./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.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_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/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_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/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_06769083-2359-4f1c-816e-175ecfdd9ea2/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 7810d8d46e33762f9d4b240bda17e1c52cc5be371b5b52d10d795bc3c3d449fe --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:22:43,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:22:43,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:22:43,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:22:43,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:22:43,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:22:43,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:22:43,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:22:43,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:22:43,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:22:43,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:22:43,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:22:43,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:22:43,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:22:43,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:22:43,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:22:43,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:22:43,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:22:43,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:22:43,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:22:43,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:22:43,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:22:43,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:22:43,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:22:43,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:22:43,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:22:43,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:22:43,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:22:43,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:22:43,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:22:43,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:22:43,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:22:43,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:22:43,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:22:43,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:22:43,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:22:43,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:22:43,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:22:43,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:22:43,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:22:43,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:22:43,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:22:43,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:22:43,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:22:43,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:22:43,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:22:43,658 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:22:43,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:22:43,658 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:22:43,659 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:22:43,659 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:22:43,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:22:43,659 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:22:43,660 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:22:43,660 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:22:43,660 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:22:43,661 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:22:43,661 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:22:43,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:22:43,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:22:43,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:22:43,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:22:43,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:22:43,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:22:43,664 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:22:43,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:22:43,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:22:43,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:22:43,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:22:43,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:22:43,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:22:43,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:22:43,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:22:43,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:22:43,667 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:22:43,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:22:43,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:22:43,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:22:43,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:22:43,669 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_06769083-2359-4f1c-816e-175ecfdd9ea2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7810d8d46e33762f9d4b240bda17e1c52cc5be371b5b52d10d795bc3c3d449fe [2021-11-19 14:22:43,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:22:43,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:22:43,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:22:43,999 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:22:44,000 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:22:44,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 14:22:44,094 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data/e975af12c/cf84293d67cc4cf899de2623640414b5/FLAG9a969dd42 [2021-11-19 14:22:45,598 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:22:45,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 14:22:45,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data/e975af12c/cf84293d67cc4cf899de2623640414b5/FLAG9a969dd42 [2021-11-19 14:22:46,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data/e975af12c/cf84293d67cc4cf899de2623640414b5 [2021-11-19 14:22:46,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:22:46,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:22:46,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:22:46,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:22:46,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:22:46,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:22:46" (1/1) ... [2021-11-19 14:22:46,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ff84c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:46, skipping insertion in model container [2021-11-19 14:22:46,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:22:46" (1/1) ... [2021-11-19 14:22:46,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:22:46,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:22:51,630 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 14:22:52,359 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 14:22:52,360 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 14:22:52,394 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 14:22:53,860 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 14:22:54,164 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 14:22:54,167 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 14:22:54,170 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 14:22:54,172 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 14:22:56,100 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_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[657888,657901] [2021-11-19 14:22:56,103 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_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[658033,658046] [2021-11-19 14:22:56,181 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:22:56,304 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 14:22:56,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7412fba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:56, skipping insertion in model container [2021-11-19 14:22:56,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:22:56,306 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:22:56,308 INFO L158 Benchmark]: Toolchain (without parser) took 10173.07ms. Allocated memory was 88.1MB in the beginning and 172.0MB in the end (delta: 83.9MB). Free memory was 47.8MB in the beginning and 68.2MB in the end (delta: -20.5MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2021-11-19 14:22:56,309 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 88.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:22:56,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 10166.59ms. Allocated memory was 88.1MB in the beginning and 172.0MB in the end (delta: 83.9MB). Free memory was 47.8MB in the beginning and 68.2MB in the end (delta: -20.5MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2021-11-19 14:22:56,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 88.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 10166.59ms. Allocated memory was 88.1MB in the beginning and 172.0MB in the end (delta: 83.9MB). Free memory was 47.8MB in the beginning and 68.2MB in the end (delta: -20.5MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7437]: 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_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/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_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/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_06769083-2359-4f1c-816e-175ecfdd9ea2/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 7810d8d46e33762f9d4b240bda17e1c52cc5be371b5b52d10d795bc3c3d449fe --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:22:58,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:22:58,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:22:58,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:22:58,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:22:59,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:22:59,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:22:59,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:22:59,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:22:59,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:22:59,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:22:59,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:22:59,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:22:59,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:22:59,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:22:59,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:22:59,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:22:59,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:22:59,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:22:59,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:22:59,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:22:59,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:22:59,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:22:59,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:22:59,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:22:59,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:22:59,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:22:59,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:22:59,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:22:59,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:22:59,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:22:59,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:22:59,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:22:59,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:22:59,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:22:59,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:22:59,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:22:59,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:22:59,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:22:59,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:22:59,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:22:59,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:22:59,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:22:59,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:22:59,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:22:59,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:22:59,161 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:22:59,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:22:59,162 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:22:59,162 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:22:59,162 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:22:59,163 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:22:59,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:22:59,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:22:59,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:22:59,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:22:59,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:22:59,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:22:59,165 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:22:59,165 