1343), 279 states have call predecessors, (1343), 279 states have return successors, (1346), 1327 states have call predecessors, (1346), 1342 states have call successors, (1346) [2021-11-12 23:00:46,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 8140 transitions. [2021-11-12 23:00:46,775 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 8140 transitions. Word has length 190 [2021-11-12 23:00:46,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:00:46,776 INFO L470 AbstractCegarLoop]: Abstraction has 5581 states and 8140 transitions. [2021-11-12 23:00:46,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:00:46,776 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 8140 transitions. [2021-11-12 23:00:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-12 23:00:46,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:00:46,789 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:00:46,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:00:47,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2021-11-12 23:00:47,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:00:47,215 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:00:47,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:00:47,215 INFO L85 PathProgramCache]: Analyzing trace with hash 653955812, now seen corresponding path program 1 times [2021-11-12 23:00:47,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:00:47,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985468005] [2021-11-12 23:00:47,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:00:47,236 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:00:47,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:00:47,237 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:00:47,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:01:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:01:18,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 5958 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:01:18,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:01:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-11-12 23:01:21,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:01:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2021-11-12 23:01:24,970 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:01:24,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1985468005] [2021-11-12 23:01:24,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1985468005] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:01:24,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2146191573] [2021-11-12 23:01:24,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:01:24,971 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:01:24,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:01:24,975 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:01:24,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-12 23:01:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:01:31,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 5958 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:01:31,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:01:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2021-11-12 23:01:32,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:01:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2021-11-12 23:01:33,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2146191573] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:01:33,798 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:01:33,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7, 7] total 12 [2021-11-12 23:01:33,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684107180] [2021-11-12 23:01:33,799 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:01:33,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:01:33,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:01:33,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:01:33,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:01:33,800 INFO L87 Difference]: Start difference. First operand 5581 states and 8140 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:01:36,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:01:37,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:01:37,195 INFO L93 Difference]: Finished difference Result 5581 states and 8140 transitions. [2021-11-12 23:01:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:01:37,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 223 [2021-11-12 23:01:37,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:01:37,200 INFO L225 Difference]: With dead ends: 5581 [2021-11-12 23:01:37,200 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 23:01:37,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:01:37,232 INFO L933 BasicCegarLoop]: 8011 mSDtfsCounter, 773 mSDsluCounter, 7324 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2967.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 15335 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.73ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3143.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:01:37,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [773 Valid, 15335 Invalid, 4 Unknown, 0 Unchecked, 22.73ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 3143.00ms Time] [2021-11-12 23:01:37,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 23:01:37,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 23:01:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:01:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 23:01:37,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2021-11-12 23:01:37,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:01:37,237 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 23:01:37,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:01:37,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 23:01:37,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 23:01:37,240 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:01:37,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:01:37,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-12 23:01:37,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2876ad-0704-41ba-b350-3cb7bf947051/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:01:37,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.