./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_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI --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_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI --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 [2021-10-11 02:23:45,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:45,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:45,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:45,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:45,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:45,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:45,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:45,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:45,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:45,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:45,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:45,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:45,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:45,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:45,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:45,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:45,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:45,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:45,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:45,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:45,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:45,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:45,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:45,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:45,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:45,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:45,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:45,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:45,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:45,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:45,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:45,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:45,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:45,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:45,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:45,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:45,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:45,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:45,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:45,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:45,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-11 02:23:45,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:45,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:45,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:45,656 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:45,657 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:45,657 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:45,657 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:45,658 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:45,658 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:45,658 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:45,658 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:45,658 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:45,659 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:45,659 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:45,659 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:45,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:45,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:45,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:45,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:45,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:45,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:45,661 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:45,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:45,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:45,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:45,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:45,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:45,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:45,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:45,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:45,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:45,664 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:45,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:45,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:45,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:45,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:45,665 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf5140fb8d3cca08efae44c7b81afb04deeac6d [2021-10-11 02:23:45,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:45,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:45,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:46,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:46,002 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:46,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/../../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 [2021-10-11 02:23:46,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data/357c502ef/73380b8d0e624a0285362f70d57a68b3/FLAG4423bcf9e [2021-10-11 02:23:47,067 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:47,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/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 [2021-10-11 02:23:47,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data/357c502ef/73380b8d0e624a0285362f70d57a68b3/FLAG4423bcf9e [2021-10-11 02:23:47,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data/357c502ef/73380b8d0e624a0285362f70d57a68b3 [2021-10-11 02:23:47,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:47,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:47,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:47,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:47,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:47,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:47" (1/1) ... [2021-10-11 02:23:47,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4618dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:47, skipping insertion in model container [2021-10-11 02:23:47,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:47" (1/1) ... [2021-10-11 02:23:47,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:47,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:48,852 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/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] [2021-10-11 02:23:49,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:49,188 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:23:49,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ee3388b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49, skipping insertion in model container [2021-10-11 02:23:49,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:49,190 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:49,194 INFO L168 Benchmark]: Toolchain (without parser) took 1701.07 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 62.0 MB in the beginning and 95.2 MB in the end (delta: -33.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,197 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:49,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1697.70 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 61.8 MB in the beginning and 95.2 MB in the end (delta: -33.4 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1697.70 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 61.8 MB in the beginning and 95.2 MB in the end (delta: -33.4 MB). Peak memory consumption was 34.7 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 [2021-10-11 