./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--usb--cdc_subset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan --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 dcf5140fb8d3cca08efae44c7b81afb04deeac6d ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan --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 dcf5140fb8d3cca08efae44c7b81afb04deeac6d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 15:43:01,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 15:43:01,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 15:43:01,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 15:43:01,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 15:43:01,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 15:43:01,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 15:43:01,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 15:43:01,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 15:43:01,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 15:43:01,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 15:43:01,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 15:43:01,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 15:43:01,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 15:43:01,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 15:43:01,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 15:43:01,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 15:43:01,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 15:43:01,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 15:43:01,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 15:43:01,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 15:43:01,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 15:43:01,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 15:43:01,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 15:43:01,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 15:43:01,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 15:43:01,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 15:43:01,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 15:43:01,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 15:43:01,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 15:43:01,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 15:43:01,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 15:43:01,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 15:43:01,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 15:43:01,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 15:43:01,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 15:43:01,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 15:43:01,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 15:43:01,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 15:43:01,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 15:43:01,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 15:43:01,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-12-09 15:43:01,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 15:43:01,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 15:43:01,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 15:43:01,099 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 15:43:01,099 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 15:43:01,099 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 15:43:01,099 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 15:43:01,099 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 15:43:01,099 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 15:43:01,099 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 15:43:01,099 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 15:43:01,100 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 15:43:01,100 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 15:43:01,100 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 15:43:01,100 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 15:43:01,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 15:43:01,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 15:43:01,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 15:43:01,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 15:43:01,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 15:43:01,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 15:43:01,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 15:43:01,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 15:43:01,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 15:43:01,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 15:43:01,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 15:43:01,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 15:43:01,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 15:43:01,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 15:43:01,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 15:43:01,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 15:43:01,102 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 15:43:01,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 15:43:01,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 15:43:01,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 15:43:01,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 15:43:01,103 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-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf5140fb8d3cca08efae44c7b81afb04deeac6d [2020-12-09 15:43:01,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 15:43:01,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 15:43:01,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 15:43:01,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 15:43:01,320 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 15:43:01,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-12-09 15:43:01,370 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data/76f0ab441/25b97c31fa974c67aa5ef5754bad7617/FLAG39a692660 [2020-12-09 15:43:01,967 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 15:43:01,968 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-12-09 15:43:02,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data/76f0ab441/25b97c31fa974c67aa5ef5754bad7617/FLAG39a692660 [2020-12-09 15:43:02,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data/76f0ab441/25b97c31fa974c67aa5ef5754bad7617 [2020-12-09 15:43:02,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 15:43:02,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 15:43:02,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 15:43:02,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 15:43:02,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 15:43:02,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:43:02" (1/1) ... [2020-12-09 15:43:02,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebe5503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:02, skipping insertion in model container [2020-12-09 15:43:02,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:43:02" (1/1) ... [2020-12-09 15:43:02,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 15:43:02,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 15:43:02,947 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2020-12-09 15:43:03,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:43:03,109 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) [2020-12-09 15:43:03,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6042b904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:03, skipping insertion in model container [2020-12-09 15:43:03,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 15:43:03,110 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 15:43:03,112 INFO L168 Benchmark]: Toolchain (without parser) took 727.42 ms. Allocated memory is still 100.7 MB. Free memory was 74.5 MB in the beginning and 43.2 MB in the end (delta: 31.3 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2020-12-09 15:43:03,112 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 75.6 MB in the beginning and 75.5 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 15:43:03,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.63 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 43.2 MB in the end (delta: 31.0 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2020-12-09 15:43:03,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 75.6 MB in the beginning and 75.5 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 724.63 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 43.2 MB in the end (delta: 31.0 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5975]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 15:43:04,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 15:43:04,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 15:43:04,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 15:43:04,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 15:43:04,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 15:43:04,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 15:43:04,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 15:43:04,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 15:43:04,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 