./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:35:10,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:35:10,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:35:10,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:35:10,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:35:10,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:35:10,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:35:10,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:35:10,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:35:10,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:35:10,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:35:10,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:35:10,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:35:10,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:35:10,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:35:10,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:35:10,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:35:10,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:35:10,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:35:10,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:35:10,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:35:10,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:35:10,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:35:10,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:35:10,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:35:10,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:35:10,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:35:10,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:35:10,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:35:10,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:35:10,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:35:10,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:35:10,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:35:10,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:35:10,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:35:10,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:35:10,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:35:10,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:35:10,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:35:10,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:35:10,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:35:10,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:35:10,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:35:10,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:35:10,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:35:10,458 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:35:10,459 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:35:10,459 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:35:10,459 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:35:10,460 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:35:10,463 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:35:10,463 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:35:10,464 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:35:10,464 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:35:10,464 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:35:10,464 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:35:10,464 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:35:10,465 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:35:10,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:35:10,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:35:10,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:35:10,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:35:10,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:35:10,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:35:10,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:35:10,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:35:10,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:35:10,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:35:10,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:35:10,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:35:10,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:35:10,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:35:10,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:35:10,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:35:10,468 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:35:10,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:35:10,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:35:10,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:35:10,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:35:10,469 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_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2021-11-13 02:35:10,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:35:10,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:35:10,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:35:10,780 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:35:10,781 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:35:10,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2021-11-13 02:35:10,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data/627df12ed/2051f2f660274b508397e5ac79a7357e/FLAG566199078 [2021-11-13 02:35:11,824 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:35:11,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2021-11-13 02:35:11,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data/627df12ed/2051f2f660274b508397e5ac79a7357e/FLAG566199078 [2021-11-13 02:35:12,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data/627df12ed/2051f2f660274b508397e5ac79a7357e [2021-11-13 02:35:12,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:35:12,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:35:12,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:12,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:35:12,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:35:12,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:12" (1/1) ... [2021-11-13 02:35:12,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407c9dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:12, skipping insertion in model container [2021-11-13 02:35:12,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:12" (1/1) ... [2021-11-13 02:35:12,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:35:12,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:35:13,577 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:13,647 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:13,655 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:13,729 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:13,787 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:13,796 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:13,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2021-11-13 02:35:13,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:14,000 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 02:35:14,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e91adc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:14, skipping insertion in model container [2021-11-13 02:35:14,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:14,002 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:35:14,005 INFO L158 Benchmark]: Toolchain (without parser) took 1742.70ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 55.4MB in the beginning and 60.6MB in the end (delta: -5.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-13 02:35:14,006 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 51.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:35:14,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1738.45ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 55.2MB in the beginning and 60.6MB in the end (delta: -5.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-13 02:35:14,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 51.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1738.45ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 55.2MB in the beginning and 60.6MB in the end (delta: -5.