02:23:52,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:52,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:52,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:52,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:52,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:52,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:52,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:52,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:52,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:52,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:52,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:52,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:52,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:52,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:52,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:52,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:52,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:52,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:52,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:52,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:52,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:52,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:52,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:52,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:52,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:52,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:52,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:52,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:52,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:52,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:52,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:52,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:52,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:52,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:52,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:52,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:52,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:52,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:52,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:52,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:52,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-11 02:23:52,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:52,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:52,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:52,275 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:52,275 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:52,275 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:52,276 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:52,276 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:52,276 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:52,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:52,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:52,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:52,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:52,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:52,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:52,278 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:52,279 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:52,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:52,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:52,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:52,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:52,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:52,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:52,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:52,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:52,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:52,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:52,285 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:52,286 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:52,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:52,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:52,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:52,287 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf5140fb8d3cca08efae44c7b81afb04deeac6d [2021-10-11 02:23:52,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:52,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:52,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:52,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:52,847 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:52,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/../../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 [2021-10-11 02:23:52,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data/ae7ae2e69/48b5ebdf3f2a4273a718ac0c9a416753/FLAG9d174d69e [2021-10-11 02:23:54,059 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:54,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/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 [2021-10-11 02:23:54,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data/ae7ae2e69/48b5ebdf3f2a4273a718ac0c9a416753/FLAG9d174d69e [2021-10-11 02:23:54,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/data/ae7ae2e69/48b5ebdf3f2a4273a718ac0c9a416753 [2021-10-11 02:23:54,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:54,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:54,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:54,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:54,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:54,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:54" (1/1) ... [2021-10-11 02:23:54,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1942c54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:54, skipping insertion in model container [2021-10-11 02:23:54,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:54" (1/1) ... [2021-10-11 02:23:54,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:54,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:56,019 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/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] [2021-10-11 02:23:56,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:56,393 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:56,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:56,691 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/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] [2021-10-11 02:23:56,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:56,769 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:57,080 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/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] [2021-10-11 02:23:57,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:57,316 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:57,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57 WrapperNode [2021-10-11 02:23:57,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:57,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:57,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:57,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:57,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... [2021-10-11 02:23:57,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... [2021-10-11 02:23:57,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:57,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:57,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:57,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:57,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... [2021-10-11 02:23:57,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... [2021-10-11 02:23:57,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... [2021-10-11 02:23:57,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... [2021-10-11 02:23:57,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... [2021-10-11 02:23:57,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... [2021-10-11 02:23:57,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... [2021-10-11 02:23:57,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:57,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:57,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:57,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:57,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:23:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:23:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:23:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 02:23:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:23:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:23:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-11 02:23:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:23:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-11 02:23:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-10-11 02:23:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:01,540 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:01,545 INFO L299 CfgBuilder]: Removed 141 assume(true) statements. [2021-10-11 02:24:01,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:01 BoogieIcfgContainer [2021-10-11 02:24:01,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:01,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:01,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:01,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:01,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:54" (1/3) ... [2021-10-11 02:24:01,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3416d7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:01, skipping insertion in model container [2021-10-11 