./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 02f0930d8b2fe3bfe796d15e5df91cc252d41b871a82a3358310d5ea0b73a544 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:46:30,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:46:30,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:46:30,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:46:30,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:46:30,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:46:30,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:46:30,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:46:30,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:46:30,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:46:30,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:46:30,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:46:30,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:46:30,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:46:30,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:46:30,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:46:30,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:46:30,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:46:30,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:46:30,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:46:30,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:46:30,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:46:30,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:46:30,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:46:30,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:46:30,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:46:30,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:46:30,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:46:30,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:46:30,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:46:30,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:46:30,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:46:30,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:46:30,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:46:30,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:46:30,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:46:30,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:46:30,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:46:30,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:46:30,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:46:30,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:46:30,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:46:30,776 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:46:30,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:46:30,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:46:30,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:46:30,779 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:46:30,779 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:46:30,786 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:46:30,787 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:46:30,787 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:46:30,787 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:46:30,789 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:46:30,789 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:46:30,789 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:46:30,789 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:46:30,790 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:46:30,790 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:46:30,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:46:30,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:46:30,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:46:30,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:46:30,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:46:30,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:46:30,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:46:30,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:46:30,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:46:30,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:46:30,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:46:30,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:46:30,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:46:30,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:46:30,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:46:30,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:46:30,797 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:46:30,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:46:30,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:46:30,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:46:30,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:46:30,798 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_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f0930d8b2fe3bfe796d15e5df91cc252d41b871a82a3358310d5ea0b73a544 [2021-11-19 14:46:31,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:46:31,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:46:31,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:46:31,117 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:46:31,118 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:46:31,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:46:31,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data/26ec47eb5/abed3c8483774943ac0e3e6371473d29/FLAG804fc4561 [2021-11-19 14:46:32,863 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:46:32,864 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:46:33,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data/26ec47eb5/abed3c8483774943ac0e3e6371473d29/FLAG804fc4561 [2021-11-19 14:46:33,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data/26ec47eb5/abed3c8483774943ac0e3e6371473d29 [2021-11-19 14:46:33,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:46:33,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:46:33,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:33,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:46:33,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:46:33,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:33" (1/1) ... [2021-11-19 14:46:33,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c81d340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:33, skipping insertion in model container [2021-11-19 14:46:33,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:33" (1/1) ... [2021-11-19 14:46:33,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:46:33,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:46:40,029 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:40,031 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:40,032 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:40,034 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:40,043 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:40,044 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:40,056 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:40,399 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:40,433 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:46,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948299,948312] [2021-11-19 14:46:46,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948444,948457] [2021-11-19 14:46:46,260 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:46:46,425 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:46:46,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@130b2290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:46, skipping insertion in model container [2021-11-19 14:46:46,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:46,427 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:46:46,430 INFO L158 Benchmark]: Toolchain (without parser) took 13199.71ms. Allocated memory was 140.5MB in the beginning and 253.8MB in the end (delta: 113.2MB). Free memory was 100.3MB in the beginning and 146.1MB in the end (delta: -45.8MB). Peak memory consumption was 135.0MB. Max. memory is 16.1GB. [2021-11-19 14:46:46,431 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:46:46,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 13196.50ms. Allocated memory was 140.5MB in the beginning and 253.8MB in the end (delta: 113.2MB). Free memory was 100.3MB in the beginning and 146.1MB in the end (delta: -45.8MB). Peak memory consumption was 135.0MB. Max. memory is 16.1GB. [2021-11-19 14:46:46,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 13196.50ms. Allocated memory was 140.5MB in the beginning and 253.8MB in the end (delta: 113.2MB). Free memory was 100.3MB in the beginning and 146.1MB in the end (delta: -45.8MB). Peak memory consumption was 135.