15:43:04,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 15:43:04,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 15:43:04,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 15:43:04,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 15:43:04,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 15:43:04,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 15:43:04,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 15:43:04,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 15:43:04,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 15:43:04,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 15:43:04,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 15:43:04,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 15:43:04,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 15:43:04,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 15:43:04,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 15:43:04,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 15:43:04,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 15:43:04,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 15:43:04,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 15:43:04,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 15:43:04,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 15:43:04,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 15:43:04,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 15:43:04,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 15:43:04,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 15:43:04,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 15:43:04,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 15:43:04,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 15:43:04,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 15:43:04,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 15:43:04,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 15:43:04,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-12-09 15:43:04,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 15:43:04,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 15:43:04,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 15:43:04,526 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 15:43:04,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 15:43:04,526 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 15:43:04,526 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 15:43:04,526 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 15:43:04,526 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 15:43:04,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 15:43:04,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 15:43:04,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 15:43:04,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 15:43:04,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 15:43:04,528 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 15:43:04,528 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 15:43:04,528 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 15:43:04,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 15:43:04,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 15:43:04,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 15:43:04,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 15:43:04,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 15:43:04,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 15:43:04,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 15:43:04,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 15:43:04,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 15:43:04,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 15:43:04,529 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 15:43:04,529 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:04,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 15:43:04,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 15:43:04,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 15:43:04,530 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-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf5140fb8d3cca08efae44c7b81afb04deeac6d [2020-12-09 15:43:04,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 15:43:04,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 15:43:04,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 15:43:04,781 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 15:43:04,782 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 15:43:04,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-12-09 15:43:04,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data/c89af4fc1/4f97120a796141d887e90a5fc8c443e8/FLAGbd16901bd [2020-12-09 15:43:05,358 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 15:43:05,358 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-12-09 15:43:05,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data/c89af4fc1/4f97120a796141d887e90a5fc8c443e8/FLAGbd16901bd [2020-12-09 15:43:05,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/data/c89af4fc1/4f97120a796141d887e90a5fc8c443e8 [2020-12-09 15:43:05,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 15:43:05,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 15:43:05,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 15:43:05,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 15:43:05,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 15:43:05,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:43:05" (1/1) ... [2020-12-09 15:43:05,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a442841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:05, skipping insertion in model container [2020-12-09 15:43:05,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:43:05" (1/1) ... [2020-12-09 15:43:05,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 15:43:05,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 15:43:06,463 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2020-12-09 15:43:06,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:43:06,626 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 15:43:06,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 15:43:06,830 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2020-12-09 15:43:06,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:43:06,870 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 15:43:06,995 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2020-12-09 15:43:07,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:43:07,116 INFO L208 MainTranslator]: Completed translation [2020-12-09 15:43:07,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07 WrapperNode [2020-12-09 15:43:07,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 15:43:07,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 15:43:07,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 15:43:07,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 15:43:07,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... [2020-12-09 15:43:07,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... [2020-12-09 15:43:07,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 15:43:07,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 15:43:07,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 15:43:07,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 15:43:07,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... [2020-12-09 15:43:07,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... [2020-12-09 15:43:07,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... [2020-12-09 15:43:07,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... [2020-12-09 15:43:07,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... [2020-12-09 15:43:07,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... [2020-12-09 15:43:07,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... [2020-12-09 15:43:07,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 15:43:07,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 15:43:07,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 15:43:07,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 15:43:07,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 15:43:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 15:43:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 15:43:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 15:43:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 15:43:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 15:43:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 15:43:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2020-12-09 15:43:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 15:43:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-09 15:43:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2020-12-09 15:43:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 15:43:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 15:43:09,102 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 15:43:09,103 INFO L299 CfgBuilder]: Removed 141 assume(true) statements. [2020-12-09 15:43:09,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:43:09 BoogieIcfgContainer [2020-12-09 15:43:09,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 15:43:09,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 