02:24:01,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:57" (2/3) ... [2021-10-11 02:24:01,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3416d7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:01, skipping insertion in model container [2021-10-11 02:24:01,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:01" (3/3) ... [2021-10-11 02:24:01,561 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-10-11 02:24:01,579 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:01,583 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-10-11 02:24:01,597 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-11 02:24:01,644 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:01,645 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:01,645 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:01,645 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:01,645 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:01,646 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:01,646 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:01,646 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2021-10-11 02:24:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-11 02:24:01,686 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:01,687 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] [2021-10-11 02:24:01,688 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]=== [2021-10-11 02:24:01,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:01,696 INFO L82 PathProgramCache]: Analyzing trace with hash 214162578, now seen corresponding path program 1 times [2021-10-11 02:24:01,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:01,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521096650] [2021-10-11 02:24:01,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:03,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:24:03,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:03,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:03,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521096650] [2021-10-11 02:24:03,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:03,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:03,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47477673] [2021-10-11 02:24:03,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:24:03,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:03,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:24:03,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:24:03,203 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2021-10-11 02:24:03,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:03,259 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2021-10-11 02:24:03,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:24:03,261 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2021-10-11 02:24:03,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:03,284 INFO L225 Difference]: With dead ends: 310 [2021-10-11 02:24:03,284 INFO L226 Difference]: Without dead ends: 144 [2021-10-11 02:24:03,289 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 [2021-10-11 02:24:03,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-10-11 02:24:03,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2021-10-11 02:24:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-10-11 02:24:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 190 transitions. [2021-10-11 02:24:03,372 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 190 transitions. Word has length 39 [2021-10-11 02:24:03,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:03,373 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 190 transitions. [2021-10-11 02:24:03,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:24:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 190 transitions. [2021-10-11 02:24:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-11 02:24:03,377 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:03,377 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] [2021-10-11 02:24:03,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:24:03,601 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]=== [2021-10-11 02:24:03,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:03,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1366579640, now seen corresponding path program 1 times [2021-10-11 02:24:03,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:03,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285889745] [2021-10-11 02:24:03,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:05,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:24:05,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:05,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:05,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285889745] [2021-10-11 02:24:05,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:05,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:24:05,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444013370] [2021-10-11 02:24:05,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:05,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:05,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:05,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:05,175 INFO L87 Difference]: Start difference. First operand 144 states and 190 transitions. Second operand 3 states. [2021-10-11 02:24:05,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:05,223 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2021-10-11 02:24:05,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:05,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2021-10-11 02:24:05,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:05,231 INFO L225 Difference]: With dead ends: 261 [2021-10-11 02:24:05,232 INFO L226 Difference]: Without dead ends: 145 [2021-10-11 02:24:05,237 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 [2021-10-11 02:24:05,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-11 02:24:05,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2021-10-11 02:24:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2021-10-11 02:24:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2021-10-11 02:24:05,252 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 39 [2021-10-11 02:24:05,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:05,252 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions. [2021-10-11 02:24:05,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2021-10-11 02:24:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-11 02:24:05,255 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:05,255 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] [2021-10-11 02:24:05,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:24:05,481 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]=== [2021-10-11 02:24:05,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:05,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1950098240, now seen corresponding path program 1 times [2021-10-11 02:24:05,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:05,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392856369] [2021-10-11 02:24:05,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:06,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:06,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:06,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:06,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1392856369] [2021-10-11 02:24:06,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1197983564] [2021-10-11 02:24:06,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:07,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:07,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:24:08,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:08,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:24:08,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-10-11 02:24:08,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590220631] [2021-10-11 02:24:08,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:08,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:08,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:08,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:08,006 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand 3 states. [2021-10-11 02:24:08,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:08,174 INFO L93 Difference]: Finished difference Result 348 states and 480 transitions. [2021-10-11 02:24:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:08,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2021-10-11 02:24:08,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:08,177 INFO L225 Difference]: With dead ends: 348 [2021-10-11 02:24:08,177 INFO L226 Difference]: Without dead ends: 234 [2021-10-11 02:24:08,178 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 [2021-10-11 02:24:08,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-10-11 02:24:08,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 220. [2021-10-11 02:24:08,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2021-10-11 02:24:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 307 transitions. [2021-10-11 02:24:08,198 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 307 transitions. Word has length 40 [2021-10-11 02:24:08,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:08,198 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 307 transitions. [2021-10-11 02:24:08,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 307 transitions. [2021-10-11 02:24:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-11 02:24:08,201 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:08,201 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] [2021-10-11 02:24:08,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:08,625 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]=== [2021-10-11 02:24:08,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:08,626 INFO L82 PathProgramCache]: Analyzing trace with hash 869027123, now seen corresponding path program 1 times [2021-10-11 02:24:08,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:08,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715375817] [2021-10-11 02:24:08,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:09,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:09,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:09,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:10,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715375817] [2021-10-11 02:24:10,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1489640240] [2021-10-11 02:24:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:11,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:11,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:24:11,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:11,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:24:11,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 7 [2021-10-11 02:24:11,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012003864] [2021-10-11 02:24:11,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:11,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:11,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:11,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:11,373 INFO L87 Difference]: Start difference. First operand 220 states and 307 transitions. Second operand 3 states. [2021-10-11 02:24:11,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:11,404 INFO L93 Difference]: Finished difference Result 220 states and 307 transitions. [2021-10-11 02:24:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:11,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2021-10-11 02:24:11,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:11,407 INFO L225 Difference]: With dead ends: 220 [2021-10-11 02:24:11,407 INFO L226 Difference]: Without dead ends: 218 [2021-10-11 02:24:11,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:11,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-11 02:24:11,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2021-10-11 02:24:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2021-10-11 02:24:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 305 transitions. [2021-10-11 02:24:11,454 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 305 transitions. Word has length 43 [2021-10-11 02:24:11,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:11,455 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 305 transitions. [2021-10-11 02:24:11,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:11,455 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 305 transitions. [2021-10-11 02:24:11,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-11 02:24:11,457 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:11,457 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] [2021-10-11 02:24:11,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt,6 mathsat -unsat_core_generation=3 [2021-10-11 02:24:11,858 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]=== [2021-10-11 02:24:11,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:11,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1170043569, now seen corresponding path program 1 times [2021-10-11 02:24:11,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:11,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317741706] [2021-10-11 02:24:11,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:13,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:13,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:13,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:13,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317741706] [2021-10-11 02:24:13,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [269849265] [2021-10-11 02:24:13,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:14,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:14,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:24:14,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:14,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:24:14,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 7 [2021-10-11 02:24:14,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048871450] [2021-10-11 02:24:14,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:14,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:14,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:14,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:14,457 INFO L87 Difference]: Start difference. First operand 218 states and 305 transitions. Second operand 3 states. [2021-10-11 02:24:14,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:14,471 INFO L93 Difference]: Finished difference Result 218 states and 305 transitions. [2021-10-11 02:24:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:14,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-10-11 02:24:14,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:14,474 INFO L225 Difference]: With dead ends: 218 [2021-10-11 02:24:14,475 INFO L226 Difference]: Without dead ends: 216 [2021-10-11 02:24:14,475 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 [2021-10-11 02:24:14,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-10-11 02:24:14,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2021-10-11 02:24:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2021-10-11 02:24:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 303 transitions. [2021-10-11 02:24:14,510 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 303 transitions. Word has length 44 [2021-10-11 02:24:14,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:14,510 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 303 transitions. [2021-10-11 02:24:14,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 303 transitions. [2021-10-11 02:24:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-11 02:24:14,513 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:14,513 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] [2021-10-11 02:24:14,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt,8 mathsat -unsat_core_generation=3 [2021-10-11 02:24:14,924 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]=== [2021-10-11 02:24:14,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:14,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1911618813, now seen corresponding path program 1 times [2021-10-11 02:24:14,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:14,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533914971] [2021-10-11 02:24:14,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:16,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:16,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:16,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:16,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533914971] [2021-10-11 02:24:16,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1086127976] [2021-10-11 02:24:16,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:17,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:17,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:24:17,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:17,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:24:17,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 7 [2021-10-11 02:24:17,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880291506] [2021-10-11 02:24:17,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:17,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:17,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:17,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:17,188 INFO L87 Difference]: Start