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7658]: 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_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 02f0930d8b2fe3bfe796d15e5df91cc252d41b871a82a3358310d5ea0b73a544 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:46:48,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:46:48,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:46:49,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:46:49,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:46:49,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:46:49,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:46:49,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:46:49,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:46:49,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:46:49,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:46:49,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:46:49,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:46:49,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:46:49,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:46:49,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:46:49,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:46:49,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:46:49,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:46:49,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:46:49,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:46:49,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:46:49,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:46:49,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:46:49,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:46:49,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:46:49,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:46:49,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:46:49,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:46:49,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:46:49,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:46:49,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:46:49,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:46:49,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:46:49,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:46:49,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:46:49,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:46:49,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:46:49,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:46:49,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:46:49,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:46:49,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:46:49,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:46:49,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:46:49,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:46:49,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:46:49,173 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:46:49,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:46:49,174 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:46:49,174 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:46:49,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:46:49,174 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:46:49,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:46:49,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:46:49,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:46:49,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:46:49,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:46:49,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:46:49,179 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:46:49,179 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:46:49,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:46:49,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:46:49,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:46:49,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:46:49,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:46:49,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:46:49,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:46:49,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:46:49,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:46:49,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:46:49,182 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:46:49,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:46:49,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:46:49,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:46:49,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:46:49,183 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_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f0930d8b2fe3bfe796d15e5df91cc252d41b871a82a3358310d5ea0b73a544 [2021-11-19 14:46:49,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:46:49,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:46:49,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:46:49,651 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:46:49,652 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:46:49,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:46:49,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data/2f8505edd/fa8498c5c6114364aba6098393cddc5a/FLAG5f8ef012f [2021-11-19 14:46:51,388 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:46:51,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:46:51,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data/2f8505edd/fa8498c5c6114364aba6098393cddc5a/FLAG5f8ef012f [2021-11-19 14:46:51,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/data/2f8505edd/fa8498c5c6114364aba6098393cddc5a [2021-11-19 14:46:51,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:46:51,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:46:51,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:51,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:46:51,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:46:51,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:51" (1/1) ... [2021-11-19 14:46:51,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548046c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:51, skipping insertion in model container [2021-11-19 14:46:51,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:51" (1/1) ... [2021-11-19 14:46:51,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:46:52,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:47:05,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948299,948312] [2021-11-19 14:47:05,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948444,948457] [2021-11-19 14:47:05,168 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:05,331 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:47:05,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:47:06,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948299,948312] [2021-11-19 14:47:06,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948444,948457] [2021-11-19 14:47:06,675 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:06,744 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:47:08,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948299,948312] [2021-11-19 14:47:08,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948444,948457] [2021-11-19 14:47:08,155 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:09,178 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:47:09,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09 WrapperNode [2021-11-19 14:47:09,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:09,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:47:09,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:47:09,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:47:09,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:09,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:10,252 INFO L137 Inliner]: procedures = 867, calls = 16559, calls flagged for inlining = 416, calls inlined = 353, statements flattened = 28766 [2021-11-19 14:47:10,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:47:10,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:47:10,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:47:10,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:47:10,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:10,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:10,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:10,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:11,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:11,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:11,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:11,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:47:11,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:47:11,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:47:11,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:47:11,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2021-11-19 14:47:11,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:47:11,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:47:12,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:47:12,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:47:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-11-19 14:47:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-11-19 14:47:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-19 14:47:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-19 14:47:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-11-19 14:47:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-11-19 14:47:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-11-19 14:47:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-11-19 14:47:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-19 14:47:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-19 14:47:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-19 14:47:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-19 14:47:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-11-19 14:47:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-11-19 14:47:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:47:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:47:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-19 14:47:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-19 14:47:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-11-19 14:47:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-11-19 14:47:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:47:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:47:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 