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:22:59,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:22:59,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:22:59,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:22:59,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:22:59,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:22:59,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:22:59,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:22:59,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:22:59,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:22:59,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:22:59,168 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:22:59,168 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:22:59,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:22:59,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:22:59,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:22:59,169 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_06769083-2359-4f1c-816e-175ecfdd9ea2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7810d8d46e33762f9d4b240bda17e1c52cc5be371b5b52d10d795bc3c3d449fe [2021-11-19 14:22:59,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:22:59,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:22:59,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:22:59,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:22:59,670 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:22:59,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 14:22:59,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data/e4f51dffa/663d7dbc05c444d99d178cce689e93c3/FLAGfbf8c95be [2021-11-19 14:23:01,357 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:23:01,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 14:23:01,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data/e4f51dffa/663d7dbc05c444d99d178cce689e93c3/FLAGfbf8c95be [2021-11-19 14:23:01,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/data/e4f51dffa/663d7dbc05c444d99d178cce689e93c3 [2021-11-19 14:23:01,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:23:01,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:23:01,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:23:01,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:23:01,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:23:01,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:23:01" (1/1) ... [2021-11-19 14:23:01,864 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 02:23:01, skipping insertion in model container [2021-11-19 14:23:01,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:23:01" (1/1) ... [2021-11-19 14:23:01,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:23:02,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:23:12,044 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_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[657888,657901] [2021-11-19 14:23:12,048 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_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[658033,658046] [2021-11-19 14:23:12,090 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:23:12,288 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:23:12,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:23:13,335 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_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[657888,657901] [2021-11-19 14:23:13,336 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_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[658033,658046] [2021-11-19 14:23:13,346 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:23:13,400 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:23:14,529 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_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[657888,657901] [2021-11-19 14:23:14,530 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_06769083-2359-4f1c-816e-175ecfdd9ea2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[658033,658046] [2021-11-19 14:23:14,538 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:23:15,069 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:23:15,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15 WrapperNode [2021-11-19 14:23:15,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:23:15,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:23:15,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:23:15,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:23:15,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:15,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:15,950 INFO L137 Inliner]: procedures = 823, calls = 7779, calls flagged for inlining = 391, calls inlined = 360, statements flattened = 15440 [2021-11-19 14:23:15,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:23:15,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:23:15,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:23:15,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:23:15,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:15,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:16,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:16,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:16,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:16,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:16,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:16,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:23:16,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:23:16,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:23:16,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:23:16,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (1/1) ... [2021-11-19 14:23:16,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:23:16,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:23:16,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:23:16,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:23:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-19 14:23:16,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-19 14:23:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-19 14:23:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 14:23:16,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 14:23:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-19 14:23:16,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-19 14:23:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-19 14:23:16,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-19 14:23:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-19 14:23:16,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-19 14:23:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-19 14:23:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-19 14:23:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-19 14:23:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-19 14:23:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-19 14:23:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-19 14:23:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:23:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:23:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 14:23:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 14:23:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-19 14:23:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-19 14:23:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-19 14:23:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-19 14:23:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-19 14:23:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-19 14:23:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:23:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:23:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:23:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:23:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-19 14:23:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-19 14:23:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-19 14:23:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-19 14:23:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 14:23:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 14:23:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 14:23:16,943 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 14:23:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-19 14:23:16,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-19 14:23:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-19 14:23:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-19 14:23:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2021-11-19 14:23:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2021-11-19 14:23:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-19 14:23:16,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-19 14:23:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-19 14:23:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-19 14:23:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 14:23:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 14:23:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-19 14:23:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-19 14:23:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-19 14:23:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-19 14:23:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:23:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:23:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-19 14:23:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-19 14:23:16,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-19 14:23:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-19 14:23:16,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:23:16,951 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:23:16,951 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-19 14:23:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-19 14:23:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-19 14:23:16,953 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-19 14:23:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-19 14:23:16,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-19 14:23:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:23:16,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:23:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 14:23:16,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 14:23:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-19 14:23:16,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-19 14:23:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-19 14:23:16,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-19 14:23:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:23:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:23:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-19 14:23:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-19 14:23:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-19 14:23:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-19 14:23:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-19 14:23:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-19 14:23:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-19 14:23:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-19 14:23:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:23:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:23:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:23:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:23:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-19 14:23:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-19 14:23:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:23:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-19 14:23:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-19 14:23:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:23:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:23:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:23:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:23:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-19 14:23:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-19 14:23:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 14:23:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 14:23:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 14:23:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 14:23:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:23:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:23:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:23:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:23:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:23:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:23:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:23:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-19 14:23:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-19 14:23:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-19 14:23:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-19 14:23:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:23:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:23:16,979 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-19 14:23:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-19 14:23:16,980 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 14:23:16,980 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 14:23:16,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2021-11-19 14:23:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2021-11-19 14:23:16,980 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:23:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:23:16,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:23:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:23:16,981 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-19 14:23:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-19 