difference. First operand 216 states and 303 transitions. Second operand 3 states. [2021-10-11 02:24:17,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:17,203 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2021-10-11 02:24:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:17,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-10-11 02:24:17,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:17,206 INFO L225 Difference]: With dead ends: 216 [2021-10-11 02:24:17,207 INFO L226 Difference]: Without dead ends: 214 [2021-10-11 02:24:17,207 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 [2021-10-11 02:24:17,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-10-11 02:24:17,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2021-10-11 02:24:17,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2021-10-11 02:24:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 301 transitions. [2021-10-11 02:24:17,226 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 301 transitions. Word has length 45 [2021-10-11 02:24:17,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:17,227 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 301 transitions. [2021-10-11 02:24:17,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 301 transitions. [2021-10-11 02:24:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-11 02:24:17,229 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:17,229 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] [2021-10-11 02:24:17,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:17,653 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]=== [2021-10-11 02:24:17,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:17,654 INFO L82 PathProgramCache]: Analyzing trace with hash -869352389, now seen corresponding path program 1 times [2021-10-11 02:24:17,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:17,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013204571] [2021-10-11 02:24:17,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:18,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:18,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:18,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:19,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013204571] [2021-10-11 02:24:19,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [771701438] [2021-10-11 02:24:19,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:20,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:20,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:24:20,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:20,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:24:20,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 7 [2021-10-11 02:24:20,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39119096] [2021-10-11 02:24:20,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:20,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:20,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:20,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:20,164 INFO L87 Difference]: Start difference. First operand 214 states and 301 transitions. Second operand 3 states. [2021-10-11 02:24:20,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:20,260 INFO L93 Difference]: Finished difference Result 573 states and 834 transitions. [2021-10-11 02:24:20,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:20,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-10-11 02:24:20,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:20,268 INFO L225 Difference]: With dead ends: 573 [2021-10-11 02:24:20,268 INFO L226 Difference]: Without dead ends: 384 [2021-10-11 02:24:20,269 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 [2021-10-11 02:24:20,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2021-10-11 02:24:20,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2021-10-11 02:24:20,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2021-10-11 02:24:20,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 552 transitions. [2021-10-11 02:24:20,304 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 552 transitions. Word has length 46 [2021-10-11 02:24:20,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:20,305 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 552 transitions. [2021-10-11 02:24:20,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 552 transitions. [2021-10-11 02:24:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-11 02:24:20,307 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:20,307 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] [2021-10-11 02:24:20,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2021-10-11 02:24:20,713 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]=== [2021-10-11 02:24:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:20,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2118188475, now seen corresponding path program 1 times [2021-10-11 02:24:20,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:20,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568204131] [2021-10-11 02:24:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:21,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:21,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 02:24:22,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 02:24:22,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568204131] [2021-10-11 02:24:22,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1939542569] [2021-10-11 02:24:22,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:22,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:22,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:24:23,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:23,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:24:23,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2021-10-11 02:24:23,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036435204] [2021-10-11 02:24:23,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:23,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:23,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:23,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:23,003 INFO L87 Difference]: Start difference. First operand 382 states and 552 transitions. Second operand 3 states. [2021-10-11 02:24:24,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:24,111 INFO L93 Difference]: Finished difference Result 733 states and 1072 transitions. [2021-10-11 02:24:24,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:24,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-10-11 02:24:24,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:24,117 INFO L225 Difference]: With dead ends: 733 [2021-10-11 02:24:24,118 INFO L226 Difference]: Without dead ends: 382 [2021-10-11 02:24:24,119 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 [2021-10-11 02:24:24,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-11 02:24:24,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2021-10-11 02:24:24,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2021-10-11 02:24:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 550 transitions. [2021-10-11 02:24:24,155 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 550 transitions. Word has length 67 [2021-10-11 02:24:24,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:24,155 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 550 transitions. [2021-10-11 02:24:24,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 550 transitions. [2021-10-11 02:24:24,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-11 02:24:24,157 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:24,157 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] [2021-10-11 02:24:24,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:24,581 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]=== [2021-10-11 02:24:24,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:24,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1998629966, now seen corresponding path program 1 times [2021-10-11 02:24:24,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:24,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843818461] [2021-10-11 02:24:24,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:25,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:25,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 02:24:25,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 02:24:26,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843818461] [2021-10-11 02:24:26,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1269928555] [2021-10-11 02:24:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:28,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:28,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 02:24:28,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 