14:47:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 14:47:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-11-19 14:47:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-11-19 14:47:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:47:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:47:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2021-11-19 14:47:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2021-11-19 14:47:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-11-19 14:47:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-11-19 14:47:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-19 14:47:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-19 14:47:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:47:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:47:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:47:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:47:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:47:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:47:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 14:47:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 14:47:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-11-19 14:47:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-11-19 14:47:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-11-19 14:47:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-11-19 14:47:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-11-19 14:47:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-11-19 14:47:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 14:47:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 14:47:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 14:47:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 14:47:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:47:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:47:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_113 [2021-11-19 14:47:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_113 [2021-11-19 14:47:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-11-19 14:47:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-11-19 14:47:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-11-19 14:47:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-11-19 14:47:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-19 14:47:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-19 14:47:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-11-19 14:47:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-11-19 14:47:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:47:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:47:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-11-19 14:47:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-11-19 14:47:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:47:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:47:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-11-19 14:47:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-11-19 14:47:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 14:47:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 14:47:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_108 [2021-11-19 14:47:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_108 [2021-11-19 14:47:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-11-19 14:47:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-11-19 14:47:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-11-19 14:47:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-11-19 14:47:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-19 14:47:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-19 14:47:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:47:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:47:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-11-19 14:47:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-11-19 14:47:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:47:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:47:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-11-19 14:47:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-11-19 14:47:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-19 14:47:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-19 14:47:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-11-19 14:47:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-11-19 14:47:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:47:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-19 14:47:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-19 14:47:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-11-19 14:47:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-11-19 14:47:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:47:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:47:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:47:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:47:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:47:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:47:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-11-19 14:47:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-11-19 14:47:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:47:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-19 14:47:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-19 14:47:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-11-19 14:47:12,302 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-11-19 14:47:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 14:47:12,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 14:47:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-11-19 14:47:12,302 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-11-19 14:47:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:47:12,302 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:47:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-11-19 14:47:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-11-19 14:47:12,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:47:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:47:12,304 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-19 14:47:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-19 14:47:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-19 14:47:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-19 14:47:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 14:47:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 14:47:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-11-19 14:47:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-11-19 14:47:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-11-19 14:47:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-11-19 14:47:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-19 14:47:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-19 14:47:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:47:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:47:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-11-19 14:47:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-11-19 14:47:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-19 14:47:12,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-19 14:47:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-11-19 14:47:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-11-19 14:47:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-11-19 14:47:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-11-19 14:47:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 14:47:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 14:47:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-11-19 14:47:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-11-19 14:47:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:47:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-11-19 14:47:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-11-19 14:47:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:47:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:47:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 14:47:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:47:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:47:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2021-11-19 14:47:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2021-11-19 14:47:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-19 14:47:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-19 14:47:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-19 14:47:12,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-19 14:47:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:47:12,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:47:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:47:12,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:47:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-11-19 14:47:12,317 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-11-19 14:47:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-11-19 14:47:12,317 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-11-19 14:47:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-11-19 14:47:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-11-19 14:47:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-19 14:47:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-19 14:47:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-11-19 14:47:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-11-19 14:47:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-19 14:47:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-19 