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6619]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:35:16,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:35:16,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:35:16,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:35:16,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:35:16,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:35:16,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:35:16,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:35:16,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:35:16,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:35:16,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:35:16,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:35:16,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:35:16,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:35:16,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:35:16,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:35:16,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:35:16,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:35:16,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:35:16,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:35:16,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:35:16,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:35:16,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:35:16,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:35:16,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:35:16,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:35:16,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:35:16,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:35:16,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:35:16,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:35:16,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:35:16,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:35:16,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:35:16,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:35:16,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:35:16,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:35:16,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:35:16,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:35:16,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:35:16,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:35:16,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:35:16,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:35:16,521 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:35:16,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:35:16,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:35:16,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:35:16,523 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:35:16,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:35:16,524 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:35:16,524 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:35:16,524 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:35:16,525 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:35:16,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:35:16,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:35:16,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:35:16,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:35:16,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:35:16,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:35:16,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:35:16,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:35:16,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:35:16,528 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:35:16,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:35:16,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:35:16,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:35:16,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:35:16,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:35:16,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:35:16,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:35:16,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:35:16,530 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:35:16,530 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:35:16,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:35:16,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:35:16,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:35:16,531 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_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2021-11-13 02:35:16,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:35:16,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:35:16,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:35:16,982 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:35:16,983 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:35:16,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2021-11-13 02:35:17,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data/8b4649150/daa0389796204e43b4c9a57c798fac61/FLAG6d58f127c [2021-11-13 02:35:18,058 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:35:18,060 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2021-11-13 02:35:18,107 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data/8b4649150/daa0389796204e43b4c9a57c798fac61/FLAG6d58f127c [2021-11-13 02:35:18,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/data/8b4649150/daa0389796204e43b4c9a57c798fac61 [2021-11-13 02:35:18,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:35:18,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:35:18,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:18,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:35:18,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:35:18,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:18" (1/1) ... [2021-11-13 02:35:18,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce81905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:18, skipping insertion in model container [2021-11-13 02:35:18,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:18" (1/1) ... [2021-11-13 02:35:18,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:35:18,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:35:19,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2021-11-13 02:35:19,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:19,971 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:35:20,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:35:20,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2021-11-13 02:35:20,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:20,388 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:35:20,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2021-11-13 02:35:20,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:20,925 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:35:20,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20 WrapperNode [2021-11-13 02:35:20,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:20,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:35:20,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:35:20,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:35:20,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:35:21,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:35:21,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:35:21,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:35:21,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:35:21,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:35:21,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:35:21,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:35:21,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (1/1) ... [2021-11-13 02:35:21,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:35:21,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:35:21,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:35:21,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:35:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 02:35:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 02:35:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2021-11-13 02:35:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2021-11-13 02:35:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-13 02:35:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-13 02:35:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:35:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:35:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:35:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-13 02:35:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-13 02:35:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:35:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:35:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2021-11-13 02:35:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2021-11-13 02:35:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 02:35:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 02:35:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:35:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:35:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2021-11-13 02:35:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2021-11-13 02:35:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:35:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:35:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:35:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:35:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2021-11-13 02:35:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2021-11-13 