14:23:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 14:23:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 14:23:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2021-11-19 14:23:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2021-11-19 14:23:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:23:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:23:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-19 14:23:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-19 14:23:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-19 14:23:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-19 14:23:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 14:23:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 14:23:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:23:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-19 14:23:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-19 14:23:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-19 14:23:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-19 14:23:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:23:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:23:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 14:23:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-19 14:23:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-19 14:23:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:23:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:23:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-19 14:23:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-19 14:23:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-19 14:23:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-19 14:23:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 14:23:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 14:23:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-19 14:23:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-19 14:23:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:23:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:23:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-19 14:23:16,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-19 14:23:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:23:16,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:23:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 14:23:16,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 14:23:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-19 14:23:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-19 14:23:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-19 14:23:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-19 14:23:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:23:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:23:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:23:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-19 14:23:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-19 14:23:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-19 14:23:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-19 14:23:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-19 14:23:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-19 14:23:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:23:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-19 14:23:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-19 14:23:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-19 14:23:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-19 14:23:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-19 14:23:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-19 14:23:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-19 14:23:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-19 14:23:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 14:23:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 14:23:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-19 14:23:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-19 14:23:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:23:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:23:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:23:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:23:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-19 14:23:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-19 14:23:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 14:23:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 14:23:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-19 14:23:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-19 14:23:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-19 14:23:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-19 14:23:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:23:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:23:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:23:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:23:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-19 14:23:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-19 14:23:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:23:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:23:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:23:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:23:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-19 14:23:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-19 14:23:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:23:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:23:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-19 14:23:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-19 14:23:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-19 14:23:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-19 14:23:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2021-11-19 14:23:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2021-11-19 14:23:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-19 14:23:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-19 14:23:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-19 14:23:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-19 14:23:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:23:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:23:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-19 14:23:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-19 14:23:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-19 14:23:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-19 14:23:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-19 14:23:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-19 14:23:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-19 14:23:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-19 14:23:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-19 14:23:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-19 14:23:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-19 14:23:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-19 14:23:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-19 14:23:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-19 14:23:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-19 14:23:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-19 14:23:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-19 14:23:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-19 14:23:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-19 14:23:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-19 14:23:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:23:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:23:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 14:23:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-19 14:23:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-19 14:23:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-19 14:23:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-19 14:23:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-19 14:23:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-19 14:23:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 14:23:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 14:23:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:23:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:23:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-19 14:23:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-19 14:23:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-19 14:23:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-19 14:23:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-19 14:23:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-19 14:23:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:23:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:23:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 14:23:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 14:23:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-19 14:23:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-19 14:23:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-19 14:23:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-19 14:23:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 14:23:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 14:23:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-19 14:23:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-19 14:23:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-19 14:23:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-19 14:23:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-19 14:23:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-19 14:23:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2021-11-19 14:23:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2021-11-19 14:23:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:23:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:23:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-19 14:23:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-19 14:23:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-19 14:23:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-19 14:23:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-19 14:23:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-19 14:23:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:23:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:23:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-19 14:23:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-19 14:23:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:23:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:23:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:23:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:23:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:23:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:23:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-19 14:23:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-19 14:23:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 14:23:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 14:23:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:23:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-19 14:23:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-19 14:23:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:23:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:23:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:23:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-19 14:23:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-19 14:23:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-19 14:23:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-19 14:23:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-19 14:23:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-19 14:23:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:23:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:23:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-19 14:23:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-19 14:23:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2021-11-19 14:23:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2021-11-19 14:23:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-19 14:23:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-19 14:23:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-19 14:23:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-19 14:23:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:23:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:23:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-19 14:23:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-19 14:23:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:23:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:23:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:23:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:23:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:23:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:23:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:23:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:23:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:23:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:23:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-19 14:23:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-19 14:23:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:23:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:23:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-19 14:23:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-19 14:23:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-19 14:23:17,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-19 