14:47:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 14:47:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 14:47:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:47:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:47:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:47:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_119 [2021-11-19 14:47:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_119 [2021-11-19 14:47:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-11-19 14:47:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-11-19 14:47:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:47:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-19 14:47:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-19 14:47:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-11-19 14:47:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-11-19 14:47:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-11-19 14:47:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-11-19 14:47:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-11-19 14:47:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-11-19 14:47:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-11-19 14:47:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-11-19 14:47:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-11-19 14:47:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-11-19 14:47:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 14:47:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 14:47:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-11-19 14:47:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-11-19 14:47:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:47:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:47:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:47:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:47:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-11-19 14:47:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-11-19 14:47:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:47:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:47:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-11-19 14:47:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-11-19 14:47:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-19 14:47:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-19 14:47:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-11-19 14:47:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-11-19 14:47:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-11-19 14:47:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-11-19 14:47:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-19 14:47:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-19 14:47:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-19 14:47:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-19 14:47:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-11-19 14:47:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-11-19 14:47:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-11-19 14:47:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-11-19 14:47:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-19 14:47:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-19 14:47:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:47:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:47:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:47:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:47:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:47:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:47:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:47:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:47:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-11-19 14:47:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-11-19 14:47:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:47:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:47:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-11-19 14:47:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-11-19 14:47:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:47:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:47:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-11-19 14:47:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-11-19 14:47:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-11-19 14:47:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-11-19 14:47:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-11-19 14:47:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-11-19 14:47:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-19 14:47:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-19 14:47:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-11-19 14:47:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-11-19 14:47:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-11-19 14:47:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-11-19 14:47:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:47:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:47:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-19 14:47:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-19 14:47:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-11-19 14:47:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-11-19 14:47:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 14:47:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-19 14:47:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-19 14:47:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-11-19 14:47:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-11-19 14:47:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 14:47:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 14:47:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:47:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:47:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-19 14:47:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-19 14:47:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-11-19 14:47:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-11-19 14:47:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:47:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:47:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-11-19 14:47:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-11-19 14:47:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-11-19 14:47:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-11-19 14:47:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-11-19 14:47:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-11-19 14:47:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 14:47:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 14:47:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-19 14:47:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-19 14:47:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-19 14:47:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-19 14:47:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 14:47:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 14:47:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-11-19 14:47:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-11-19 14:47:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-11-19 14:47:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-11-19 14:47:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-11-19 14:47:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-11-19 14:47:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-11-19 14:47:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-11-19 14:47:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-19 14:47:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-19 14:47:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:47:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:47:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:47:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:47:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:47:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:47:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:47:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:47:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 14:47:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 14:47:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:47:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:47:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:47:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:47:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-11-19 14:47:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-11-19 14:47:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:47:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-11-19 14:47:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-11-19 14:47:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-11-19 14:47:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-11-19 14:47:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-11-19 14:47:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-11-19 14:47:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-11-19 14:47:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-11-19 14:47:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:47:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:47:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-11-19 14:47:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-11-19 14:47:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-11-19 14:47:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-11-19 