15:43:09,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 15:43:09,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 15:43:09,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:43:05" (1/3) ... [2020-12-09 15:43:09,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c85d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:43:09, skipping insertion in model container [2020-12-09 15:43:09,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:07" (2/3) ... [2020-12-09 15:43:09,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c85d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:43:09, skipping insertion in model container [2020-12-09 15:43:09,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:43:09" (3/3) ... [2020-12-09 15:43:09,112 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-12-09 15:43:09,122 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 15:43:09,125 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-09 15:43:09,133 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-09 15:43:09,153 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 15:43:09,153 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 15:43:09,153 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 15:43:09,153 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 15:43:09,153 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 15:43:09,153 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 15:43:09,153 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 15:43:09,153 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 15:43:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-12-09 15:43:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-09 15:43:09,174 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:09,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:43:09,175 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:09,181 INFO L82 PathProgramCache]: Analyzing trace with hash 214162578, now seen corresponding path program 1 times [2020-12-09 15:43:09,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:09,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074636509] [2020-12-09 15:43:09,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:10,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 15:43:10,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:10,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:10,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074636509] [2020-12-09 15:43:10,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:43:10,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 15:43:10,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839102950] [2020-12-09 15:43:10,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 15:43:10,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:10,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 15:43:10,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 15:43:10,068 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2020-12-09 15:43:10,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:10,090 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2020-12-09 15:43:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 15:43:10,091 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2020-12-09 15:43:10,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:10,099 INFO L225 Difference]: With dead ends: 310 [2020-12-09 15:43:10,099 INFO L226 Difference]: Without dead ends: 144 [2020-12-09 15:43:10,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 15:43:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-12-09 15:43:10,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-12-09 15:43:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-12-09 15:43:10,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 190 transitions. [2020-12-09 15:43:10,132 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 190 transitions. Word has length 39 [2020-12-09 15:43:10,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:10,133 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 190 transitions. [2020-12-09 15:43:10,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 15:43:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 190 transitions. [2020-12-09 15:43:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-09 15:43:10,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:10,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:43:10,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 15:43:10,336 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:10,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:10,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1366579640, now seen corresponding path program 1 times [2020-12-09 15:43:10,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:10,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760085559] [2020-12-09 15:43:10,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:11,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 15:43:11,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:11,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:11,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760085559] [2020-12-09 15:43:11,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:43:11,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 15:43:11,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296672784] [2020-12-09 15:43:11,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:43:11,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:11,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:43:11,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 15:43:11,240 INFO L87 Difference]: Start difference. First operand 144 states and 190 transitions. Second operand 3 states. [2020-12-09 15:43:11,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:11,262 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2020-12-09 15:43:11,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:43:11,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-09 15:43:11,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:11,265 INFO L225 Difference]: With dead ends: 261 [2020-12-09 15:43:11,265 INFO L226 Difference]: Without dead ends: 145 [2020-12-09 15:43:11,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 15:43:11,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-12-09 15:43:11,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2020-12-09 15:43:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-12-09 15:43:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2020-12-09 15:43:11,275 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 39 [2020-12-09 15:43:11,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:11,276 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions. [2020-12-09 15:43:11,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:43:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2020-12-09 15:43:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-09 15:43:11,277 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:11,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:43:11,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 15:43:11,480 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:11,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:11,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1950098240, now seen corresponding path program 1 times [2020-12-09 15:43:11,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:11,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609225726] [2020-12-09 15:43:11,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:12,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:12,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:12,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:12,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609225726] [2020-12-09 15:43:12,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [572412815] [2020-12-09 15:43:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:12,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:43:12,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 15:43:12,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:12,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:43:12,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2020-12-09 15:43:12,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054236541] [2020-12-09 15:43:12,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:43:12,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:12,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:43:12,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:12,926 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand 3 states. [2020-12-09 15:43:13,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:13,032 INFO L93 Difference]: Finished difference Result 348 states and 480 transitions. [2020-12-09 15:43:13,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:43:13,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-12-09 15:43:13,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:13,034 INFO L225 Difference]: With dead ends: 348 [2020-12-09 15:43:13,034 INFO L226 Difference]: Without dead ends: 234 [2020-12-09 15:43:13,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:13,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-12-09 