14:23:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-19 14:23:17,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-19 14:23:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-19 14:23:17,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-19 14:23:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-19 14:23:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-19 14:23:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 14:23:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 14:23:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:23:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:23:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:23:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:23:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:23:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:23:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:23:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-19 14:23:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-19 14:23:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-19 14:23:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-19 14:23:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 14:23:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 14:23:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-19 14:23:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-19 14:23:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-19 14:23:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-19 14:23:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-19 14:23:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-19 14:23:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 14:23:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 14:23:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-19 14:23:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-19 14:23:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-19 14:23:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-19 14:23:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-19 14:23:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-19 14:23:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-19 14:23:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-19 14:23:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 14:23:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 14:23:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:23:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-19 14:23:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-19 14:23:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:23:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-19 14:23:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-19 14:23:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:23:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-19 14:23:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-19 14:23:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:23:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:23:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:23:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:23:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:23:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 14:23:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 14:23:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-19 14:23:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-19 14:23:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 14:23:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 14:23:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-19 14:23:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-19 14:23:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-19 14:23:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-19 14:23:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-19 14:23:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-19 14:23:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-19 14:23:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-19 14:23:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-19 14:23:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-19 14:23:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-19 14:23:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-19 14:23:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 14:23:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 14:23:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-19 14:23:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-19 14:23:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-19 14:23:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-19 14:23:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-19 14:23:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-19 14:23:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-19 14:23:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-19 14:23:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-19 14:23:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-19 14:23:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:23:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:23:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 14:23:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 14:23:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:23:17,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:23:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-19 14:23:17,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-19 14:23:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 14:23:17,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 14:23:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:23:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:23:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:23:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:23:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:23:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-19 14:23:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-19 14:23:17,335 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 14:23:17,335 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 14:23:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 14:23:17,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 14:23:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 14:23:17,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 14:23:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:23:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:23:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 14:23:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 14:23:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-19 14:23:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-19 14:23:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-19 14:23:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-19 14:23:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-19 14:23:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-19 14:23:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:23:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:23:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-19 14:23:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-19 14:23:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-19 14:23:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-19 14:23:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-19 14:23:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-19 14:23:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-19 14:23:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-19 14:23:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-19 14:23:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-19 14:23:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:23:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:23:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:23:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:23:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 14:23:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 14:23:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-19 14:23:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-19 14:23:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 14:23:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 14:23:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-19 14:23:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-19 14:23:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-19 14:23:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-19 14:23:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:23:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:23:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-19 14:23:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-19 14:23:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-19 14:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-19 14:23:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:23:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-19 14:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-19 14:23:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:23:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:23:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-19 14:23:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-19 14:23:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:23:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:23:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-19 14:23:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-19 14:23:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-19 14:23:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-19 14:23:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-19 14:23:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-19 14:23:19,484 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:23:19,491 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:23:19,699 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:26:28,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:26:40,551 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:26:40,610 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:26:40,610 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-19 14:26:40,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:40 BoogieIcfgContainer [2021-11-19 14:26:40,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:26:40,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:26:40,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:26:40,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:26:40,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:23:01" (1/3) ... [2021-11-19 14:26:40,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b8ab6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:40, skipping insertion in model container [2021-11-19 14:26:40,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:23:15" (2/3) ... [2021-11-19 14:26:40,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b8ab6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:40, skipping insertion in model container [2021-11-19 14:26:40,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:40" (3/3) ... [2021-11-19 14:26:40,632 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 14:26:40,649 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:26:40,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 14:26:40,779 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:26:40,793 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 14:26:40,793 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 14:26:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 5224 states, 3691 states have (on average 1.3413709021945273) internal successors, (4951), 3754 states have internal predecessors, (4951), 1288 states have call successors, (1288), 244 states have call predecessors, (1288), 243 states have return successors, (1281), 1265 states have call predecessors, (1281), 1281 states have call successors, (1281) [2021-11-19 14:26:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-19 14:26:41,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:41,029 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:41,029 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:26:41,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:41,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1486511371, now seen corresponding path program 1 times [2021-11-19 14:26:41,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:26:41,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750310685] [2021-11-19 14:26:41,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:41,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:26:41,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:26:41,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:26:41,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:26:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:45,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 5254 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:26:45,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:26:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2021-11-19 14:26:48,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:26:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-11-19 14:26:49,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:26:49,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750310685] [2021-11-19 14:26:49,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750310685] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:49,632 