14:47:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:47:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:47:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:47:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:47:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-11-19 14:47:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-11-19 14:47:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:47:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:47:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-11-19 14:47:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-11-19 14:47:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-11-19 14:47:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-11-19 14:47:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:47:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:47:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:47:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:47:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-19 14:47:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-19 14:47:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:47:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:47:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-11-19 14:47:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-11-19 14:47:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-19 14:47:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-19 14:47:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-19 14:47:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-19 14:47:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-11-19 14:47:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-11-19 14:47:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-19 14:47:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-19 14:47:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 14:47:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 14:47:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:47:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:47:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:47:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:47:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:47:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:47:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:47:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-11-19 14:47:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-11-19 14:47:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-19 14:47:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-19 14:47:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-11-19 14:47:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-11-19 14:47:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-11-19 14:47:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-11-19 14:47:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-11-19 14:47:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-11-19 14:47:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:47:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:47:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 14:47:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 14:47:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-19 14:47:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-19 14:47:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-11-19 14:47:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-11-19 14:47:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 14:47:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 14:47:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-11-19 14:47:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-11-19 14:47:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-11-19 14:47:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-11-19 14:47:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-19 14:47:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-19 14:47:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-11-19 14:47:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-11-19 14:47:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 14:47:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 14:47:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-11-19 14:47:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-11-19 14:47:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 14:47:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 14:47:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:47:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-11-19 14:47:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-11-19 14:47:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-19 14:47:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-19 14:47:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:47:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:47:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:47:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:47:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:47:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:47:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:47:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 14:47:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 14:47:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 14:47:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 14:47:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-19 14:47:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-19 14:47:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-11-19 14:47:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-11-19 14:47:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 14:47:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 14:47:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-19 14:47:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-19 14:47:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-11-19 14:47:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-11-19 14:47:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:47:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:47:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-11-19 14:47:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-11-19 14:47:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-19 14:47:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-19 14:47:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-11-19 14:47:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-11-19 14:47:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:47:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:47:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 14:47:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 14:47:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:47:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:47:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 14:47:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 14:47:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-19 14:47:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-19 14:47:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:47:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:47:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:47:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:47:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:47:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-11-19 14:47:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-11-19 14:47:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-11-19 14:47:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-11-19 14:47:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:47:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:47:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-11-19 14:47:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-11-19 14:47:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 14:47:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 14:47:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:47:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:47:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 14:47:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 14:47:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-11-19 14:47:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-11-19 14:47:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-11-19 14:47:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-11-19 14:47:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-11-19 14:47:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-11-19 14:47:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-11-19 14:47:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-11-19 14:47:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:47:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:47:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:47:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:47:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-19 14:47:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-19 14:47:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-11-19 14:47:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-11-19 14:47:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-11-19 14:47:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-11-19 14:47:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-11-19 14:47:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-11-19 14:47:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-11-19 14:47:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-11-19 14:47:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-19 14:47:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-19 