02:24:28,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028346944] [2021-10-11 02:24:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:29,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:24:29,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:24:29,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:29,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2021-10-11 02:24:29,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 4, 4] total 11 [2021-10-11 02:24:29,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218967031] [2021-10-11 02:24:29,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 02:24:29,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:29,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 02:24:29,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:24:29,374 INFO L87 Difference]: Start difference. First operand 382 states and 550 transitions. Second operand 7 states. [2021-10-11 02:24:29,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:29,688 INFO L93 Difference]: Finished difference Result 1384 states and 2053 transitions. [2021-10-11 02:24:29,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:24:29,689 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2021-10-11 02:24:29,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:29,696 INFO L225 Difference]: With dead ends: 1384 [2021-10-11 02:24:29,697 INFO L226 Difference]: Without dead ends: 1033 [2021-10-11 02:24:29,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 328 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-10-11 02:24:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2021-10-11 02:24:29,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 380. [2021-10-11 02:24:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2021-10-11 02:24:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 548 transitions. [2021-10-11 02:24:29,737 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 548 transitions. Word has length 68 [2021-10-11 02:24:29,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:29,737 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 548 transitions. [2021-10-11 02:24:29,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 02:24:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 548 transitions. [2021-10-11 02:24:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-11 02:24:29,739 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:29,739 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] [2021-10-11 02:24:30,365 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 [2021-10-11 02:24:30,365 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]=== [2021-10-11 02:24:30,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:30,366 INFO L82 PathProgramCache]: Analyzing trace with hash -398250249, now seen corresponding path program 1 times [2021-10-11 02:24:30,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:30,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572842640] [2021-10-11 02:24:30,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:31,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:31,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-11 02:24:31,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-11 02:24:31,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572842640] [2021-10-11 02:24:31,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [275978159] [2021-10-11 02:24:31,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:33,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:24:33,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-11 02:24:33,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-11 02:24:34,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8618756] [2021-10-11 02:24:34,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:34,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:24:34,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:24:34,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:34,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2021-10-11 02:24:34,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4, 4, 4] total 9 [2021-10-11 02:24:34,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874471435] [2021-10-11 02:24:34,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:24:34,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:34,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:24:34,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:24:34,927 INFO L87 Difference]: Start difference. First operand 380 states and 548 transitions. Second operand 5 states. [2021-10-11 02:24:35,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:35,054 INFO L93 Difference]: Finished difference Result 535 states and 784 transitions. [2021-10-11 02:24:35,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:24:35,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-10-11 02:24:35,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:35,058 INFO L225 Difference]: With dead ends: 535 [2021-10-11 02:24:35,058 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:24:35,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:24:35,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:24:35,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:24:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:24:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:24:35,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-10-11 02:24:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:35,061 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:24:35,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:24:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:24:35,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:24:35,677 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 [2021-10-11 02:24:35,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:24:36,892 INFO L262 CegarLoopResult]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2021-10-11 02:24:36,893 INFO L262 CegarLoopResult]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2021-10-11 02:24:36,893 INFO L262 CegarLoopResult]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-10-11 02:24:36,893 INFO L262 CegarLoopResult]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2021-10-11 02:24:36,893 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))) [2021-10-11 02:24:36,893 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 02:24:36,894 INFO L262 CegarLoopResult]: For program point L6213(line 6213) no Hoare annotation was computed. [2021-10-11 02:24:36,894 INFO L262 CegarLoopResult]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2021-10-11 02:24:36,894 INFO L262 CegarLoopResult]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2021-10-11 02:24:36,894 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)))) [2021-10-11 02:24:36,894 INFO L262 CegarLoopResult]: For program point L6050(line 6050) no Hoare annotation was computed. [2021-10-11 02:24:36,895 INFO L262 CegarLoopResult]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2021-10-11 02:24:36,895 INFO L262 CegarLoopResult]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 02:24:36,895 INFO L262 CegarLoopResult]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 02:24:36,895 INFO L262 CegarLoopResult]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 02:24:36,895 INFO L262 CegarLoopResult]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 02:24:36,895 INFO L262 CegarLoopResult]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 02:24:36,896 INFO L262 CegarLoopResult]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 02:24:36,896 INFO L262 CegarLoopResult]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 02:24:36,896 INFO L262 CegarLoopResult]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2021-10-11 02:24:36,896 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))) [2021-10-11 02:24:36,896 INFO L262 CegarLoopResult]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2021-10-11 02:24:36,897 INFO L262 CegarLoopResult]: For program point L5721(line 5721) no Hoare annotation was computed. [2021-10-11 02:24:36,897 INFO L262 CegarLoopResult]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2021-10-11 02:24:36,897 INFO L262 CegarLoopResult]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2021-10-11 02:24:36,897 INFO L262 CegarLoopResult]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2021-10-11 02:24:36,897 INFO L262 CegarLoopResult]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2021-10-11 02:24:36,897 INFO L262 CegarLoopResult]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2021-10-11 02:24:36,898 INFO L262 CegarLoopResult]: For program point L6184(line 6184) no Hoare annotation was computed. [2021-10-11 02:24:36,898 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))) [2021-10-11 02:24:36,898 