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:49,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:26:49,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839035827] [2021-11-19 14:26:49,636 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:49,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:26:49,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:26:49,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:26:49,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:26:49,697 INFO L87 Difference]: Start difference. First operand has 5224 states, 3691 states have (on average 1.3413709021945273) internal successors, (4951), 3754 states have internal predecessors, (4951), 1288 states have call successors, (1288), 244 states have call predecessors, (1288), 243 states have return successors, (1281), 1265 states have call predecessors, (1281), 1281 states have call successors, (1281) Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2021-11-19 14:26:52,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:27:37,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:37,886 INFO L93 Difference]: Finished difference Result 19441 states and 28297 transitions. [2021-11-19 14:27:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:27:37,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 298 [2021-11-19 14:27:37,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:38,064 INFO L225 Difference]: With dead ends: 19441 [2021-11-19 14:27:38,065 INFO L226 Difference]: Without dead ends: 14147 [2021-11-19 14:27:38,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:27:38,129 INFO L933 BasicCegarLoop]: 10924 mSDtfsCounter, 17691 mSDsluCounter, 11331 mSDsCounter, 0 mSdLazyCounter, 2655 mSolverCounterSat, 2092 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17691 SdHoareTripleChecker+Valid, 22255 SdHoareTripleChecker+Invalid, 4748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2092 IncrementalHoareTripleChecker+Valid, 2655 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:38,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17691 Valid, 22255 Invalid, 4748 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2092 Valid, 2655 Invalid, 1 Unknown, 0 Unchecked, 46.7s Time] [2021-11-19 14:27:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14147 states. [2021-11-19 14:27:39,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14147 to 14141. [2021-11-19 14:27:39,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14141 states, 10100 states have (on average 1.341980198019802) internal successors, (13554), 10274 states have internal predecessors, (13554), 3370 states have call successors, (3370), 669 states have call predecessors, (3370), 669 states have return successors, (3370), 3322 states have call predecessors, (3370), 3370 states have call successors, (3370) [2021-11-19 14:27:39,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14141 states to 14141 states and 20294 transitions. [2021-11-19 14:27:39,276 INFO L78 Accepts]: Start accepts. Automaton has 14141 states and 20294 transitions. Word has length 298 [2021-11-19 14:27:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:39,278 INFO L470 AbstractCegarLoop]: Abstraction has 14141 states and 20294 transitions. [2021-11-19 14:27:39,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2021-11-19 14:27:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 14141 states and 20294 transitions. [2021-11-19 14:27:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-19 14:27:39,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:39,303 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:27:39,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 14:27:39,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:27:39,520 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:27:39,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:39,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1634659461, now seen corresponding path program 1 times [2021-11-19 14:27:39,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:27:39,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190900993] [2021-11-19 14:27:39,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:39,531 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:27:39,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:27:39,532 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:27:39,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:27:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:43,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 5174 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:27:43,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:27:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1380 trivial. 0 not checked. [2021-11-19 14:27:45,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:27:47,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1434 trivial. 0 not checked. [2021-11-19 14:27:47,012 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:27:47,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190900993] [2021-11-19 14:27:47,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190900993] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:47,012 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:47,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:27:47,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513791739] [2021-11-19 14:27:47,013 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:47,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:27:47,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:27:47,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:27:47,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:27:47,017 INFO L87 Difference]: Start difference. First operand 14141 states and 20294 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-19 14:27:49,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:27:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:52,399 INFO L93 Difference]: Finished difference Result 34901 states and 49888 transitions. [2021-11-19 14:27:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:27:52,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 290 [2021-11-19 14:27:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:52,645 INFO L225 Difference]: With dead ends: 34901 [2021-11-19 14:27:52,645 INFO L226 Difference]: Without dead ends: 20801 [2021-11-19 14:27:52,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:27:52,767 INFO L933 BasicCegarLoop]: 8219 mSDtfsCounter, 4347 mSDsluCounter, 7265 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4347 SdHoareTripleChecker+Valid, 15484 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:52,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4347 Valid, 15484 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-19 14:27:52,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20801 states. [2021-11-19 14:27:54,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20801 to 20795. [2021-11-19 14:27:54,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20795 states, 14862 states have (on average 1.337908760597497) internal successors, (19884), 15117 states have internal predecessors, (19884), 4875 states have call successors, (4875), 1057 states have call predecessors, (4875), 1056 states have return successors, (4875), 4805 states have call predecessors, (4875), 4875 states have call successors, (4875) [2021-11-19 14:27:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20795 states to 20795 states and 29634 transitions. [2021-11-19 14:27:54,514 INFO L78 Accepts]: Start accepts. Automaton has 20795 states and 29634 transitions. Word has length 290 [2021-11-19 14:27:54,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:54,516 INFO L470 AbstractCegarLoop]: Abstraction has 20795 states and 29634 transitions. [2021-11-19 14:27:54,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-19 14:27:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 20795 states and 29634 transitions. [2021-11-19 14:27:54,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-11-19 14:27:54,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:54,552 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:54,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:27:54,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:27:54,778 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:27:54,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:54,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1721401926, now seen corresponding path program 1 times [2021-11-19 14:27:54,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:27:54,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298422131] [2021-11-19 14:27:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:54,788 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:27:54,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:27:54,790 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:27:54,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:27:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:59,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 5434 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:27:59,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:28:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1787 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 1506 trivial. 0 not checked. [2021-11-19 14:28:02,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:28:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1787 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-11-19 14:28:04,094 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:28:04,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298422131] [2021-11-19 14:28:04,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298422131] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:04,095 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:04,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:28:04,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670326123] [2021-11-19 14:28:04,095 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:04,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:28:04,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:28:04,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:28:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:28:04,099 INFO L87 Difference]: Start difference. First operand 20795 states and 29634 transitions. Second operand has 4 states, 4 states have (on average 55.75) internal successors, (223), 4 states have internal predecessors, (223), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-19 14:28:06,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:28:45,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:45,104 INFO L93 Difference]: Finished difference Result 58334 states and 83251 transitions. [2021-11-19 14:28:45,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:28:45,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.75) internal successors, (223), 4 states have internal predecessors, (223), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) Word has length 389 [2021-11-19 14:28:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:45,538 INFO L225 Difference]: With dead ends: 58334 [2021-11-19 14:28:45,538 INFO L226 Difference]: Without dead ends: 37580 [2021-11-19 14:28:45,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 774 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:28:45,637 INFO L933 BasicCegarLoop]: 14839 mSDtfsCounter, 13755 mSDsluCounter, 12330 mSDsCounter, 0 mSdLazyCounter, 2618 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13755 SdHoareTripleChecker+Valid, 27169 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2618 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:45,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13755 Valid, 27169 Invalid, 2657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 2618 Invalid, 1 Unknown, 0 Unchecked, 39.5s Time] [2021-11-19 14:28:45,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37580 states. [2021-11-19 14:28:47,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37580 to 37572. [2021-11-19 14:28:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37572 states, 26914 states have (on average 1.3420524634019468) internal successors, (36120), 27370 states have internal predecessors, (36120), 8759 states have call successors, (8759), 1898 states have call predecessors, (8759), 1897 states have return successors, (8759), 8632 states have call predecessors, (8759), 8759 states have call successors, (8759) [2021-11-19 14:28:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37572 states to 37572 states and 53638 transitions. [2021-11-19 14:28:48,219 INFO L78 Accepts]: Start accepts. Automaton has 37572 states and 53638 transitions. Word has length 389 [2021-11-19 14:28:48,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:48,220 INFO L470 AbstractCegarLoop]: Abstraction has 37572 states and 53638 transitions. [2021-11-19 14:28:48,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.75) internal successors, (223), 4 states have internal predecessors, (223), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-19 14:28:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 37572 states and 53638 transitions. [2021-11-19 14:28:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-11-19 14:28:48,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:48,281 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:48,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-19 14:28:48,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:28:48,507 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:28:48,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1746834517, now seen corresponding path program 1 times [2021-11-19 14:28:48,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:28:48,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398536878] [2021-11-19 14:28:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:48,709 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:28:48,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:28:48,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:28:48,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:28:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:53,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 5610 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:28:53,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:28:56,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 1806 trivial. 0 not checked. [2021-11-19 14:28:56,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:28:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2021-11-19 14:28:58,084 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:28:58,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398536878] [2021-11-19 14:28:58,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398536878] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:58,084 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:58,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:28:58,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053794715] [2021-11-19 14:28:58,085 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:58,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:28:58,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:28:58,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:28:58,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:28:58,088 INFO L87 Difference]: Start difference. First operand 37572 states and 53638 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-19 14:29:00,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:29:03,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:29:03,237 INFO L93 Difference]: Finished difference Result 80696 states and 115228 transitions. [2021-11-19 14:29:03,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:29:03,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 471 [2021-11-19 14:29:03,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:29:03,618 INFO L225 Difference]: With dead ends: 80696 [2021-11-19 14:29:03,618 INFO L226 Difference]: Without dead ends: 43165 [2021-11-19 14:29:03,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 939 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:29:03,769 INFO L933 BasicCegarLoop]: 13824 mSDtfsCounter, 6437 mSDsluCounter, 7319 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6437 SdHoareTripleChecker+Valid, 21143 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:29:03,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6437 Valid, 21143 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 14:29:03,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43165 states. [2021-11-19 14:29:06,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43165 to 43161. [2021-11-19 14:29:06,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43161 states, 30930 states have (on average 1.3425153572583253) internal successors, (41524), 31453 states have internal predecessors, (41524), 10052 states have call successors, (10052), 2178 states have call predecessors, (10052), 2177 states have return successors, (10052), 9906 states have call predecessors, (10052), 10052 states have call successors, (10052) [2021-11-19 14:29:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43161 states to 43161 states and 61628 transitions. [2021-11-19 14:29:06,968 INFO L78 Accepts]: Start accepts. Automaton has 43161 states and 61628 transitions. Word has length 471 [2021-11-19 14:29:06,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:29:06,989 INFO L470 AbstractCegarLoop]: Abstraction has 43161 states and 61628 transitions. [2021-11-19 14:29:06,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-19 14:29:06,990 INFO L276 IsEmpty]: Start isEmpty. Operand 43161 states and 61628 transitions. [2021-11-19 14:29:07,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-11-19 14:29:07,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:29:07,060 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:07,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:29:07,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:29:07,286 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:29:07,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:29:07,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2035653907, now seen corresponding path program 1 times [2021-11-19 14:29:07,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:29:07,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287175052] [2021-11-19 14:29:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:29:07,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:29:07,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:29:07,302 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:29:07,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:29:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:29:12,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 5610 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:29:12,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:29:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 1806 trivial. 0 not checked. [2021-11-19 14:29:15,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:29:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2021-11-19 14:29:17,687 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:29:17,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287175052] [2021-11-19 14:29:17,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287175052] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:29:17,687 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:29:17,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:29:17,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108639504] [2021-11-19 14:29:17,688 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:29:17,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:29:17,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:29:17,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:29:17,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:29:17,691 INFO L87 Difference]: Start difference. First operand 43161 states and 61628 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-19 14:29:20,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:29:23,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:29:23,514 INFO L93 Difference]: Finished difference Result 93305 states and 133186 transitions. [2021-11-19 14:29:23,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:29:23,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 471 [2021-11-19 14:29:23,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:29:24,003 INFO L225 Difference]: With dead ends: 93305 [2021-11-19 14:29:24,003 INFO L226 Difference]: Without dead ends: 50185 [2021-11-19 14:29:24,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 939 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:29:24,201 INFO L933 BasicCegarLoop]: 13825 mSDtfsCounter, 6858 mSDsluCounter, 6936 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6858 SdHoareTripleChecker+Valid, 20761 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:29:24,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6858 Valid, 20761 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 14:29:24,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50185 states. [2021-11-19 14:29:26,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50185 to 50181. [2021-11-19 14:29:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50181 states, 35977 states have (on average 1.3419128887900602) internal successors, (48278), 36587 states have internal predecessors, (48278), 11656 states have call successors, (11656), 2547 states have call predecessors, (11656), 2546 states have return successors, (11656), 11486 states have call predecessors, (11656), 11656 states have call successors, (11656) [2021-11-19 14:29:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50181 states to 50181 states and 71590 transitions. [2021-11-19 14:29:27,229 INFO L78 Accepts]: Start accepts. Automaton has 50181 states and 71590 transitions. Word has length 471 [2021-11-19 14:29:27,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:29:27,230 INFO L470 AbstractCegarLoop]: Abstraction has 50181 states and 71590 transitions. [2021-11-19 14:29:27,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-19 14:29:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 50181 states and 71590 transitions. [2021-11-19 14:29:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-11-19 14:29:27,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:29:27,326 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 19, 19, 19, 19, 19, 19, 11, 11, 11, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:27,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:29:27,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:29:27,542 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:29:27,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:29:27,543 INFO L85 PathProgramCache]: Analyzing trace with hash -502787987, now seen corresponding path program 1 times [2021-11-19 14:29:27,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:29:27,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917414323] [2021-11-19 14:29:27,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:29:27,552 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:29:27,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:29:27,555 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:29:27,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:29:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:29:33,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 5859 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 14:29:33,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:29:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 2199 trivial. 0 not checked. [2021-11-19 14:29:36,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:29:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2021-11-19 14:29:38,277 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:29:38,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917414323] [2021-11-19 14:29:38,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917414323] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:29:38,277 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:29:38,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 14:29:38,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869951620] [2021-11-19 14:29:38,278 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:29:38,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:29:38,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:29:38,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:29:38,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:29:38,280 INFO L87 Difference]: Start difference. First operand 50181 states and 71590 transitions. Second operand has 8 states, 8 states have (on average 29.375) internal successors, (235), 8 states have internal predecessors, (235), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2021-11-19 14:29:41,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:29:43,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:29:46,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:29:48,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:29:50,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:29:52,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:29:59,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:29:59,972 INFO L93 Difference]: Finished difference Result 116269 states and 166981 transitions. [2021-11-19 14:29:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:29:59,974 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 29.375) internal successors, (235), 8 states have internal predecessors, (235), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 526 [2021-11-19 14:29:59,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:30:00,479 INFO L225 Difference]: With dead ends: 116269 [2021-11-19 14:30:00,480 INFO L226 Difference]: Without dead ends: 66129 [2021-11-19 14:30:00,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1054 GetRequests, 1046 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:30:00,716 INFO L933 BasicCegarLoop]: 8834 mSDtfsCounter, 3619 mSDsluCounter, 50251 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 684 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3848 SdHoareTripleChecker+Valid, 59085 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:30:00,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3848 Valid, 59085 Invalid, 944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [684 Valid, 255 Invalid, 5 Unknown, 0 Unchecked, 18.0s Time] [2021-11-19 14:30:00,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66129 states. [2021-11-19 14:30:04,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66129 to 50187. [2021-11-19 14:30:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50187 states, 35983 states have (on average 1.3418558763860713) internal successors, (48284), 36593 states have internal predecessors, (48284), 11656 states have call successors, (11656), 2547 states have call predecessors, (11656), 2546 states have return successors, (11656), 11486 states have call predecessors, (11656), 11656 states have call successors, (11656) [2021-11-19 14:30:04,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50187 states to 50187 states and 71596 transitions. [2021-11-19 14:30:04,800 INFO L78 