15:43:13,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 220. [2020-12-09 15:43:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-12-09 15:43:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 307 transitions. [2020-12-09 15:43:13,049 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 307 transitions. Word has length 40 [2020-12-09 15:43:13,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:13,049 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 307 transitions. [2020-12-09 15:43:13,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:43:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 307 transitions. [2020-12-09 15:43:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-09 15:43:13,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:13,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:43:13,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:13,453 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:13,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:13,455 INFO L82 PathProgramCache]: Analyzing trace with hash 869027123, now seen corresponding path program 1 times [2020-12-09 15:43:13,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:13,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361521786] [2020-12-09 15:43:13,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:14,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:14,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:14,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:14,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361521786] [2020-12-09 15:43:14,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2054903910] [2020-12-09 15:43:14,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:14,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:43:14,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 15:43:14,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:14,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:43:14,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 7 [2020-12-09 15:43:14,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697310932] [2020-12-09 15:43:14,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:43:14,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:14,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:43:14,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:14,843 INFO L87 Difference]: Start difference. First operand 220 states and 307 transitions. Second operand 3 states. [2020-12-09 15:43:14,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:14,850 INFO L93 Difference]: Finished difference Result 220 states and 307 transitions. [2020-12-09 15:43:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:43:14,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-12-09 15:43:14,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:14,852 INFO L225 Difference]: With dead ends: 220 [2020-12-09 15:43:14,852 INFO L226 Difference]: Without dead ends: 218 [2020-12-09 15:43:14,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:14,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-12-09 15:43:14,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-12-09 15:43:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-12-09 15:43:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 305 transitions. [2020-12-09 15:43:14,864 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 305 transitions. Word has length 43 [2020-12-09 15:43:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:14,864 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 305 transitions. [2020-12-09 15:43:14,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:43:14,864 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 305 transitions. [2020-12-09 15:43:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-09 15:43:14,866 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:14,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:43:15,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt,6 mathsat -unsat_core_generation=3 [2020-12-09 15:43:15,268 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:15,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:15,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1170043569, now seen corresponding path program 1 times [2020-12-09 15:43:15,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:15,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217964129] [2020-12-09 15:43:15,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:16,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:16,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:16,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:16,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217964129] [2020-12-09 15:43:16,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1540605376] [2020-12-09 15:43:16,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:16,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:43:16,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 15:43:16,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:16,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:43:16,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 7 [2020-12-09 15:43:16,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596497266] [2020-12-09 15:43:16,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:43:16,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:16,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:43:16,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:16,584 INFO L87 Difference]: Start difference. First operand 218 states and 305 transitions. Second operand 3 states. [2020-12-09 15:43:16,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:16,595 INFO L93 Difference]: Finished difference Result 218 states and 305 transitions. [2020-12-09 15:43:16,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:43:16,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-09 15:43:16,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:16,597 INFO L225 Difference]: With dead ends: 218 [2020-12-09 15:43:16,597 INFO L226 Difference]: Without dead ends: 216 [2020-12-09 15:43:16,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:16,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-12-09 15:43:16,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2020-12-09 15:43:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-12-09 15:43:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 303 transitions. [2020-12-09 15:43:16,613 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 303 transitions. Word has length 44 [2020-12-09 15:43:16,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:16,614 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 303 transitions. [2020-12-09 15:43:16,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:43:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 303 transitions. [2020-12-09 15:43:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-09 15:43:16,616 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:16,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:43:17,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt,8 mathsat -unsat_core_generation=3 [2020-12-09 15:43:17,019 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:17,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:17,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1911618813, now seen corresponding path program 1 times [2020-12-09 15:43:17,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:17,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234561668] [2020-12-09 15:43:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:17,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:17,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:17,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:17,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:17,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234561668] [2020-12-09 15:43:17,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2036860007] [2020-12-09 15:43:17,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:18,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:43:18,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 15:43:18,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:18,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:43:18,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 7 [2020-12-09 15:43:18,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108043776] [2020-12-09 15:43:18,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:43:18,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:18,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:43:18,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:18,370 INFO L87 Difference]: Start difference. First operand 216 states and 303 transitions. Second operand 3 states. [2020-12-09 15:43:18,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:18,377 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2020-12-09 15:43:18,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:43:18,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-09 15:43:18,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:18,379 INFO L225 Difference]: With dead ends: 216 [2020-12-09 15:43:18,379 INFO