02:35:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:35:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:35:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 02:35:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:35:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:35:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:35:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-13 02:35:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-13 02:35:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:35:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:35:30,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:35:30,192 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:35:30,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:35:30 BoogieIcfgContainer [2021-11-13 02:35:30,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:35:30,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:35:30,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:35:30,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:35:30,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:35:18" (1/3) ... [2021-11-13 02:35:30,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663ad140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:35:30, skipping insertion in model container [2021-11-13 02:35:30,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:20" (2/3) ... [2021-11-13 02:35:30,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663ad140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:35:30, skipping insertion in model container [2021-11-13 02:35:30,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:35:30" (3/3) ... [2021-11-13 02:35:30,203 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2021-11-13 02:35:30,209 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:35:30,209 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:35:30,278 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:35:30,294 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:35:30,294 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:35:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 180 states have internal predecessors, (236), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-13 02:35:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 02:35:30,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:30,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:30,332 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:35:30,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:30,342 INFO L85 PathProgramCache]: Analyzing trace with hash -909872192, now seen corresponding path program 1 times [2021-11-13 02:35:30,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:30,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793435876] [2021-11-13 02:35:30,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:30,359 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:30,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:30,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:30,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:35:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:30,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:35:30,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:31,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:31,111 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:31,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793435876] [2021-11-13 02:35:31,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1793435876] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:31,112 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:31,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:35:31,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433895729] [2021-11-13 02:35:31,116 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:31,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:35:31,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:31,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:35:31,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:35:31,153 INFO L87 Difference]: Start difference. First operand has 211 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 180 states have internal predecessors, (236), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:33,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:35:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:33,634 INFO L93 Difference]: Finished difference Result 788 states and 1070 transitions. [2021-11-13 02:35:33,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-13 02:35:33,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:33,657 INFO L225 Difference]: With dead ends: 788 [2021-11-13 02:35:33,657 INFO L226 Difference]: Without dead ends: 573 [2021-11-13 02:35:33,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:35:33,666 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 508 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2290.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.28ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2348.62ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:33,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 1034 Invalid, 76 Unknown, 0 Unchecked, 12.28ms Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 2348.62ms Time] [2021-11-13 02:35:33,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2021-11-13 02:35:33,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2021-11-13 02:35:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 476 states have (on average 1.3487394957983194) internal successors, (642), 484 states have internal predecessors, (642), 66 states have call successors, (66), 31 states have call predecessors, (66), 30 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-11-13 02:35:33,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 771 transitions. [2021-11-13 02:35:33,823 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 771 transitions. Word has length 16 [2021-11-13 02:35:33,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:33,823 INFO L470 AbstractCegarLoop]: Abstraction has 573 states and 771 transitions. [2021-11-13 02:35:33,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 771 transitions. [2021-11-13 02:35:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 02:35:33,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:33,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:33,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:34,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:34,043 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:35:34,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:34,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1535428780, now seen corresponding path program 1 times [2021-11-13 02:35:34,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:34,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46158799] [2021-11-13 02:35:34,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:34,046 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:34,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:34,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:34,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:35:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:34,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:35:34,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:34,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:34,693 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:34,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46158799] [2021-11-13 02:35:34,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46158799] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:34,693 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:34,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:35:34,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77731285] [2021-11-13 02:35:34,694 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:34,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:35:34,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:34,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:35:34,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:35:34,697 INFO L87 Difference]: Start difference. First operand 573 states and 771 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:34,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:34,823 INFO L93 Difference]: Finished difference Result 591 states and 791 transitions. [2021-11-13 02:35:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:35:34,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-13 02:35:34,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:34,833 INFO L225 Difference]: With dead ends: 591 [2021-11-13 02:35:34,833 INFO L226 Difference]: Without dead ends: 582 [2021-11-13 02:35:34,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:35:34,838 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 268 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.18ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.81ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:34,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 