Accepts]: Start accepts. Automaton has 50187 states and 71596 transitions. Word has length 526 [2021-11-19 14:30:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:30:04,802 INFO L470 AbstractCegarLoop]: Abstraction has 50187 states and 71596 transitions. [2021-11-19 14:30:04,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.375) internal successors, (235), 8 states have internal predecessors, (235), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2021-11-19 14:30:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 50187 states and 71596 transitions. [2021-11-19 14:30:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-11-19 14:30:04,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:30:04,855 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 19, 19, 19, 19, 19, 19, 13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:04,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:30:05,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:30:05,070 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:30:05,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:30:05,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1013744791, now seen corresponding path program 1 times [2021-11-19 14:30:05,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:30:05,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480108377] [2021-11-19 14:30:05,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:30:05,085 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:30:05,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:30:05,086 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:30:05,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:30:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:30:11,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 5906 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:30:11,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:30:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2463 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2021-11-19 14:30:13,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:30:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2463 trivial. 0 not checked. [2021-11-19 14:30:15,713 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:30:15,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480108377] [2021-11-19 14:30:15,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1480108377] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:30:15,714 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:30:15,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 14:30:15,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015366848] [2021-11-19 14:30:15,715 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:30:15,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:30:15,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:30:15,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:30:15,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:30:15,718 INFO L87 Difference]: Start difference. First operand 50187 states and 71596 transitions. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 2 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2021-11-19 14:30:20,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:30:20,126 INFO L93 Difference]: Finished difference Result 100435 states and 144762 transitions. [2021-11-19 14:30:20,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:30:20,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 2 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 547 [2021-11-19 14:30:20,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:30:20,454 INFO L225 Difference]: With dead ends: 100435 [2021-11-19 14:30:20,455 INFO L226 Difference]: Without dead ends: 50279 [2021-11-19 14:30:20,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1094 GetRequests, 1088 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:30:20,682 INFO L933 BasicCegarLoop]: 7351 mSDtfsCounter, 9 mSDsluCounter, 14671 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22022 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:30:20,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 22022 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 14:30:20,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50279 states. [2021-11-19 14:30:23,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50279 to 50279. [2021-11-19 14:30:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50279 states, 36055 states have (on average 1.3422271529607543) internal successors, (48394), 36676 states have internal predecessors, (48394), 11656 states have call successors, (11656), 2556 states have call predecessors, (11656), 2566 states have return successors, (11710), 11486 states have call predecessors, (11710), 11656 states have call successors, (11710) [2021-11-19 14:30:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50279 states to 50279 states and 71760 transitions. [2021-11-19 14:30:24,139 INFO L78 Accepts]: Start accepts. Automaton has 50279 states and 71760 transitions. Word has length 547 [2021-11-19 14:30:24,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:30:24,141 INFO L470 AbstractCegarLoop]: Abstraction has 50279 states and 71760 transitions. [2021-11-19 14:30:24,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 2 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2021-11-19 14:30:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 50279 states and 71760 transitions. [2021-11-19 14:30:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2021-11-19 14:30:24,199 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:30:24,200 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 19, 19, 19, 19, 19, 19, 13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:24,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:30:24,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:30:24,427 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:30:24,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:30:24,428 INFO L85 PathProgramCache]: Analyzing trace with hash -608941527, now seen corresponding path program 1 times [2021-11-19 14:30:24,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:30:24,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439486445] [2021-11-19 14:30:24,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:30:24,441 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:30:24,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:30:24,442 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:30:24,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:30:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:30:30,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 5916 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:30:30,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:30:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 172 proven. 3 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2021-11-19 14:30:32,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:30:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2463 trivial. 0 not checked. [2021-11-19 14:30:35,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:30:35,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439486445] [2021-11-19 14:30:35,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439486445] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:30:35,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1718394971] [2021-11-19 14:30:35,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:30:35,628 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:30:35,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:30:35,634 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:30:35,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-19 14:30:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:30:39,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 5916 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:30:39,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:30:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2021-11-19 14:30:53,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:31:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2021-11-19 14:31:00,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1718394971] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:31:00,195 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:31:00,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [6, 6] total 13 [2021-11-19 14:31:00,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105423482] [2021-11-19 14:31:00,197 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:31:00,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:31:00,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:31:00,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:31:00,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:31:00,201 INFO L87 Difference]: Start difference. First operand 50279 states and 71760 transitions. Second operand has 5 states, 5 states have (on average 74.2) internal successors, (371), 5 states have internal predecessors, (371), 3 states have call successors, (114), 3 states have call predecessors, (114), 4 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-19 14:31:02,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:31:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:31:45,761 INFO L93 Difference]: Finished difference Result 100517 states and 143755 transitions. [2021-11-19 14:31:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:31:45,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.2) internal successors, (371), 5 states have internal predecessors, (371), 3 states have call successors, (114), 3 states have call predecessors, (114), 4 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) Word has length 549 [2021-11-19 14:31:45,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:31:46,100 INFO L225 Difference]: With dead ends: 100517 [2021-11-19 14:31:46,101 INFO L226 Difference]: Without dead ends: 50279 [2021-11-19 14:31:46,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2192 GetRequests, 2181 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:31:46,322 INFO L933 BasicCegarLoop]: 7381 mSDtfsCounter, 11838 mSDsluCounter, 4868 mSDsCounter, 0 mSdLazyCounter, 2514 mSolverCounterSat, 2464 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11838 SdHoareTripleChecker+Valid, 12249 SdHoareTripleChecker+Invalid, 4979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2464 IncrementalHoareTripleChecker+Valid, 2514 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:31:46,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11838 Valid, 12249 Invalid, 4979 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2464 Valid, 2514 Invalid, 1 Unknown, 0 Unchecked, 42.5s Time] [2021-11-19 14:31:46,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50279 states. [2021-11-19 14:31:49,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50279 to 50279. [2021-11-19 14:31:49,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50279 states, 36055 states have (on average 1.3419220635140756) internal successors, (48383), 36676 states have internal predecessors, (48383), 11656 states have call successors, (11656), 2556 states have call predecessors, (11656), 2566 states have return successors, (11710), 11486 states have call predecessors, (11710), 11656 states have call successors, (11710) [2021-11-19 14:31:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50279 states to 50279 states and 71749 transitions. [2021-11-19 14:31:49,298 INFO L78 Accepts]: Start accepts. Automaton has 50279 states and 71749 transitions. Word has length 549 [2021-11-19 14:31:49,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:31:49,300 INFO L470 AbstractCegarLoop]: Abstraction has 50279 states and 71749 transitions. [2021-11-19 14:31:49,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.2) internal successors, (371), 5 states have internal predecessors, (371), 3 states have call successors, (114), 3 states have call predecessors, (114), 4 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-19 14:31:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 50279 states and 71749 transitions. [2021-11-19 14:31:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2021-11-19 14:31:49,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:31:49,347 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 19, 19, 19, 19, 19, 19, 13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:49,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:49,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 14:31:49,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:31:49,774 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:31:49,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:31:49,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1110155747, now seen corresponding path program 1 times [2021-11-19 14:31:49,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:31:49,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150194880] [2021-11-19 14:31:49,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:31:49,792 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:31:49,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:31:49,793 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:31:49,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 14:31:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:31:55,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 5917 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:31:55,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:31:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 172 proven. 3 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2021-11-19 14:31:57,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2463 trivial. 