INFO L265 CegarLoopResult]: At program point L6977(lines 6962 6983) the Hoare annotation is: true [2021-10-11 02:24:36,898 INFO L262 CegarLoopResult]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2021-10-11 02:24:36,898 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))) [2021-10-11 02:24:36,899 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))) [2021-10-11 02:24:36,899 INFO L262 CegarLoopResult]: For program point L6120(line 6120) no Hoare annotation was computed. [2021-10-11 02:24:36,899 INFO L262 CegarLoopResult]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2021-10-11 02:24:36,899 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 02:24:36,899 INFO L262 CegarLoopResult]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2021-10-11 02:24:36,899 INFO L262 CegarLoopResult]: For program point L6220(line 6220) no Hoare annotation was computed. [2021-10-11 02:24:36,900 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))) [2021-10-11 02:24:36,900 INFO L262 CegarLoopResult]: For program point L6188(line 6188) no Hoare annotation was computed. [2021-10-11 02:24:36,900 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 02:24:36,900 INFO L262 CegarLoopResult]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2021-10-11 02:24:36,900 INFO L262 CegarLoopResult]: For program point L6057(line 6057) no Hoare annotation was computed. [2021-10-11 02:24:36,901 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 02:24:36,901 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))) [2021-10-11 02:24:36,901 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))) [2021-10-11 02:24:36,901 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))) [2021-10-11 02:24:36,901 INFO L262 CegarLoopResult]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2021-10-11 02:24:36,902 INFO L262 CegarLoopResult]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2021-10-11 02:24:36,902 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))))) [2021-10-11 02:24:36,902 INFO L265 CegarLoopResult]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2021-10-11 02:24:36,902 INFO L265 CegarLoopResult]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2021-10-11 02:24:36,903 INFO L265 CegarLoopResult]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2021-10-11 02:24:36,903 INFO L265 CegarLoopResult]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2021-10-11 02:24:36,903 INFO L265 CegarLoopResult]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2021-10-11 02:24:36,903 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 02:24:36,903 INFO L265 CegarLoopResult]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2021-10-11 02:24:36,903 INFO L265 CegarLoopResult]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2021-10-11 02:24:36,904 INFO L265 CegarLoopResult]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2021-10-11 02:24:36,904 INFO L265 CegarLoopResult]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2021-10-11 02:24:36,904 INFO L262 CegarLoopResult]: For program point L6159(line 6159) no Hoare annotation was computed. [2021-10-11 02:24:36,904 INFO L262 CegarLoopResult]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2021-10-11 02:24:36,904 INFO L262 CegarLoopResult]: For program point L6093(line 6093) no Hoare annotation was computed. [2021-10-11 02:24:36,905 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))) [2021-10-11 02:24:36,905 INFO L262 CegarLoopResult]: For program point L6127(line 6127) no Hoare annotation was computed. [2021-10-11 02:24:36,905 INFO L262 CegarLoopResult]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2021-10-11 02:24:36,905 INFO L262 CegarLoopResult]: For program point L6028(line 6028) no Hoare annotation was computed. [2021-10-11 02:24:36,905 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))) [2021-10-11 02:24:36,905 INFO L265 CegarLoopResult]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2021-10-11 02:24:36,906 INFO L262 CegarLoopResult]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2021-10-11 02:24:36,906 INFO L262 CegarLoopResult]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2021-10-11 02:24:36,906 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))) [2021-10-11 02:24:36,906 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))) [2021-10-11 02:24:36,906 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))) [2021-10-11 02:24:36,907 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))) [2021-10-11 02:24:36,907 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))) [2021-10-11 02:24:36,907 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))) [2021-10-11 02:24:36,907 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))) [2021-10-11 02:24:36,908 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))) [2021-10-11 02:24:36,908 INFO L262 CegarLoopResult]: For program point L6195(line 6195) no Hoare annotation was computed. [2021-10-11 02:24:36,908 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))) [2021-10-11 02:24:36,908 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))) [2021-10-11 02:24:36,908 INFO L262 CegarLoopResult]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2021-10-11 02:24:36,909 INFO L262 CegarLoopResult]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2021-10-11 02:24:36,909 INFO L262 CegarLoopResult]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2021-10-11 02:24:36,909 INFO L262 CegarLoopResult]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2021-10-11 02:24:36,909 INFO L262 CegarLoopResult]: For program point L6064(line 6064) no Hoare annotation was computed. [2021-10-11 02:24:36,909 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,910 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)))))) [2021-10-11 02:24:36,910 INFO L262 CegarLoopResult]: For program point L6131(line 6131) no Hoare annotation was computed. [2021-10-11 02:24:36,910 INFO L262 CegarLoopResult]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2021-10-11 02:24:36,910 INFO L262 CegarLoopResult]: For program point L6032(line 6032) no Hoare annotation was computed. [2021-10-11 02:24:36,910 INFO L262 CegarLoopResult]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2021-10-11 02:24:36,910 INFO L262 CegarLoopResult]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2021-10-11 02:24:36,911 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))) [2021-10-11 02:24:36,911 INFO L262 CegarLoopResult]: For program point L6166(line 6166) no Hoare annotation was computed. [2021-10-11 02:24:36,911 INFO L262 CegarLoopResult]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2021-10-11 02:24:36,911 INFO L262 CegarLoopResult]: For program point L6100(line 6100) no Hoare annotation was computed. [2021-10-11 02:24:36,911 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))) [2021-10-11 02:24:36,912 INFO L262 CegarLoopResult]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2021-10-11 02:24:36,912 INFO L262 CegarLoopResult]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2021-10-11 02:24:36,912 INFO L262 CegarLoopResult]: For program point L6332(line 6332) no Hoare annotation was computed. [2021-10-11 02:24:36,912 INFO L262 CegarLoopResult]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2021-10-11 02:24:36,912 INFO L262 CegarLoopResult]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2021-10-11 02:24:36,912 INFO L262 CegarLoopResult]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2021-10-11 02:24:36,912 INFO L262 CegarLoopResult]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2021-10-11 02:24:36,913 INFO L262 CegarLoopResult]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2021-10-11 02:24:36,913 INFO L262 CegarLoopResult]: For program point L6068(line 6068) no Hoare annotation was computed. [2021-10-11 02:24:36,913 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))) [2021-10-11 02:24:36,913 INFO L262 CegarLoopResult]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2021-10-11 02:24:36,913 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,914 INFO L262 CegarLoopResult]: For program point L6202(line 6202) no Hoare annotation was computed. [2021-10-11 02:24:36,914 INFO L262 CegarLoopResult]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2021-10-11 02:24:36,914 INFO L262 CegarLoopResult]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2021-10-11 02:24:36,914 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))) [2021-10-11 02:24:36,914 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))) [2021-10-11 02:24:36,915 INFO L262 CegarLoopResult]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2021-10-11 02:24:36,915 INFO L262 CegarLoopResult]: For program point L6170(line 6170) no Hoare annotation was computed. [2021-10-11 02:24:36,915 INFO L262 CegarLoopResult]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2021-10-11 