292 Invalid, 6 Unknown, 0 Unchecked, 2.18ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 84.81ms Time] [2021-11-13 02:35:34,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-11-13 02:35:34,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 573. [2021-11-13 02:35:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 476 states have (on average 1.346638655462185) internal successors, (641), 484 states have internal predecessors, (641), 66 states have call successors, (66), 31 states have call predecessors, (66), 30 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-11-13 02:35:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 770 transitions. [2021-11-13 02:35:34,911 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 770 transitions. Word has length 19 [2021-11-13 02:35:34,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:34,911 INFO L470 AbstractCegarLoop]: Abstraction has 573 states and 770 transitions. [2021-11-13 02:35:34,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 770 transitions. [2021-11-13 02:35:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 02:35:34,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:34,913 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:34,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:35,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:35,126 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:35:35,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:35,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1478170478, now seen corresponding path program 1 times [2021-11-13 02:35:35,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:35,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482248867] [2021-11-13 02:35:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:35,129 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:35,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:35,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:35:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:35,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:35:35,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:35,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:35,814 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:35,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482248867] [2021-11-13 02:35:35,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482248867] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:35,815 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:35,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:35:35,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801868832] [2021-11-13 02:35:35,815 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:35,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:35:35,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:35,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:35:35,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:35:35,816 INFO L87 Difference]: Start difference. First operand 573 states and 770 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:37,874 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:35:37,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:37,929 INFO L93 Difference]: Finished difference Result 575 states and 771 transitions. [2021-11-13 02:35:37,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:35:37,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-13 02:35:37,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:37,934 INFO L225 Difference]: With dead ends: 575 [2021-11-13 02:35:37,934 INFO L226 Difference]: Without dead ends: 572 [2021-11-13 02:35:37,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:35:37,936 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 255 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2058.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2077.71ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:37,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 270 Invalid, 2 Unknown, 0 Unchecked, 1.92ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2077.71ms Time] [2021-11-13 02:35:37,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2021-11-13 02:35:37,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2021-11-13 02:35:37,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 476 states have (on average 1.3445378151260505) internal successors, (640), 483 states have internal predecessors, (640), 65 states have call successors, (65), 31 states have call predecessors, (65), 30 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-11-13 02:35:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 768 transitions. [2021-11-13 02:35:37,979 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 768 transitions. Word has length 19 [2021-11-13 02:35:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:37,979 INFO L470 AbstractCegarLoop]: Abstraction has 572 states and 768 transitions. [2021-11-13 02:35:37,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 768 transitions. [2021-11-13 02:35:37,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 02:35:37,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:37,981 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:38,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:38,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:38,202 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:35:38,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:38,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1421258643, now seen corresponding path program 1 times [2021-11-13 02:35:38,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:38,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630792404] [2021-11-13 02:35:38,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:38,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:38,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:38,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:38,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:35:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:38,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:35:38,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:38,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:38,817 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:38,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630792404] [2021-11-13 02:35:38,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630792404] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:38,817 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:38,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:35:38,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961531260] [2021-11-13 02:35:38,818 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:38,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:35:38,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:38,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:35:38,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:35:38,819 INFO L87 Difference]: Start difference. First operand 572 states and 768 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:40,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:35:40,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:40,923 INFO L93 Difference]: Finished difference Result 574 states and 769 transitions. [2021-11-13 02:35:40,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:35:40,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-13 02:35:40,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:40,928 INFO L225 Difference]: With dead ends: 574 [2021-11-13 02:35:40,928 INFO L226 Difference]: Without dead ends: 571 [2021-11-13 02:35:40,929 INFO L932 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 [2021-11-13 02:35:40,930 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 252 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2047.