L226 Difference]: Without dead ends: 214 [2020-12-09 15:43:18,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:18,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-12-09 15:43:18,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2020-12-09 15:43:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-12-09 15:43:18,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 301 transitions. [2020-12-09 15:43:18,388 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 301 transitions. Word has length 45 [2020-12-09 15:43:18,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:18,388 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 301 transitions. [2020-12-09 15:43:18,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:43:18,389 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 301 transitions. [2020-12-09 15:43:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-09 15:43:18,390 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:18,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:43:18,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:18,793 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:18,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:18,794 INFO L82 PathProgramCache]: Analyzing trace with hash -869352389, now seen corresponding path program 1 times [2020-12-09 15:43:18,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:18,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159432063] [2020-12-09 15:43:18,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:19,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:19,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:19,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:43:19,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159432063] [2020-12-09 15:43:19,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2117340859] [2020-12-09 15:43:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:20,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:43:20,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 15:43:20,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:20,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:43:20,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 7 [2020-12-09 15:43:20,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015548918] [2020-12-09 15:43:20,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:43:20,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:20,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:43:20,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:20,128 INFO L87 Difference]: Start difference. First operand 214 states and 301 transitions. Second operand 3 states. [2020-12-09 15:43:20,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:20,155 INFO L93 Difference]: Finished difference Result 573 states and 834 transitions. [2020-12-09 15:43:20,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:43:20,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-12-09 15:43:20,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:20,157 INFO L225 Difference]: With dead ends: 573 [2020-12-09 15:43:20,157 INFO L226 Difference]: Without dead ends: 384 [2020-12-09 15:43:20,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:20,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-12-09 15:43:20,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2020-12-09 15:43:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-09 15:43:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 552 transitions. [2020-12-09 15:43:20,172 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 552 transitions. Word has length 46 [2020-12-09 15:43:20,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:20,172 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 552 transitions. [2020-12-09 15:43:20,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:43:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 552 transitions. [2020-12-09 15:43:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-09 15:43:20,174 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:20,174 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 15:43:20,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2020-12-09 15:43:20,577 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:20,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:20,578 INFO L82 PathProgramCache]: Analyzing trace with hash 2118188475, now seen corresponding path program 1 times [2020-12-09 15:43:20,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:20,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926298031] [2020-12-09 15:43:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:21,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:21,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 15:43:21,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:21,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 15:43:21,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926298031] [2020-12-09 15:43:21,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [477488400] [2020-12-09 15:43:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:21,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:43:21,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 15:43:21,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:21,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:43:21,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2020-12-09 15:43:21,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684337222] [2020-12-09 15:43:21,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:43:21,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:21,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:43:21,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:21,978 INFO L87 Difference]: Start difference. First operand 382 states and 552 transitions. Second operand 3 states. [2020-12-09 15:43:22,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:22,627 INFO L93 Difference]: Finished difference Result 733 states and 1072 transitions. [2020-12-09 15:43:22,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:43:22,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-09 15:43:22,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:22,629 INFO L225 Difference]: With dead ends: 733 [2020-12-09 15:43:22,629 INFO L226 Difference]: Without dead ends: 382 [2020-12-09 15:43:22,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:43:22,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-09 15:43:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2020-12-09 15:43:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-09 15:43:22,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 550 transitions. [2020-12-09 15:43:22,643 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 550 transitions. Word has length 67 [2020-12-09 15:43:22,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:22,643 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 550 transitions. [2020-12-09 15:43:22,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:43:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 550 transitions. [2020-12-09 15:43:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-09 15:43:22,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:22,644 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 15:43:23,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:23,046 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:23,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:23,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1998629966, now seen corresponding path program 1 times [2020-12-09 15:43:23,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:23,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959331862] [2020-12-09 15:43:23,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:23,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:23,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 15:43:23,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 15:43:23,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959331862] [2020-12-09 15:43:23,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [124696617] [2020-12-09 15:43:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:25,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:25,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 15:43:25,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:25,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 15:43:25,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549323881] [2020-12-09 15:43:25,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 15:43:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:25,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 15:43:25,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 15:43:25,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:25,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 15:43:25,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 4, 4] total 11 [2020-12-09 15:43:25,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390429962] [2020-12-09 15:43:25,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 15:43:25,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:25,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 15:43:25,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-12-09 