14:47:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:47:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:47:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-11-19 14:47:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-11-19 14:47:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-11-19 14:47:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-11-19 14:47:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-11-19 14:47:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-11-19 14:47:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-11-19 14:47:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-11-19 14:47:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-11-19 14:47:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-11-19 14:47:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:47:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:47:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-11-19 14:47:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-11-19 14:47:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 14:47:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 14:47:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-19 14:47:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-19 14:47:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-19 14:47:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-19 14:47:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-11-19 14:47:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-11-19 14:47:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-11-19 14:47:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-11-19 14:47:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:47:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:47:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-19 14:47:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-19 14:47:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:47:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:47:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-19 14:47:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-19 14:47:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-11-19 14:47:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-11-19 14:47:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:47:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:47:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:47:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:47:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2021-11-19 14:47:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2021-11-19 14:47:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:47:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:47:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 14:47:14,970 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:47:14,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:47:37,189 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:54:44,928 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:54:44,985 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:54:44,985 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-19 14:54:44,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:44 BoogieIcfgContainer [2021-11-19 14:54:44,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:54:44,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:54:44,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:54:45,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:54:45,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:46:51" (1/3) ... [2021-11-19 14:54:45,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d75ae38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:54:45, skipping insertion in model container [2021-11-19 14:54:45,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (2/3) ... [2021-11-19 14:54:45,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d75ae38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:54:45, skipping insertion in model container [2021-11-19 14:54:45,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:44" (3/3) ... [2021-11-19 14:54:45,006 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 14:54:45,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:54:45,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 14:54:45,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:54:45,123 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:54:45,124 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 14:54:45,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 8086 states, 5660 states have (on average 1.351766784452297) internal successors, (7651), 5767 states have internal predecessors, (7651), 2174 states have call successors, (2174), 252 states have call predecessors, (2174), 251 states have return successors, (2170), 2157 states have call predecessors, (2170), 2170 states have call successors, (2170) [2021-11-19 14:54:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-19 14:54:45,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:54:45,349 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:54:45,350 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:54:45,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:54:45,356 INFO L85 PathProgramCache]: Analyzing trace with hash 276255508, now seen corresponding path program 1 times [2021-11-19 14:54:45,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:54:45,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671192832] [2021-11-19 14:54:45,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:54:45,400 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:54:45,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:54:45,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:54:45,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:55:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:07,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 10612 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 14:55:07,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-19 14:55:08,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-19 14:55:10,643 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:55:10,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671192832] [2021-11-19 14:55:10,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671192832] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:55:10,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [629240110] [2021-11-19 14:55:10,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:10,645 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:55:10,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:55:10,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:55:10,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2021-11-19 14:55:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:55:17,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 10612 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:55:17,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 14:55:20,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 14:55:21,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [629240110] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:55:21,388 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:55:21,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [8, 8] total 12 [2021-11-19 14:55:21,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614012070] [2021-11-19 14:55:21,392 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:55:21,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:55:21,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:55:21,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:55:21,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:55:21,455 INFO L87 Difference]: Start difference. First operand has 8086 states, 5660 states have (on average 1.351766784452297) internal successors, (7651), 5767 states have internal predecessors, (7651), 2174 states have call successors, (2174), 252 states have call predecessors, (2174), 251 states have return successors, (2170), 2157 states have call predecessors, (2170), 2170 states have call successors, (2170) Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 14:55:24,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:55:58,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:58,037 INFO L93 Difference]: Finished difference Result 16113 states and 24077 transitions. [2021-11-19 14:55:58,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:55:58,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 190 [2021-11-19 14:55:58,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:58,172 INFO L225 Difference]: With dead ends: 16113 [2021-11-19 14:55:58,172 INFO L226 Difference]: Without dead ends: 7970 [2021-11-19 14:55:58,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 746 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:55:58,293 INFO L933 BasicCegarLoop]: 11913 mSDtfsCounter, 11820 mSDsluCounter, 7572 mSDsCounter, 0 mSdLazyCounter, 4342 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11820 SdHoareTripleChecker+Valid, 19485 SdHoareTripleChecker+Invalid, 4371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:58,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11820 Valid, 19485 Invalid, 4371 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [28 Valid, 4342 Invalid, 1 Unknown, 0 Unchecked, 35.4s Time] [2021-11-19 14:55:58,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7970 states. [2021-11-19 14:55:59,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7970 to 7970. [2021-11-19 14:55:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7970 states, 5583 states have (on average 1.3469460863335125) internal successors, (7520), 5684 states have