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.86ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2066.00ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:40,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 268 Invalid, 2 Unknown, 0 Unchecked, 1.86ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2066.00ms Time] [2021-11-13 02:35:40,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-11-13 02:35:40,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2021-11-13 02:35:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 476 states have (on average 1.3424369747899159) internal successors, (639), 482 states have internal predecessors, (639), 64 states have call successors, (64), 31 states have call predecessors, (64), 30 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-11-13 02:35:40,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 766 transitions. [2021-11-13 02:35:40,980 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 766 transitions. Word has length 20 [2021-11-13 02:35:40,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:40,980 INFO L470 AbstractCegarLoop]: Abstraction has 571 states and 766 transitions. [2021-11-13 02:35:40,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 766 transitions. [2021-11-13 02:35:40,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 02:35:40,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:40,982 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:41,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-13 02:35:41,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:41,195 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:35:41,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:41,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1109253045, now seen corresponding path program 1 times [2021-11-13 02:35:41,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:41,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925436253] [2021-11-13 02:35:41,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:41,197 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:41,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:41,198 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:41,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:35:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:41,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:35:41,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:41,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:35:41,816 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:41,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925436253] [2021-11-13 02:35:41,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925436253] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:41,817 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:41,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:35:41,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666314148] [2021-11-13 02:35:41,817 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:41,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:35:41,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:41,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:35:41,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:35:41,818 INFO L87 Difference]: Start difference. First operand 571 states and 766 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:43,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:35:43,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:43,921 INFO L93 Difference]: Finished difference Result 571 states and 766 transitions. [2021-11-13 02:35:43,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:35:43,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-13 02:35:43,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:43,938 INFO L225 Difference]: With dead ends: 571 [2021-11-13 02:35:43,938 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 02:35:43,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:35:43,942 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 248 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2049.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2050.00ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:43,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 266 Invalid, 1 Unknown, 0 Unchecked, 1.79ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 2050.00ms Time] [2021-11-13 02:35:43,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 02:35:43,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 02:35:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 02:35:43,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-11-13 02:35:43,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:43,945 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 02:35:43,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:35:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 02:35:43,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 02:35:43,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 02:35:43,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-13 02:35:44,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:44,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 02:35:47,587 INFO L858 garLoopResultBuilder]: For program point L6655(line 6655) no Hoare annotation was computed. [2021-11-13 02:35:47,588 INFO L858 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2021-11-13 02:35:47,588 INFO L861 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2021-11-13 02:35:47,588 INFO L858 garLoopResultBuilder]: For program point L6655-2(lines 6655 6659) no Hoare annotation was computed. [2021-11-13 02:35:47,592 INFO L858 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2021-11-13 02:35:47,592 INFO L861 garLoopResultBuilder]: At program point get_dma_opsENTRY(lines 6650 6661) the Hoare annotation is: true [2021-11-13 02:35:47,593 INFO L858 garLoopResultBuilder]: For program point get_dma_opsFINAL(lines 6650 6661) no Hoare annotation was computed. [2021-11-13 02:35:47,594 INFO L861 garLoopResultBuilder]: At program point flexcop_device_exitENTRY(lines 8042 8044) the Hoare annotation is: true [2021-11-13 02:35:47,594 INFO L858 garLoopResultBuilder]: For program point flexcop_device_exitFINAL(lines 8042 8044) no Hoare annotation was computed. [2021-11-13 02:35:47,596 INFO L858 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2021-11-13 02:35:47,596 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbFINAL(lines 8107 8109) no Hoare annotation was computed. [2021-11-13 02:35:47,596 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2021-11-13 02:35:47,597 INFO L861 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8107 8109) the Hoare annotation is: true [2021-11-13 02:35:47,597 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7668 7673) no Hoare annotation was computed. [2021-11-13 02:35:47,597 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 7668 7673) the Hoare annotation is: true [2021-11-13 02:35:47,597 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2021-11-13 02:35:47,597 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2021-11-13 02:35:47,597 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7675 7680) no Hoare annotation was computed. [2021-11-13 02:35:47,598 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 7675 7680) the Hoare annotation is: true [2021-11-13 02:35:47,598 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2021-11-13 02:35:47,598 INFO L861 garLoopResultBuilder]: At program point flexcop_device_kfreeENTRY(lines 8049 8051) the Hoare annotation is: true [2021-11-13 02:35:47,598 INFO L858 garLoopResultBuilder]: For program point flexcop_device_kfreeFINAL(lines 8049 8051) no Hoare annotation was computed. [2021-11-13 02:35:47,598 INFO L858 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2021-11-13 02:35:47,598 INFO L861 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6608 6614) the Hoare annotation is: true [2021-11-13 02:35:47,599 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataFINAL(lines 6608 6614) no Hoare annotation was computed. [2021-11-13 02:35:47,599 INFO L861 garLoopResultBuilder]: At program point L8040(lines 8039 8041) the Hoare annotation is: true [2021-11-13 02:35:47,599 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2021-11-13 02:35:47,599 INFO L858 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2021-11-13 02:35:47,599 INFO L861 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2021-11-13 02:35:47,599 INFO L861 garLoopResultBuilder]: At program point L6749-2(lines 6727 6757) the Hoare annotation is: true [2021-11-13 02:35:47,600 INFO L858 garLoopResultBuilder]: For program point L6749(lines 6749 6754) no Hoare annotation was computed. [2021-11-13 02:35:47,600 INFO L858 garLoopResultBuilder]: For program point L7224-2(lines 7224 7227) no Hoare annotation was computed. [2021-11-13 02:35:47,600 INFO L858 garLoopResultBuilder]: For program point L7224(lines 7224 7227) no Hoare annotation was computed. [2021-11-13 02:35:47,600 INFO L858 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2021-11-13 02:35:47,600 INFO L861 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2021-11-13 02:35:47,600 INFO L861 garLoopResultBuilder]: At program point L6568(lines 6541 6570) the Hoare annotation is: true [2021-11-13 02:35:47,601 INFO L861 garLoopResultBuilder]: At program point L7237(lines 7219 7246) the Hoare annotation is: true [2021-11-13 02:35:47,601 INFO L861 garLoopResultBuilder]: At program point L8096(lines 8095 8097) the Hoare annotation is: true [2021-11-13 02:35:47,601 INFO L861 garLoopResultBuilder]: At program point L6560(lines 6557 6562) the Hoare annotation is: true [2021-11-13 02:35:47,601 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 02:35:47,601 INFO L861 garLoopResultBuilder]: At program point L7233(lines 7219 7246) the Hoare annotation is: true [2021-11-13 02:35:47,601 INFO L861 garLoopResultBuilder]: At program point L8026(lines 8025 8027) the Hoare annotation is: true [2021-11-13 02:35:47,601 INFO L858 garLoopResultBuilder]: For program point L6742(lines 6742 6746) no Hoare annotation was computed. [2021-11-13 02:35:47,602 INFO L858 garLoopResultBuilder]: For program point L6775(lines 6775 6779) no Hoare annotation was computed. [2021-11-13 02:35:47,602 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2021-11-13 02:35:47,602 INFO L861 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2021-11-13 02:35:47,602 INFO L858 garLoopResultBuilder]: For program point L6775-2(lines 6775 6779) no Hoare annotation was computed. [2021-11-13 02:35:47,603 INFO L858 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2021-11-13 02:35:47,603 INFO L861 garLoopResultBuilder]: At program point L8093(lines 8092 8094) the Hoare annotation is: true [2021-11-13 02:35:47,604 INFO L858 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2021-11-13 02:35:47,605 INFO L861 garLoopResultBuilder]: At program point L6574(lines 6571 6576) the Hoare annotation is: true [2021-11-13 02:35:47,605 INFO L861 garLoopResultBuilder]: At program point flexcop_usb_transfer_exitENTRY(lines 7217 7247) the Hoare annotation is: true [2021-11-13 02:35:47,606 INFO L861 garLoopResultBuilder]: At program point L7235(lines 7219 7246) the Hoare annotation is: true [2021-11-13 02:35:47,606 INFO L861 garLoopResultBuilder]: At program point L6781(lines 6771 6783) the Hoare annotation is: true [2021-11-13 02:35:47,606 INFO L858 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2021-11-13 02:35:47,607 INFO L858 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2021-11-13 02:35:47,613 INFO L858 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2021-11-13 02:35:47,614 INFO L861 garLoopResultBuilder]: At program point L8111(lines 8110 8112) the Hoare annotation is: true [2021-11-13 02:35:47,614 INFO L861 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2021-11-13 02:35:47,614 INFO L858 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2021-11-13 02:35:47,614 INFO L858 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2021-11-13 02:35:47,614 INFO L861 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6634 6639) the Hoare annotation is: true [2021-11-13 02:35:47,615 INFO L858 garLoopResultBuilder]: For program point __create_pipeFINAL(lines 6634 6639) no Hoare annotation was computed. [2021-11-13 02:35:47,615 INFO L858 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2021-11-13 02:35:47,615 INFO L858 garLoopResultBuilder]: For program point L8032(line 8032) no Hoare annotation was computed. [2021-11-13 02:35:47,616 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 8030 8034) the Hoare annotation is: true [2021-11-13 02:35:47,616 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 8030 8034) no Hoare annotation was computed. [2021-11-13 02:35:47,616 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2021-11-13 02:35:47,616 INFO L861 garLoopResultBuilder]: At program point flexcop_usb_exitENTRY(lines 7382 7388) the Hoare annotation is: true [2021-11-13 02:35:47,617 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2021-11-13 02:35:47,617 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_exitFINAL(lines 7382 7388) no Hoare annotation was computed. [2021-11-13 02:35:47,617 INFO L858 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2021-11-13 02:35:47,617 INFO L861 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2021-11-13 02:35:47,617 INFO L858 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2021-11-13 02:35:47,617 INFO L854 garLoopResultBuilder]: At program point L7451(line 7451) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,618 INFO L858 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2021-11-13 02:35:47,618 INFO L854 garLoopResultBuilder]: At program point L7286(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,618 INFO L854 garLoopResultBuilder]: At program point L6675(lines 6662 6677) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,618 INFO L858 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2021-11-13 02:35:47,618 INFO L854 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2021-11-13 02:35:47,618 INFO L858 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2021-11-13 02:35:47,618 INFO L858 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2021-11-13 02:35:47,619 INFO L854 garLoopResultBuilder]: At program point L6692(lines 6678 6694) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,619 INFO L858 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2021-11-13 02:35:47,619 INFO L854 garLoopResultBuilder]: At program point L8063(lines 8062 8064) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,619 INFO L854 garLoopResultBuilder]: At program point L7584(lines 7501 7586) the Hoare annotation is: (not (= (_ bv3 32) ~ldv_state_variable_0~0)) [2021-11-13 02:35:47,619 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 02:35:47,619 INFO L858 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2021-11-13 02:35:47,620 INFO L854 garLoopResultBuilder]: At program point L7452(line 7452) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,620 INFO L854 garLoopResultBuilder]: At program point L7485(lines 7481 7487) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,620 INFO L858 garLoopResultBuilder]: For program point L6643(line 6643) no Hoare annotation was computed. [2021-11-13 02:35:47,620 INFO L854 garLoopResultBuilder]: At program point L8047(lines 8046 8048) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,620 INFO L854 garLoopResultBuilder]: At program point L6643-3(lines 6640 6645) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,620 INFO L858 garLoopResultBuilder]: For program point L6643-2(line 6643) no Hoare annotation was computed. [2021-11-13 02:35:47,621 INFO L858 garLoopResultBuilder]: For program point L7337-2(lines 7337 7340) no Hoare annotation was computed. [2021-11-13 02:35:47,621 INFO L858 garLoopResultBuilder]: For program point L7337(lines 7337 7340) no Hoare annotation was computed. [2021-11-13 02:35:47,621 INFO L858 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2021-11-13 02:35:47,621 INFO L858 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2021-11-13 02:35:47,621 INFO L858 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2021-11-13 02:35:47,621 INFO L854 garLoopResultBuilder]: At program point L7453(line 7453) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,621 INFO L854 garLoopResultBuilder]: At program point L7288(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,622 INFO L858 garLoopResultBuilder]: For program point L7536(line 7536) no Hoare annotation was computed. [2021-11-13 02:35:47,622 INFO L854 garLoopResultBuilder]: At program point L7437(lines 7395 7443) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,622 INFO L858 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2021-11-13 02:35:47,623 INFO L854 garLoopResultBuilder]: At program point L7305(line 7305) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,623 INFO L854 garLoopResultBuilder]: At program point L7454(line 7454) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,623 INFO L858 garLoopResultBuilder]: For program point L7520(lines 7520 7524) no Hoare annotation was computed. [2021-11-13 02:35:47,623 INFO L854 garLoopResultBuilder]: At program point L7355(lines 7248 7357) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,624 INFO L858 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2021-11-13 02:35:47,624 INFO L858 garLoopResultBuilder]: For program point L6711(lines 6711 6714) no Hoare annotation was computed. [2021-11-13 02:35:47,624 INFO L858 garLoopResultBuilder]: For program point L7570(line 7570) no Hoare annotation was computed. [2021-11-13 02:35:47,624 INFO L858 garLoopResultBuilder]: For program point L7372-2(line 7372) no Hoare annotation was computed. [2021-11-13 02:35:47,624 INFO L858 garLoopResultBuilder]: For program point L7372(line 7372) no Hoare annotation was computed. [2021-11-13 02:35:47,624 INFO L854 garLoopResultBuilder]: At program point L8066(lines 8065 8067) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,625 INFO L854 garLoopResultBuilder]: At program point L7290(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,625 INFO L858 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2021-11-13 02:35:47,625 INFO L854 garLoopResultBuilder]: At program point L8083(line 8083) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,625 INFO L854 garLoopResultBuilder]: At program point L7439(lines 7395 7443) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,625 INFO L854 garLoopResultBuilder]: At program point L8017-1(lines 8004 8021) the Hoare annotation is: (not (= (_ bv3 32) ~ldv_state_variable_0~0)) [2021-11-13 02:35:47,625 INFO L854 garLoopResultBuilder]: At program point L8083-2(lines 8082 8084) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,626 INFO L854 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2021-11-13 02:35:47,626 INFO L858 garLoopResultBuilder]: For program point L6762(lines 6762 6766) no Hoare annotation was computed. [2021-11-13 02:35:47,626 INFO L858 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2021-11-13 02:35:47,626 INFO L858 garLoopResultBuilder]: For program point L6762-2(lines 6762 6766) no Hoare annotation was computed. [2021-11-13 