15:43:25,950 INFO L87 Difference]: Start difference. First operand 382 states and 550 transitions. Second operand 7 states. [2020-12-09 15:43:26,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:26,124 INFO L93 Difference]: Finished difference Result 1384 states and 2053 transitions. [2020-12-09 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 15:43:26,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2020-12-09 15:43:26,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:26,131 INFO L225 Difference]: With dead ends: 1384 [2020-12-09 15:43:26,131 INFO L226 Difference]: Without dead ends: 1033 [2020-12-09 15:43:26,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 328 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2020-12-09 15:43:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2020-12-09 15:43:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 380. [2020-12-09 15:43:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-12-09 15:43:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 548 transitions. [2020-12-09 15:43:26,158 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 548 transitions. Word has length 68 [2020-12-09 15:43:26,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:26,158 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 548 transitions. [2020-12-09 15:43:26,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 15:43:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 548 transitions. [2020-12-09 15:43:26,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-09 15:43:26,159 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:43:26,159 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-12-09 15:43:26,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:26,762 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:43:26,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:43:26,763 INFO L82 PathProgramCache]: Analyzing trace with hash -398250249, now seen corresponding path program 1 times [2020-12-09 15:43:26,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:43:26,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062206251] [2020-12-09 15:43:26,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2020-12-09 15:43:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:27,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:27,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-09 15:43:27,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-09 15:43:27,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062206251] [2020-12-09 15:43:27,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1899823714] [2020-12-09 15:43:27,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:29,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:43:29,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-09 15:43:29,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:43:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-09 15:43:29,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827594726] [2020-12-09 15:43:29,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 15:43:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:43:29,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 15:43:29,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:43:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 15:43:29,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:43:29,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 15:43:29,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4, 4, 4] total 9 [2020-12-09 15:43:29,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990654533] [2020-12-09 15:43:29,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 15:43:29,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:43:29,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 15:43:29,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-09 15:43:29,700 INFO L87 Difference]: Start difference. First operand 380 states and 548 transitions. Second operand 5 states. [2020-12-09 15:43:29,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:43:29,766 INFO L93 Difference]: Finished difference Result 535 states and 784 transitions. [2020-12-09 15:43:29,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 15:43:29,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-12-09 15:43:29,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:43:29,767 INFO L225 Difference]: With dead ends: 535 [2020-12-09 15:43:29,768 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 15:43:29,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-12-09 15:43:29,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 15:43:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 15:43:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 15:43:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 15:43:29,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-12-09 15:43:29,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:43:29,769 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 15:43:29,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 15:43:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 15:43:29,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 15:43:30,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 cvc4 --incremental --print-success --lang smt [2020-12-09 15:43:30,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 15:43:30,935 INFO L262 CegarLoopResult]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2020-12-09 15:43:30,935 INFO L262 CegarLoopResult]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2020-12-09 15:43:30,935 INFO L262 CegarLoopResult]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2020-12-09 15:43:30,935 INFO L262 CegarLoopResult]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2020-12-09 15:43:30,935 INFO L258 CegarLoopResult]: At program point L7005(lines 7004 7006) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,935 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-09 15:43:30,935 INFO L262 CegarLoopResult]: For program point L6213(line 6213) no Hoare annotation was computed. [2020-12-09 15:43:30,935 INFO L262 CegarLoopResult]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2020-12-09 15:43:30,935 INFO L262 CegarLoopResult]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L258 CegarLoopResult]: At program point L6347(lines 6336 6349) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvsge ULTIMATE.start_ldv_undef_int_negative_~ret~0 (_ bv0 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvsge |ULTIMATE.start_ldv_undef_int_negative_#res| (_ bv0 32)))) [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L6050(line 6050) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L258 CegarLoopResult]: At program point L7009(lines 7008 7010) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5721(line 5721) no Hoare annotation was computed. [2020-12-09 15:43:30,936 INFO L262 CegarLoopResult]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L6184(line 6184) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L258 CegarLoopResult]: At program point L5953(lines 5948 5955) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,937 INFO L265 CegarLoopResult]: At program point L6977(lines 6962 6983) the Hoare annotation is: true [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L258 CegarLoopResult]: At program point L6318(lines 6307 6320) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,937 INFO L258 CegarLoopResult]: At program point L6153(lines 6965 6968) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L6120(line 6120) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2020-12-09 15:43:30,937 INFO L262 CegarLoopResult]: For program point L6220(line 6220) no Hoare annotation was computed. [2020-12-09 15:43:30,938 INFO L258 CegarLoopResult]: At program point L7013(lines 7012 7014) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_m5632_recover_~r~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32))) [2020-12-09 15:43:30,938 INFO L262 CegarLoopResult]: For program point L6188(line 6188) no Hoare annotation was computed. [2020-12-09 15:43:30,938 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-09 15:43:30,938 INFO L262 CegarLoopResult]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2020-12-09 15:43:30,938 INFO L262 CegarLoopResult]: For program point L6057(line 6057) no Hoare annotation was computed. [2020-12-09 15:43:30,938 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-09 15:43:30,938 INFO L258 CegarLoopResult]: At program point L6223(lines 6002 6228) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,938 INFO L258 CegarLoopResult]: At program point L7016-1(lines 7015 7017) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,938 INFO L258 CegarLoopResult]: At program point L7016(lines 7015 7017) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,938 INFO L262 CegarLoopResult]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2020-12-09 15:43:30,938 INFO L262 CegarLoopResult]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2020-12-09 15:43:30,938 INFO L258 CegarLoopResult]: At program point L6951(lines 6940 6954) the Hoare annotation is: (let ((.cse0 (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (not (bvsge ULTIMATE.start_ldv_undef_int_negative_~ret~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (not (bvsge |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32))) .cse2 (not (bvsge |ULTIMATE.start_ldv_undef_int_negative_#res| (_ bv0 32)))) (and .cse0 .cse1 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32)) .cse2 (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32))))) [2020-12-09 15:43:30,938 INFO L265 CegarLoopResult]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2020-12-09 15:43:30,938 INFO L265 CegarLoopResult]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2020-12-09 15:43:30,939 INFO L265 CegarLoopResult]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2020-12-09 15:43:30,939 INFO L265 CegarLoopResult]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2020-12-09 15:43:30,939 INFO L265 CegarLoopResult]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2020-12-09 15:43:30,939 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-09 15:43:30,939 INFO L265 CegarLoopResult]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2020-12-09 15:43:30,939 INFO L265 CegarLoopResult]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2020-12-09 15:43:30,939 INFO L265 CegarLoopResult]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2020-12-09 15:43:30,939 INFO L265 CegarLoopResult]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2020-12-09 15:43:30,939 INFO L262 CegarLoopResult]: For program point L6159(line 6159) no Hoare annotation was computed. [2020-12-09 15:43:30,939 INFO L262 CegarLoopResult]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2020-12-09 15:43:30,939 INFO L262 CegarLoopResult]: For program point L6093(line 6093) no Hoare annotation was computed. [2020-12-09 15:43:30,939 INFO L258 CegarLoopResult]: At program point L6985(lines 6984 6986) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_m5632_recover_~r~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32))) [2020-12-09 15:43:30,939 INFO L262 CegarLoopResult]: For program point L6127(line 6127) no Hoare annotation was computed. [2020-12-09 15:43:30,939 INFO L262 CegarLoopResult]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2020-12-09 15:43:30,939 INFO L262 CegarLoopResult]: For program point L6028(line 6028) no Hoare annotation was computed. [2020-12-09 15:43:30,939 INFO L258 CegarLoopResult]: At program point L6326(lines 1 7033) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,940 INFO L265 CegarLoopResult]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2020-12-09 15:43:30,940 INFO L262 CegarLoopResult]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2020-12-09 15:43:30,940 INFO L262 CegarLoopResult]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2020-12-09 15:43:30,940 INFO L258 CegarLoopResult]: At program point L7020(lines 7019 7021) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,940 INFO L258 CegarLoopResult]: At program point L5765-2(lines 5757 5767) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,940 INFO L258 CegarLoopResult]: At program point L5765-3(lines 5757 5767) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,940 INFO L258 CegarLoopResult]: At program point L5765(lines 5757 5767) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,940 INFO L258 CegarLoopResult]: At program point L5765-1(lines 5757 5767) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,940 INFO L258 CegarLoopResult]: At program point L5765-6(lines 5757 5767) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,940 INFO L258 CegarLoopResult]: At program point L5765-4(lines 5757 5767) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,940 INFO L258 CegarLoopResult]: At program point L5765-5(lines 5757 5767) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,940 INFO L262 CegarLoopResult]: For program point L6195(line 6195) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L258 CegarLoopResult]: At program point L6922(lines 1 7033) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,941 INFO L258 CegarLoopResult]: At program point L6988(lines 6987 6989) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6064(line 6064) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L258 CegarLoopResult]: At program point L6296(lines 6291 6298) the Hoare annotation is: (let ((.cse0 (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32)) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| (_ bv0 32)) .cse2 (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32))) (and .cse0 .cse1 (not (bvsge ULTIMATE.start_ldv_undef_int_negative_~ret~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (not (bvsge |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32))) .cse2 (not (bvsge |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| (_ bv0 32))) (not (bvsge |ULTIMATE.start_ldv_undef_int_negative_#res| (_ bv0 32)))))) [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6131(line 6131) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6032(line 6032) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L262 CegarLoopResult]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2020-12-09 15:43:30,941 INFO L258 CegarLoopResult]: At program point L7024(lines 7023 7025) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6166(line 6166) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6100(line 6100) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L258 CegarLoopResult]: At program point L6992(lines 6991 6993) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6332(line 6332) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6068(line 6068) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L258 CegarLoopResult]: At program point L6861(lines 6853 6863) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32))) [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,942 INFO L262 CegarLoopResult]: For program point L6202(line 6202) no Hoare annotation was computed. [2020-12-09 15:43:30,943 INFO L262 CegarLoopResult]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2020-12-09 15:43:30,943 INFO L262 CegarLoopResult]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2020-12-09 15:43:30,943 INFO L258 CegarLoopResult]: At program point L7028(lines 7027 7029) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,943 INFO L258 CegarLoopResult]: At program point L5773(lines 5768 5775) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,943 INFO L262 CegarLoopResult]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2020-12-09 15:43:30,943 INFO L262 CegarLoopResult]: For program point L6170(line 6170) no Hoare annotation was computed. [2020-12-09 15:43:30,943 INFO L262 CegarLoopResult]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2020-12-09 15:43:30,943 INFO L258 CegarLoopResult]: At program point L5840-1(lines 5837 5842) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,943 INFO L258 CegarLoopResult]: At program point L5840-2(lines 5837 5842) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,943 INFO L258 CegarLoopResult]: At program point L5840(lines 5837 5842) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,943 INFO L258 CegarLoopResult]: At program point L5840-3(lines 5837 5842) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,943 INFO L262 CegarLoopResult]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2020-12-09 15:43:30,943 INFO L262 CegarLoopResult]: For program point L6039(line 6039) no Hoare annotation was computed. [2020-12-09 15:43:30,943 INFO L262 CegarLoopResult]: For program point L6139(line 6139) no Hoare annotation was computed. [2020-12-09 15:43:30,943 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L6206(line 6206) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L258 CegarLoopResult]: At program point L5976(lines 5970 5978) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L6110(line 6110) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L-1-2(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L-1-4(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L-1-5(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point L-1-6(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,944 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-09 15:43:30,945 INFO L258 CegarLoopResult]: At program point L-1-8(line -1) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,945 INFO L262 CegarLoopResult]: For program point L-1-9(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,945 INFO L262 CegarLoopResult]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2020-12-09 15:43:30,945 INFO L262 CegarLoopResult]: For program point L-1-10(line -1) no Hoare annotation was computed. [2020-12-09 15:43:30,945 INFO L262 CegarLoopResult]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2020-12-09 15:43:30,945 INFO L262 CegarLoopResult]: For program point L6177(line 6177) no Hoare annotation was computed. [2020-12-09 15:43:30,945 INFO L258 CegarLoopResult]: At program point L5781(lines 5776 5783) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,945 INFO L258 CegarLoopResult]: At program point L5781-1(lines 5776 5783) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 15:43:30,945 INFO L262 CegarLoopResult]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2020-12-09 15:43:30,945 INFO L262 CegarLoopResult]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2020-12-09 15:43:30,945 INFO L262 CegarLoopResult]: For program point L6079(line 6079) no Hoare annotation was computed. [2020-12-09 15:43:30,945 INFO L262 CegarLoopResult]: For program point L6046(line 6046) no Hoare annotation was computed. [2020-12-09 15:43:30,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:43:30 BoogieIcfgContainer [2020-12-09 15:43:30,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 15:43:30,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 15:43:30,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 15:43:30,968 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 15:43:30,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:43:09" (3/4) ... [2020-12-09 15:43:30,970 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 15:43:30,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-12-09 15:43:30,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-12-09 15:43:30,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 15:43:30,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 15:43:30,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 15:43:31,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && !~bvsge32(ret, 0bv32)) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) || ((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) [2020-12-09 15:43:31,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && \result == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) || (((((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && !~bvsge32(ret, 0bv32)) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) && !~bvsge32(\result, 0bv32)) [2020-12-09 15:43:31,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && !~bvsge32(ret, 0bv32)) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32) [2020-12-09 15:43:31,024 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == r) && \result == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32 [2020-12-09 15:43:31,024 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == r) && \result == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32 [2020-12-09 15:43:31,213 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d6a252ed-6fa0-43a6-969a-8a45094b6f4e/bin/utaipan/witness.graphml [2020-12-09 15:43:31,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 15:43:31,214 INFO L168 Benchmark]: Toolchain (without parser) took 25354.25 ms. Allocated memory was 60.8 MB in the beginning and 253.8 MB in the end (delta: 192.9 MB). Free memory was 31.8 MB in the beginning and 189.5 MB in the end (delta: -157.7 MB). Peak memory consumption was 175.3 MB. Max. memory is 16.1 GB. [2020-12-09 15:43:31,214 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 60.8 MB. Free memory was 43.6 MB in the beginning and 43.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 15:43:31,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1257.57 ms. Allocated memory was 60.8 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Free memory was 31.6 MB in the beginning and 54.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. [2020-12-09 15:43:31,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.97 ms. Allocated memory is still 109.1 MB. Free memory was 53.9 MB in the beginning and 45.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 15:43:31,215 INFO L168 Benchmark]: Boogie Preprocessor took 89.27 ms. Allocated memory is still 109.1 MB. Free memory was 45.1 MB in the beginning and 51.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 15:43:31,215 INFO L168 Benchmark]: RCFGBuilder took 1815.16 ms. Allocated memory was 109.1 MB in the beginning and 205.5 MB in the end (delta: 96.5 MB). Free memory was 51.0 MB in the beginning and 134.3 MB in the end (delta: -83.3 MB). Peak memory consumption was 63.7 MB. Max. memory is 16.1 GB. [2020-12-09 15:43:31,216 INFO L168 Benchmark]: TraceAbstraction took 21861.07 ms. Allocated memory was 205.5 MB in the beginning and 253.8 MB in the end (delta: 48.2 MB). Free memory was 134.3 MB in the beginning and 69.2 MB in the end (delta: 65.1 MB). Peak memory consumption was 114.4 MB. Max. memory is 16.1 GB. [2020-12-09 15:43:31,216 INFO L168 Benchmark]: Witness Printer took 245.14 ms. Allocated memory is still 253.8 MB. Free memory was 69.2 MB in the beginning and 189.5 MB in the end (delta: -120.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-12-09 15:43:31,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 60.8 MB. Free memory was 43.6 MB in the beginning and 43.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1257.57 ms. Allocated memory was 60.8 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Free memory was 31.6 MB in the beginning and 54.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.97 ms. Allocated memory is still 109.1 MB. Free memory was 53.9 MB in the beginning and 45.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.27 ms. Allocated memory is still 109.1 MB. Free memory was 45.1 MB in the beginning and 51.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1815.16 ms. Allocated memory was 109.1 MB in the beginning and 205.5 MB in the end (delta: 96.5 MB). Free memory was 51.0 MB in the beginning and 134.3 MB in the end (delta: -83.3 MB). Peak memory consumption was 63.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21861.07 ms. Allocated memory was 205.5 MB in the beginning and 253.8 MB in the end (delta: 48.2 MB). Free memory was 134.3 MB in the beginning and 69.2 MB in the end (delta: 65.1 MB). Peak memory consumption was 114.4 MB. Max. memory is 16.1 GB. * Witness Printer took 245.14 ms. Allocated memory is still 253.8 MB. Free memory was 69.2 MB in the beginning and 189.5 MB in the end (delta: -120.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 6962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ldv_state_variable_6) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6987]: Loop Invariant Derived loop invariant: (((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ldv_state_variable_6) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5948]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ldv_state_variable_6) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ldv_state_variable_6) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ldv_state_variable_6) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ldv_state_variable_6) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6991]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: (((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == r) && \result == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32 - InvariantResult [Line: 6965]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ldv_state_variable_6) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 7004]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7008]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7019]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5768]: Loop Invariant Derived loop invariant: (((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ldv_state_variable_6) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6336]: Loop Invariant Derived loop invariant: ((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && !~bvsge32(ret, 0bv32)) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32) - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6307]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6853]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: (((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && \result == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) || (((((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && !~bvsge32(ret, 0bv32)) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) && !~bvsge32(\result, 0bv32)) - InvariantResult [Line: 5970]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7012]: Loop Invariant Derived loop invariant: (((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == r) && \result == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32 - InvariantResult [Line: 7023]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6002]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ldv_state_variable_6) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 7027]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6940]: Loop Invariant Derived loop invariant: ((((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && !~bvsge32(ret, 0bv32)) && 0bv32 == ~bvadd64(ldv_mutex_udev, 4294967295bv32)) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) || ((((~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 157 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2389 SDtfs, 2426 SDslu, 2919 SDs, 0 SdLazy, 79 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1619 GetRequests, 1564 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 669 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 48 PreInvPairs, 148 NumberOfFragments, 922 HoareAnnotationTreeSize, 48 FomulaSimplifications, 6532 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 11.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1071 NumberOfCodeBlocks, 1071 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1608 ConstructedInterpolants, 0 QuantifiedInterpolants, 134979 SizeOfPredicates, 55 NumberOfNonLiveVariables, 25670 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 30 InterpolantComputations, 10 PerfectInterpolantSequences, 84/104 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...