02:24:36,915 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))) [2021-10-11 02:24:36,915 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))) [2021-10-11 02:24:36,916 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))) [2021-10-11 02:24:36,916 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))) [2021-10-11 02:24:36,916 INFO L262 CegarLoopResult]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2021-10-11 02:24:36,916 INFO L262 CegarLoopResult]: For program point L6039(line 6039) no Hoare annotation was computed. [2021-10-11 02:24:36,916 INFO L262 CegarLoopResult]: For program point L6139(line 6139) no Hoare annotation was computed. [2021-10-11 02:24:36,916 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,917 INFO L262 CegarLoopResult]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2021-10-11 02:24:36,917 INFO L262 CegarLoopResult]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2021-10-11 02:24:36,917 INFO L262 CegarLoopResult]: For program point L6206(line 6206) no Hoare annotation was computed. [2021-10-11 02:24:36,917 INFO L262 CegarLoopResult]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2021-10-11 02:24:36,917 INFO L262 CegarLoopResult]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2021-10-11 02:24:36,918 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))) [2021-10-11 02:24:36,918 INFO L262 CegarLoopResult]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2021-10-11 02:24:36,918 INFO L262 CegarLoopResult]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2021-10-11 02:24:36,918 INFO L262 CegarLoopResult]: For program point L6110(line 6110) no Hoare annotation was computed. [2021-10-11 02:24:36,918 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,918 INFO L262 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,918 INFO L262 CegarLoopResult]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,919 INFO L262 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,919 INFO L262 CegarLoopResult]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,919 INFO L262 CegarLoopResult]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,919 INFO L262 CegarLoopResult]: For program point L-1-6(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,919 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 02:24:36,919 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))) [2021-10-11 02:24:36,920 INFO L262 CegarLoopResult]: For program point L-1-9(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,951 INFO L262 CegarLoopResult]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2021-10-11 02:24:36,951 INFO L262 CegarLoopResult]: For program point L-1-10(line -1) no Hoare annotation was computed. [2021-10-11 02:24:36,952 INFO L262 CegarLoopResult]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2021-10-11 02:24:36,952 INFO L262 CegarLoopResult]: For program point L6177(line 6177) no Hoare annotation was computed. [2021-10-11 02:24:36,952 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))) [2021-10-11 02:24:36,952 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))) [2021-10-11 02:24:36,952 INFO L262 CegarLoopResult]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2021-10-11 02:24:36,952 INFO L262 CegarLoopResult]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2021-10-11 02:24:36,952 INFO L262 CegarLoopResult]: For program point L6079(line 6079) no Hoare annotation was computed. [2021-10-11 02:24:36,952 INFO L262 CegarLoopResult]: For program point L6046(line 6046) no Hoare annotation was computed. [2021-10-11 02:24:36,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:36 BoogieIcfgContainer [2021-10-11 02:24:36,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:36,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:36,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:36,994 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:36,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:01" (3/4) ... [2021-10-11 02:24:36,999 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:24:37,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-10-11 02:24:37,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-11 02:24:37,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-11 02:24:37,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:37,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:37,093 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) [2021-10-11 02:24:37,094 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)) [2021-10-11 02:24:37,094 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) [2021-10-11 02:24:37,094 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 [2021-10-11 02:24:37,095 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 [2021-10-11 02:24:37,520 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e8b9f3-8050-42d1-855a-47c2860f0d18/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:37,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:37,522 INFO L168 Benchmark]: Toolchain (without parser) took 43032.35 ms. Allocated memory was 67.1 MB in the beginning and 453.0 MB in the end (delta: 385.9 MB). Free memory was 38.4 MB in the beginning and 235.1 MB in the end (delta: -196.7 MB). Peak memory consumption was 186.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:37,523 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 67.1 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:37,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2827.34 ms. Allocated memory was 67.1 MB in the beginning and 121.6 MB in the end (delta: 54.5 MB). Free memory was 38.3 MB in the beginning and 44.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:37,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 265.00 ms. Allocated memory is still 121.6 MB. Free memory was 44.7 MB in the beginning and 58.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:37,524 INFO L168 Benchmark]: Boogie Preprocessor took 180.57 ms. Allocated memory is still 121.6 MB. Free memory was 58.3 MB in the beginning and 48.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:37,525 INFO L168 Benchmark]: RCFGBuilder took 3768.01 ms. Allocated memory was 121.6 MB in the beginning and 287.3 MB in the end (delta: 165.7 MB). Free memory was 48.3 MB in the beginning and 229.4 MB in the end (delta: -181.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:37,525 INFO L168 Benchmark]: TraceAbstraction took 35442.21 ms. Allocated memory was 287.3 MB in the beginning and 453.0 MB in the end (delta: 165.7 MB). Free memory was 229.4 MB in the beginning and 392.3 MB in the end (delta: -162.9 MB). Peak memory consumption was 261.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:37,526 INFO L168 Benchmark]: Witness Printer took 526.39 ms. Allocated memory is still 453.0 MB. Free memory was 392.3 MB in the beginning and 235.1 MB in the end (delta: 157.2 MB). Peak memory consumption was 153.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:37,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 67.1 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2827.34 ms. Allocated memory was 67.1 MB in the beginning and 121.6 MB in the end (delta: 54.5 MB). Free memory was 38.3 MB in the beginning and 44.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 265.00 ms. Allocated memory is still 121.6 MB. Free memory was 44.7 MB in the beginning and 58.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 180.57 ms. Allocated memory is still 121.6 MB. Free memory was 58.3 MB in the beginning and 48.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3768.01 ms. Allocated memory was 121.6 MB in the beginning and 287.3 MB in the end (delta: 165.7 MB). Free memory was 48.3 MB in the beginning and 229.4 MB in the end (delta: -181.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35442.21 ms. Allocated memory was 287.3 MB in the beginning and 453.0 MB in the end (delta: 165.7 MB). Free memory was 229.4 MB in the beginning and 392.3 MB in the end (delta: -162.9 MB). Peak memory consumption was 261.8 MB. Max. memory is 16.1 GB. * Witness Printer took 526.39 ms. Allocated memory is still 453.0 MB. Free memory was 392.3 MB in the beginning and 235.1 MB in the end (delta: 157.2 MB). Peak memory consumption was 153.1 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: 34.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2389 SDtfs, 2426 SDslu, 2919 SDs, 0 SdLazy, 79 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1619 GetRequests, 1564 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 669 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 48 PreInvPairs, 148 NumberOfFragments, 922 HoareAnnotationTreeSize, 48 FomulaSimplifications, 6532 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.0s SsaConstructionTime, 17.3s SatisfiabilityAnalysisTime, 4.2s 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...