02:35:47,626 INFO L858 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2021-11-13 02:35:47,626 INFO L854 garLoopResultBuilder]: At program point L8100(lines 8099 8101) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,626 INFO L854 garLoopResultBuilder]: At program point L7456(lines 7445 7458) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,627 INFO L854 garLoopResultBuilder]: At program point L8001(lines 7995 8003) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (not (= (_ bv3 32) ~ldv_state_variable_0~0)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,627 INFO L854 garLoopResultBuilder]: At program point L7324(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,627 INFO L858 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2021-11-13 02:35:47,627 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 02:35:47,627 INFO L854 garLoopResultBuilder]: At program point L7342(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,627 INFO L858 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2021-11-13 02:35:47,628 INFO L854 garLoopResultBuilder]: At program point L7656(lines 7647 7658) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,628 INFO L854 garLoopResultBuilder]: At program point L8036-2(lines 8035 8037) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,628 INFO L858 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2021-11-13 02:35:47,628 INFO L854 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,628 INFO L854 garLoopResultBuilder]: At program point L7326(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,628 INFO L858 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2021-11-13 02:35:47,629 INFO L858 garLoopResultBuilder]: For program point L6715(lines 6715 6720) no Hoare annotation was computed. [2021-11-13 02:35:47,629 INFO L854 garLoopResultBuilder]: At program point L7442(lines 7389 7444) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,629 INFO L854 garLoopResultBuilder]: At program point L8053-2(lines 8052 8054) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,629 INFO L858 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2021-11-13 02:35:47,629 INFO L854 garLoopResultBuilder]: At program point L8053(line 8053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,629 INFO L858 garLoopResultBuilder]: For program point L7558(lines 7558 7561) no Hoare annotation was computed. [2021-11-13 02:35:47,630 INFO L854 garLoopResultBuilder]: At program point L7492(lines 7488 7494) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,630 INFO L858 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2021-11-13 02:35:47,630 INFO L854 garLoopResultBuilder]: At program point L7344(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,630 INFO L854 garLoopResultBuilder]: At program point L7377(lines 7360 7380) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,630 INFO L858 garLoopResultBuilder]: For program point L6667-1(lines 6667 6674) no Hoare annotation was computed. [2021-11-13 02:35:47,630 INFO L858 garLoopResultBuilder]: For program point L6667(lines 6667 6674) no Hoare annotation was computed. [2021-11-13 02:35:47,631 INFO L854 garLoopResultBuilder]: At program point L8104(lines 8103 8105) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,631 INFO L854 garLoopResultBuilder]: At program point L7328(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,631 INFO L858 garLoopResultBuilder]: For program point L6684-2(lines 6681 6693) no Hoare annotation was computed. [2021-11-13 02:35:47,631 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 02:35:47,631 INFO L858 garLoopResultBuilder]: For program point L6684(lines 6684 6687) no Hoare annotation was computed. [2021-11-13 02:35:47,631 INFO L858 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2021-11-13 02:35:47,632 INFO L854 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,632 INFO L858 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2021-11-13 02:35:47,633 INFO L858 garLoopResultBuilder]: For program point L6668(lines 6668 6672) no Hoare annotation was computed. [2021-11-13 02:35:47,633 INFO L858 garLoopResultBuilder]: For program point L7362(lines 7362 7376) no Hoare annotation was computed. [2021-11-13 02:35:47,633 INFO L858 garLoopResultBuilder]: For program point L7263(lines 7263 7267) no Hoare annotation was computed. [2021-11-13 02:35:47,633 INFO L854 garLoopResultBuilder]: At program point L6619(lines 6615 6621) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,633 INFO L858 garLoopResultBuilder]: For program point L7263-2(lines 7263 7267) no Hoare annotation was computed. [2021-11-13 02:35:47,634 INFO L854 garLoopResultBuilder]: At program point L8023(lines 8022 8024) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,634 INFO L858 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2021-11-13 02:35:47,635 INFO L858 garLoopResultBuilder]: For program point L7577(line 7577) no Hoare annotation was computed. [2021-11-13 02:35:47,635 INFO L854 garLoopResultBuilder]: At program point L7346(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,635 INFO L854 garLoopResultBuilder]: At program point L7379(lines 7358 7381) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,635 INFO L854 garLoopResultBuilder]: At program point L6768(lines 6758 6770) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,635 INFO L858 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2021-11-13 02:35:47,635 INFO L858 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2021-11-13 02:35:47,636 INFO L858 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2021-11-13 02:35:47,636 INFO L858 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2021-11-13 02:35:47,639 INFO L854 garLoopResultBuilder]: At program point L8090(lines 8089 8091) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,639 INFO L858 garLoopResultBuilder]: For program point L7512(lines 7512 7579) no Hoare annotation was computed. [2021-11-13 02:35:47,639 INFO L858 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2021-11-13 02:35:47,639 INFO L854 garLoopResultBuilder]: At program point L6703(line 6703) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,640 INFO L858 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2021-11-13 02:35:47,640 INFO L858 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2021-11-13 02:35:47,640 INFO L858 garLoopResultBuilder]: For program point L7298(lines 7298 7301) no Hoare annotation was computed. [2021-11-13 02:35:47,640 INFO L858 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2021-11-13 02:35:47,640 INFO L854 garLoopResultBuilder]: At program point L7331(line 7331) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,640 INFO L858 garLoopResultBuilder]: For program point L7298-2(lines 7298 7301) no Hoare annotation was computed. [2021-11-13 02:35:47,642 INFO L858 garLoopResultBuilder]: For program point L7546(lines 7546 7572) no Hoare annotation was computed. [2021-11-13 02:35:47,643 INFO L858 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2021-11-13 02:35:47,643 INFO L854 garLoopResultBuilder]: At program point L6605(lines 6601 6607) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,643 INFO L854 garLoopResultBuilder]: At program point L7431(lines 7395 7443) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,643 INFO L858 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2021-11-13 02:35:47,643 INFO L854 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2021-11-13 02:35:47,643 INFO L858 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2021-11-13 02:35:47,644 INFO L858 garLoopResultBuilder]: For program point L6688-1(lines 6688 6691) no Hoare annotation was computed. [2021-11-13 02:35:47,644 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 02:35:47,644 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-11-13 02:35:47,644 INFO L858 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2021-11-13 02:35:47,644 INFO L854 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,644 INFO L854 garLoopResultBuilder]: At program point L8059(lines 8058 8060) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,645 INFO L858 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2021-11-13 02:35:47,645 INFO L858 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-11-13 02:35:47,645 INFO L854 garLoopResultBuilder]: At program point L7580(lines 7505 7585) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,645 INFO L858 garLoopResultBuilder]: For program point L7316-1(lines 7316 7319) no Hoare annotation was computed. [2021-11-13 02:35:47,645 INFO L854 garLoopResultBuilder]: At program point L7564(lines 7505 7585) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (not (= (_ bv3 32) ~ldv_state_variable_0~0))) [2021-11-13 02:35:47,646 INFO L858 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2021-11-13 02:35:47,646 INFO L858 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2021-11-13 02:35:47,647 INFO L858 garLoopResultBuilder]: For program point L6706(lines 6706 6709) no Hoare annotation was computed. [2021-11-13 02:35:47,647 INFO L858 garLoopResultBuilder]: For program