internal predecessors, (7520), 2135 states have call successors, (2135), 250 states have call predecessors, (2135), 250 states have return successors, (2135), 2122 states have call predecessors, (2135), 2135 states have call successors, (2135) [2021-11-19 14:55:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7970 states to 7970 states and 11790 transitions. [2021-11-19 14:55:59,463 INFO L78 Accepts]: Start accepts. Automaton has 7970 states and 11790 transitions. Word has length 190 [2021-11-19 14:55:59,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:59,471 INFO L470 AbstractCegarLoop]: Abstraction has 7970 states and 11790 transitions. [2021-11-19 14:55:59,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 14:55:59,473 INFO L276 IsEmpty]: Start isEmpty. Operand 7970 states and 11790 transitions. [2021-11-19 14:55:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-19 14:55:59,491 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:59,491 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:59,716 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-19 14:55:59,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:55:59,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:55:59,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:55:59,950 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:55:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:59,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1167095319, now seen corresponding path program 1 times [2021-11-19 14:55:59,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:55:59,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037530937] [2021-11-19 14:55:59,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:55:59,972 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:55:59,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:55:59,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:56:00,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:56:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:56:21,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 10613 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 14:56:21,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:56:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-19 14:56:22,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:56:24,579 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-19 14:56:24,579 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:56:24,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037530937] [2021-11-19 14:56:24,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037530937] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:56:24,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [497751000] [2021-11-19 14:56:24,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:56:24,581 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:56:24,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:56:24,582 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:56:24,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-19 14:56:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:56:30,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 10613 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:56:30,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:56:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 14:56:32,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:56:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 14:56:34,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [497751000] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:56:34,211 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:56:34,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [8, 8] total 12 [2021-11-19 14:56:34,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194205521] [2021-11-19 14:56:34,212 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:56:34,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:56:34,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:56:34,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:56:34,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:56:34,215 INFO L87 Difference]: Start difference. First operand 7970 states and 11790 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 14:56:37,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:57:10,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:57:10,066 INFO L93 Difference]: Finished difference Result 15954 states and 23655 transitions. [2021-11-19 14:57:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:57:10,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 191 [2021-11-19 14:57:10,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:57:10,176 INFO L225 Difference]: With dead ends: 15954 [2021-11-19 14:57:10,176 INFO L226 Difference]: Without dead ends: 8001 [2021-11-19 14:57:10,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:57:10,239 INFO L933 BasicCegarLoop]: 11818 mSDtfsCounter, 11723 mSDsluCounter, 7563 mSDsCounter, 0 mSdLazyCounter, 4299 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11723 SdHoareTripleChecker+Valid, 19381 SdHoareTripleChecker+Invalid, 4330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:57:10,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11723 Valid, 19381 Invalid, 4330 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 4299 Invalid, 1 Unknown, 0 Unchecked, 34.9s Time] [2021-11-19 14:57:10,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8001 states. [2021-11-19 14:57:10,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8001 to 8001. [2021-11-19 14:57:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8001 states, 5603 states have (on average 1.3458861324290559) internal successors, (7541), 5706 states have internal predecessors, (7541), 2139 states have call successors, (2139), 257 states have call predecessors, (2139), 257 states have return successors, (2139), 2126 states have call predecessors, (2139), 2139 states have call successors, (2139) [2021-11-19 14:57:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8001 states to 8001 states and 11819 transitions. [2021-11-19 14:57:11,073 INFO L78 Accepts]: Start accepts. Automaton has 8001 states and 11819 transitions. Word has length 191 [2021-11-19 14:57:11,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:57:11,075 INFO L470 AbstractCegarLoop]: Abstraction has 8001 states and 11819 transitions. [2021-11-19 14:57:11,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 14:57:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 8001 states and 11819 transitions. [2021-11-19 14:57:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-19 14:57:11,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:57:11,082 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:57:11,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:57:11,499 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-19 14:57:11,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:57:11,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:57:11,528 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:57:11,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:57:11,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1448185904, now seen corresponding path program 1 times [2021-11-19 14:57:11,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:57:11,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82682777] [2021-11-19 14:57:11,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:57:11,540 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:57:11,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:57:11,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:57:11,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:57:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:57:32,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 10614 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 14:57:32,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:57:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-19 14:57:33,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:57:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-19 14:57:35,129 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:57:35,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82682777] [2021-11-19 14:57:35,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82682777] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:57:35,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1059348529] [2021-11-19 14:57:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:57:35,130 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:57:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:57:35,132 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:57:35,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-19 14:57:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:57:41,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 10614 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:57:41,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:57:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 14:57:43,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:57:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 14:57:44,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1059348529] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:57:44,340 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:57:44,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [8, 8] total 12 [2021-11-19 14:57:44,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603232649] [2021-11-19 14:57:44,341 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:57:44,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:57:44,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:57:44,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:57:44,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:57:44,343 INFO L87 Difference]: Start difference. First operand 8001 states and 11819 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 14:57:47,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:58:16,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:58:16,820 INFO L93 Difference]: Finished difference Result 15985 states and 23683 transitions. [2021-11-19 14:58:16,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:58:16,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 192 [2021-11-19 14:58:16,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:58:16,918 INFO L225 Difference]: With dead ends: 15985 [2021-11-19 14:58:16,918 INFO L226 Difference]: Without dead ends: 8001 [2021-11-19 14:58:16,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 764 GetRequests, 754 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:58:16,979 INFO L933 BasicCegarLoop]: 11787 mSDtfsCounter, 11694 mSDsluCounter, 7516 mSDsCounter, 0 mSdLazyCounter, 4272 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11694 SdHoareTripleChecker+Valid, 19303 SdHoareTripleChecker+Invalid, 4301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:58:16,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11694 Valid, 19303 Invalid, 4301 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [28 Valid, 4272 Invalid, 1 Unknown, 0 Unchecked, 31.6s Time] [2021-11-19 14:58:17,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8001 states. [2021-11-19 14:58:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8001 to 8001. [2021-11-19 14:58:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8001 states, 5603 states have (on average 1.345707656612529) internal successors, (7540), 5706 states have internal predecessors, (7540), 2139 states have call successors, (2139), 257 states have call predecessors, (2139), 257 states have return successors, (2139), 2126 states have call predecessors, (2139), 2139 states have call successors, (2139) [2021-11-19 14:58:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8001 states to 8001 states and 11818 transitions. [2021-11-19 14:58:17,879 INFO L78 Accepts]: Start accepts. Automaton has 8001 states and 11818 transitions. Word has length 192 [2021-11-19 14:58:17,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:58:17,881 INFO L470 AbstractCegarLoop]: Abstraction has 8001 states and 11818 transitions. [2021-11-19 14:58:17,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 14:58:17,882 INFO L276 IsEmpty]: Start isEmpty. Operand 8001 states and 11818 transitions. [2021-11-19 14:58:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-19 14:58:17,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:58:17,888 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:58:18,111 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2021-11-19 14:58:18,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:58:18,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2021-11-19 14:58:18,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:58:18,320 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:58:18,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:58:18,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1032041797, now seen corresponding path program 1 times [2021-11-19 14:58:18,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:58:18,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050735847] [2021-11-19 14:58:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:58:18,330 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:58:18,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:58:18,332 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:58:18,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:58:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:58:38,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 10615 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 14:58:38,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:58:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-19 14:58:39,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:58:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-19 14:58:40,913 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:58:40,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050735847] [2021-11-19 14:58:40,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050735847] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:58:40,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1450807873] [2021-11-19 14:58:40,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:58:40,914 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:58:40,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:58:40,919 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:58:40,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-19 14:58:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:58:46,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 10615 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:58:46,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:58:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 14:58:48,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:58:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 14:58:50,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1450807873] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:58:50,185 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:58:50,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [8, 8] total 12 [2021-11-19 14:58:50,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955532844] [2021-11-19 14:58:50,186 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:58:50,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:58:50,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:58:50,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:58:50,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:58:50,189 INFO L87 Difference]: Start difference. First operand 8001 states and 11818 transitions. Second operand has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 14:58:53,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:21,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:59:21,845 INFO L93 Difference]: Finished difference Result 15985 states and 23681 transitions. [2021-11-19 14:59:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:59:21,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 193 [2021-11-19 14:59:21,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:59:21,925 INFO L225 Difference]: With dead ends: 15985 [2021-11-19 14:59:21,926 INFO L226 Difference]: Without dead ends: 8001 [2021-11-19 14:59:21,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 758 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:59:21,975 INFO L933 BasicCegarLoop]: 11786 mSDtfsCounter, 11693 mSDsluCounter, 7515 mSDsCounter, 0 mSdLazyCounter, 4272 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11693 SdHoareTripleChecker+Valid, 19301 SdHoareTripleChecker+Invalid, 4301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:59:21,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11693 Valid, 19301 Invalid, 4301 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [28 Valid, 4272 Invalid, 1 Unknown, 0 Unchecked, 30.9s Time] [2021-11-19 14:59:21,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8001 states. [2021-11-19 14:59:22,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8001 to 8001. [2021-11-19 14:59:22,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8001 states, 5603 states have (on average 1.3455291807960021) internal successors, (7539), 5706 states have internal predecessors, (7539), 2139 states have call successors, (2139), 257 states have call predecessors, (2139), 257 states have return successors, (2139), 2126 states have call predecessors, (2139), 2139 states have call successors, (2139) [2021-11-19 14:59:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8001 states to 8001 states and 11817 transitions. [2021-11-19 14:59:22,779 INFO L78 Accepts]: Start accepts. Automaton has 8001 states and 11817 transitions. Word has length 193 [2021-11-19 14:59:22,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:59:22,780 INFO L470 AbstractCegarLoop]: Abstraction has 8001 states and 11817 transitions. [2021-11-19 14:59:22,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 14:59:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 8001 states and 11817 transitions. [2021-11-19 14:59:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-19 14:59:22,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:59:22,787 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:59:23,012 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forcibly destroying the process [2021-11-19 14:59:23,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:59:23,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-19 14:59:23,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:59:23,271 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:59:23,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:59:23,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1130992972, now seen corresponding path program 1 times [2021-11-19 14:59:23,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:59:23,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841864386] [2021-11-19 14:59:23,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:59:23,282 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:59:23,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:59:23,283 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:59:23,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb5985-efa5-4aac-894f-48ae93a98037/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process