0 not checked. [2021-11-19 14:32:00,324 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:00,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150194880] [2021-11-19 14:32:00,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150194880] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:32:00,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [831798007] [2021-11-19 14:32:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:00,325 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:32:00,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:32:00,326 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:32:00,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-19 14:32:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:04,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 5917 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:32:04,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2021-11-19 14:32:19,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2021-11-19 14:32:25,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [831798007] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:32:25,693 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:32:25,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [6, 6] total 13 [2021-11-19 14:32:25,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151788330] [2021-11-19 14:32:25,694 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:25,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:32:25,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:25,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:32:25,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:32:25,696 INFO L87 Difference]: Start difference. First operand 50279 states and 71749 transitions. Second operand has 5 states, 5 states have (on average 74.6) internal successors, (373), 5 states have internal predecessors, (373), 3 states have call successors, (114), 3 states have call predecessors, (114), 4 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-19 14:32:28,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:33:09,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:09,513 INFO L93 Difference]: Finished difference Result 100517 states and 143733 transitions. [2021-11-19 14:33:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:33:09,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.6) internal successors, (373), 5 states have internal predecessors, (373), 3 states have call successors, (114), 3 states have call predecessors, (114), 4 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) Word has length 550 [2021-11-19 14:33:09,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:09,777 INFO L225 Difference]: With dead ends: 100517 [2021-11-19 14:33:09,778 INFO L226 Difference]: Without dead ends: 50279 [2021-11-19 14:33:09,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2196 GetRequests, 2185 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:33:09,944 INFO L933 BasicCegarLoop]: 7380 mSDtfsCounter, 7149 mSDsluCounter, 4867 mSDsCounter, 0 mSdLazyCounter, 2514 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7149 SdHoareTripleChecker+Valid, 12247 SdHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2514 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:09,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7149 Valid, 12247 Invalid, 2577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2514 Invalid, 1 Unknown, 0 Unchecked, 40.8s Time] [2021-11-19 14:33:09,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50279 states. [2021-11-19 14:33:12,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50279 to 50279. [2021-11-19 14:33:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50279 states, 36055 states have (on average 1.341616974067397) internal successors, (48372), 36676 states have internal predecessors, (48372), 11656 states have call successors, (11656), 2556 states have call predecessors, (11656), 2566 states have return successors, (11710), 11486 states have call predecessors, (11710), 11656 states have call successors, (11710) [2021-11-19 14:33:12,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50279 states to 50279 states and 71738 transitions. [2021-11-19 14:33:12,992 INFO L78 Accepts]: Start accepts. Automaton has 50279 states and 71738 transitions. Word has length 550 [2021-11-19 14:33:13,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:13,006 INFO L470 AbstractCegarLoop]: Abstraction has 50279 states and 71738 transitions. [2021-11-19 14:33:13,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.6) internal successors, (373), 5 states have internal predecessors, (373), 3 states have call successors, (114), 3 states have call predecessors, (114), 4 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-19 14:33:13,007 INFO L276 IsEmpty]: Start isEmpty. Operand 50279 states and 71738 transitions. [2021-11-19 14:33:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-11-19 14:33:13,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:13,052 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 19, 19, 19, 19, 19, 19, 13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:13,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:13,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:13,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:13,474 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:33:13,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:13,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1317887003, now seen corresponding path program 1 times [2021-11-19 14:33:13,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:13,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111857331] [2021-11-19 14:33:13,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:13,487 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:13,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:13,491 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:13,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 14:33:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:19,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 5918 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:33:19,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 172 proven. 3 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2021-11-19 14:33:22,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2463 trivial. 0 not checked. [2021-11-19 14:33:25,078 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:25,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111857331] [2021-11-19 14:33:25,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111857331] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:33:25,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1224588794] [2021-11-19 14:33:25,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:25,079 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:33:25,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:33:25,081 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:33:25,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-19 14:33:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:29,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 5918 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:33:29,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2021-11-19 14:33:44,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:51,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2021-11-19 14:33:51,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1224588794] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:51,181 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:33:51,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [6, 6] total 13 [2021-11-19 14:33:51,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313018484] [2021-11-19 14:33:51,183 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:51,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:33:51,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:51,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:33:51,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:33:51,185 INFO L87 Difference]: Start difference. First operand 50279 states and 71738 transitions. Second operand has 5 states, 5 states have (on average 75.0) internal successors, (375), 5 states have internal predecessors, (375), 3 states have call successors, (114), 3 states have call predecessors, (114), 4 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-19 14:33:53,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:34:35,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:35,395 INFO L93 Difference]: Finished difference Result 100517 states and 143711 transitions. [2021-11-19 14:34:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:34:35,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 75.0) internal successors, (375), 5 states have internal predecessors, (375), 3 states have call successors, (114), 3 states have call predecessors, (114), 4 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) Word has length 551 [2021-11-19 14:34:35,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:35,636 INFO L225 Difference]: With dead ends: 100517 [2021-11-19 14:34:35,636 INFO L226 Difference]: Without dead ends: 50279 [2021-11-19 14:34:35,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2200 GetRequests, 2189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:34:35,796 INFO L933 BasicCegarLoop]: 7379 mSDtfsCounter, 7148 mSDsluCounter, 4866 mSDsCounter, 0 mSdLazyCounter, 2514 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7148 SdHoareTripleChecker+Valid, 12245 SdHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2514 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:35,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7148 Valid, 12245 Invalid, 2577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2514 Invalid, 1 Unknown, 0 Unchecked, 40.9s Time] [2021-11-19 14:34:35,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50279 states. [2021-11-19 14:34:38,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50279 to 50279. [2021-11-19 14:34:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50279 states, 36055 states have (on average 1.3413118846207184) internal successors, (48361), 36676 states have internal predecessors, (48361), 11656 states have call successors, (11656), 2556 states have call predecessors, (11656), 2566 states have return successors, (11710), 11486 states have call predecessors, (11710), 11656 states have call successors, (11710) [2021-11-19 14:34:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50279 states to 50279 states and 71727 transitions. [2021-11-19 14:34:39,307 INFO L78 Accepts]: Start accepts. Automaton has 50279 states and 71727 transitions. Word has length 551 [2021-11-19 14:34:39,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:39,308 INFO L470 AbstractCegarLoop]: Abstraction has 50279 states and 71727 transitions. [2021-11-19 14:34:39,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.0) internal successors, (375), 5 states have internal predecessors, (375), 3 states have call successors, (114), 3 states have call predecessors, (114), 4 states have return successors, (108), 4 states have call predecessors, (108), 3 states have call successors, (108) [2021-11-19 14:34:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 50279 states and 71727 transitions. [2021-11-19 14:34:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2021-11-19 14:34:39,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:39,347 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 19, 19, 19, 19, 19, 19, 13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:39,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 14:34:39,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2021-11-19 14:34:39,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:34:39,770 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:34:39,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:39,771 INFO L85 PathProgramCache]: Analyzing trace with hash 836715679, now seen corresponding path program 1 times [2021-11-19 14:34:39,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:39,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371516226] [2021-11-19 14:34:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:39,780 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:39,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:39,781 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:39,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 14:34:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:45,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 5919 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:34:45,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 172 proven. 3 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2021-11-19 14:34:47,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2463 trivial. 0 not checked. [2021-11-19 14:34:50,415 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:50,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371516226] [2021-11-19 14:34:50,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371516226] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:34:50,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2033837781] [2021-11-19 14:34:50,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:50,415 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:34:50,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:34:50,416 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:34:50,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06769083-2359-4f1c-816e-175ecfdd9ea2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process