point L6706-2(lines 6706 6709) no Hoare annotation was computed. [2021-11-13 02:35:47,647 INFO L854 garLoopResultBuilder]: At program point L7664(lines 7659 7666) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,647 INFO L854 garLoopResultBuilder]: At program point L7334(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,647 INFO L858 garLoopResultBuilder]: For program point L7516(lines 7516 7538) no Hoare annotation was computed. [2021-11-13 02:35:47,647 INFO L858 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2021-11-13 02:35:47,648 INFO L854 garLoopResultBuilder]: At program point L6724(lines 6695 6726) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2021-11-13 02:35:47,651 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 02:35:47,653 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:35:47,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:35:47 BoogieIcfgContainer [2021-11-13 02:35:47,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 02:35:47,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 02:35:47,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 02:35:47,708 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 02:35:47,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:35:30" (3/4) ... [2021-11-13 02:35:47,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 02:35:47,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2021-11-13 02:35:47,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2021-11-13 02:35:47,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-13 02:35:47,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-13 02:35:47,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2021-11-13 02:35:47,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2021-11-13 02:35:47,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2021-11-13 02:35:47,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2021-11-13 02:35:47,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2021-11-13 02:35:47,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2021-11-13 02:35:47,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-11-13 02:35:47,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2021-11-13 02:35:47,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2021-11-13 02:35:47,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 02:35:47,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-13 02:35:47,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 02:35:47,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 02:35:47,960 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 02:35:47,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 02:35:47,961 INFO L158 Benchmark]: Toolchain (without parser) took 29436.37ms. Allocated memory was 62.9MB in the beginning and 327.2MB in the end (delta: 264.2MB). Free memory was 32.6MB in the beginning and 132.2MB in the end (delta: -99.6MB). Peak memory consumption was 165.1MB. Max. memory is 16.1GB. [2021-11-13 02:35:47,961 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:35:47,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2413.52ms. Allocated memory was 62.9MB in the beginning and 207.6MB in the end (delta: 144.7MB). Free memory was 32.5MB in the beginning and 127.6MB in the end (delta: -95.1MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2021-11-13 02:35:47,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 260.73ms. Allocated memory is still 207.6MB. Free memory was 127.6MB in the beginning and 118.1MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 02:35:47,963 INFO L158 Benchmark]: Boogie Preprocessor took 174.23ms. Allocated memory is still 207.6MB. Free memory was 118.1MB in the beginning and 109.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 02:35:47,963 INFO L158 Benchmark]: RCFGBuilder took 8817.86ms. Allocated memory is still 207.6MB. Free memory was 109.7MB in the beginning and 69.1MB in the end (delta: 40.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2021-11-13 02:35:47,964 INFO L158 Benchmark]: TraceAbstraction took 17510.26ms. Allocated memory was 207.6MB in the beginning and 327.2MB in the end (delta: 119.5MB). Free memory was 68.1MB in the beginning and 162.9MB in the end (delta: -94.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-11-13 02:35:47,964 INFO L158 Benchmark]: Witness Printer took 252.95ms. Allocated memory is still 327.2MB. Free memory was 162.9MB in the beginning and 132.2MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-13 02:35:47,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2413.52ms. Allocated memory was 62.9MB in the beginning and 207.6MB in the end (delta: 144.7MB). Free memory was 32.5MB in the beginning and 127.6MB in the end (delta: -95.1MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 260.73ms. Allocated memory is still 207.6MB. Free memory was 127.6MB in the beginning and 118.1MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 174.23ms. Allocated memory is still 207.6MB. Free memory was 118.1MB in the beginning and 109.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8817.86ms. Allocated memory is still 207.6MB. Free memory was 109.7MB in the beginning and 69.1MB in the end (delta: 40.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * TraceAbstraction took 17510.26ms. Allocated memory was 207.6MB in the beginning and 327.2MB in the end (delta: 119.5MB). Free memory was 68.1MB in the beginning and 162.9MB in the end (delta: -94.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 252.95ms. Allocated memory is still 327.2MB. Free memory was 162.9MB in the beginning and 132.2MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7671]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 1531 SdHoareTripleChecker+Valid, 8627.14ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1531 mSDsluCounter, 2130 SdHoareTripleChecker+Invalid, 8517.98ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 724 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1406 mSDtfsCounter, 74 mSolverCounterSat, 20.03ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=573occurred in iteration=1, InterpolantAutomatonStates: 16, 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, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 305 PreInvPairs, 455 NumberOfFragments, 770 HoareAnnotationTreeSize, 305 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 90 FomulaSimplificationsInter, 4558 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2019 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8052]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8062]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6615]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8103]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8039]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8099]: Loop Invariant Derived loop invariant: (((ldv_mutex_mutex_of_device == 1bv32 && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7647]: Loop Invariant Derived loop invariant: (((ldv_mutex_mutex_of_device == 1bv32 && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7659]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: !(3bv32 == ldv_state_variable_0) - InvariantResult [Line: 6695]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8089]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8065]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7995]: Loop Invariant Derived loop invariant: (((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && !(3bv32 == ldv_state_variable_0)) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6640]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8035]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7501]: Loop Invariant Derived loop invariant: !(3bv32 == ldv_state_variable_0) - InvariantResult [Line: 6758]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8025]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6678]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7360]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7488]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8022]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7358]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7445]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && !(3bv32 == ldv_state_variable_0) - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8058]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8082]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6662]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8046]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6771]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7481]: Loop Invariant Derived loop invariant: (((ldv_mutex_mutex_of_device == 1bv32 && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6601]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7389]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 RESULT: Ultimate proved your program to be correct! [2021-11-13 02:35:48,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7699c2b-c370-4ab5-90d2-ffa25fd93a09/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE