./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS --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 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:01:15,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:01:15,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:01:15,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:01:15,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:01:15,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:01:15,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:01:15,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:01:15,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:01:15,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:01:15,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:01:15,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:01:15,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:01:15,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:01:15,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:01:15,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:01:15,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:01:15,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:01:15,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:01:15,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:01:15,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:01:15,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:01:15,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:01:15,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:01:15,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:01:15,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:01:15,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:01:15,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:01:15,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:01:15,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:01:15,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:01:15,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:01:15,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:01:15,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:01:15,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:01:15,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:01:15,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:01:15,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:01:15,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:01:15,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:01:15,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:01:15,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:01:15,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:01:15,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:01:15,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:01:15,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:01:15,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:01:15,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:01:15,604 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:01:15,604 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:01:15,605 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:01:15,605 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:01:15,605 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:01:15,605 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:01:15,606 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:01:15,606 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:01:15,606 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:01:15,606 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:01:15,607 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:01:15,607 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:01:15,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:01:15,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:01:15,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:01:15,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:01:15,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:01:15,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:01:15,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:01:15,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:01:15,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:01:15,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:01:15,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:01:15,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:01:15,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:01:15,613 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:01:15,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:01:15,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:01:15,613 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:01:15,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:01:15,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:01:15,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:01:15,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 [2022-11-19 07:01:15,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:01:15,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:01:15,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:01:15,952 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:01:15,953 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:01:15,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-19 07:01:16,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/data/b6b057048/0b9143a2a42f413c976e63b1e7440fae/FLAGb1d26971f [2022-11-19 07:01:17,096 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:01:17,097 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-19 07:01:17,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/data/b6b057048/0b9143a2a42f413c976e63b1e7440fae/FLAGb1d26971f [2022-11-19 07:01:17,439 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/data/b6b057048/0b9143a2a42f413c976e63b1e7440fae [2022-11-19 07:01:17,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:01:17,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:01:17,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:17,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:01:17,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:01:17,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:17" (1/1) ... [2022-11-19 07:01:17,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf4b6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:17, skipping insertion in model container [2022-11-19 07:01:17,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:17" (1/1) ... [2022-11-19 07:01:17,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:01:17,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:01:21,727 WARN L234 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_c36fc9a2-5335-4d83-b46b-49720a59def2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2022-11-19 07:01:21,731 WARN L234 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_c36fc9a2-5335-4d83-b46b-49720a59def2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2022-11-19 07:01:21,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:01:21,786 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:01:22,418 WARN L234 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_c36fc9a2-5335-4d83-b46b-49720a59def2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2022-11-19 07:01:22,419 WARN L234 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_c36fc9a2-5335-4d83-b46b-49720a59def2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2022-11-19 07:01:22,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:01:22,700 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:01:22,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22 WrapperNode [2022-11-19 07:01:22,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:22,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:01:22,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:01:22,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:01:22,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:22,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:22,954 INFO L138 Inliner]: procedures = 547, calls = 2335, calls flagged for inlining = 258, calls inlined = 200, statements flattened = 4975 [2022-11-19 07:01:22,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:01:22,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:01:22,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:01:22,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:01:22,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:22,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:23,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:23,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:23,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:23,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:23,143 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:23,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:23,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:01:23,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:01:23,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:01:23,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:01:23,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (1/1) ... [2022-11-19 07:01:23,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:01:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:01:23,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:01:23,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:01:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-11-19 07:01:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-11-19 07:01:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:01:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:01:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-19 07:01:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-19 07:01:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 07:01:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 07:01:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:01:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:01:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-11-19 07:01:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-11-19 07:01:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-11-19 07:01:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-11-19 07:01:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 07:01:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 07:01:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2022-11-19 07:01:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2022-11-19 07:01:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:01:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:01:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-11-19 07:01:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-11-19 07:01:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-19 07:01:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-19 07:01:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-11-19 07:01:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-11-19 07:01:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-11-19 07:01:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-11-19 07:01:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-11-19 07:01:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-11-19 07:01:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:01:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:01:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-11-19 07:01:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-11-19 07:01:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-11-19 07:01:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-11-19 07:01:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:01:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:01:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 07:01:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 07:01:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:01:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:01:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-11-19 07:01:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-11-19 07:01:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:01:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-19 07:01:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-19 07:01:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-11-19 07:01:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-11-19 07:01:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-11-19 07:01:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-11-19 07:01:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:01:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:01:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:01:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-11-19 07:01:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-11-19 07:01:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-19 07:01:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-19 07:01:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-19 07:01:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-19 07:01:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:01:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:01:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:01:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:01:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:01:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2022-11-19 07:01:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2022-11-19 07:01:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:01:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:01:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:01:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:01:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:01:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 07:01:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 07:01:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2022-11-19 07:01:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2022-11-19 07:01:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 07:01:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 07:01:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2022-11-19 07:01:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2022-11-19 07:01:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:01:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:01:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-11-19 07:01:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-11-19 07:01:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-11-19 07:01:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-11-19 07:01:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_uninit [2022-11-19 07:01:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_uninit [2022-11-19 07:01:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-19 07:01:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-19 07:01:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:01:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:01:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:01:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:01:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:01:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 07:01:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 07:01:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-19 07:01:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-19 07:01:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-19 07:01:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-19 07:01:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-19 07:01:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-19 07:01:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-11-19 07:01:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-11-19 07:01:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-19 07:01:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-19 07:01:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:01:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:01:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 07:01:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 07:01:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 07:01:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 07:01:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:01:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:01:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-11-19 07:01:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-11-19 07:01:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:01:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:01:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:01:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:01:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:01:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:01:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:01:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:01:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-11-19 07:01:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-11-19 07:01:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-19 07:01:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-19 07:01:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-11-19 07:01:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-11-19 07:01:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:01:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:01:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 07:01:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 07:01:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-19 07:01:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-19 07:01:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-11-19 07:01:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-11-19 07:01:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:01:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:01:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:01:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:01:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-19 07:01:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-19 07:01:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-11-19 07:01:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-11-19 07:01:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-19 07:01:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-19 07:01:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:01:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-11-19 07:01:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-11-19 07:01:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-11-19 07:01:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-11-19 07:01:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-11-19 07:01:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-11-19 07:01:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2022-11-19 07:01:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2022-11-19 07:01:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:01:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-19 07:01:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-19 07:01:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2022-11-19 07:01:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2022-11-19 07:01:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-11-19 07:01:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-11-19 07:01:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:01:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-19 07:01:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-19 07:01:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-11-19 07:01:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-11-19 07:01:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-11-19 07:01:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-11-19 07:01:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:01:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:01:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:01:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:01:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-19 07:01:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-19 07:01:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-11-19 07:01:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-11-19 07:01:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-19 07:01:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-19 07:01:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2022-11-19 07:01:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2022-11-19 07:01:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-11-19 07:01:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-11-19 07:01:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-19 07:01:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-19 07:01:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-19 07:01:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-19 07:01:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 07:01:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 07:01:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:01:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:01:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-19 07:01:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-19 07:01:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-11-19 07:01:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-11-19 07:01:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:01:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:01:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:01:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:01:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-11-19 07:01:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-11-19 07:01:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:01:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-19 07:01:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-19 07:01:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:01:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:01:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2022-11-19 07:01:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2022-11-19 07:01:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 07:01:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 07:01:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2022-11-19 07:01:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2022-11-19 07:01:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-11-19 07:01:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-11-19 07:01:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-19 07:01:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-19 07:01:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-19 07:01:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-19 07:01:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2022-11-19 07:01:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2022-11-19 07:01:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2022-11-19 07:01:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2022-11-19 07:01:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 07:01:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 07:01:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-19 07:01:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-19 07:01:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:01:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:01:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2022-11-19 07:01:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2022-11-19 07:01:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2022-11-19 07:01:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2022-11-19 07:01:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:01:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 07:01:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 07:01:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-19 07:01:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-19 07:01:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-19 07:01:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-19 07:01:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-11-19 07:01:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-11-19 07:01:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-11-19 07:01:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-11-19 07:01:24,402 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:01:24,410 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:01:24,629 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:01:30,430 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:01:31,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:01:31,711 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:01:31,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:01:31 BoogieIcfgContainer [2022-11-19 07:01:31,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:01:31,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:01:31,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:01:31,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:01:31,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:01:17" (1/3) ... [2022-11-19 07:01:31,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491ccaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:01:31, skipping insertion in model container [2022-11-19 07:01:31,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:22" (2/3) ... [2022-11-19 07:01:31,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491ccaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:01:31, skipping insertion in model container [2022-11-19 07:01:31,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:01:31" (3/3) ... [2022-11-19 07:01:31,728 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-19 07:01:31,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:01:31,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:01:31,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:01:31,849 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2fd70e72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:01:31,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:01:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 1231 states, 688 states have (on average 1.254360465116279) internal successors, (863), 727 states have internal predecessors, (863), 427 states have call successors, (427), 115 states have call predecessors, (427), 114 states have return successors, (423), 420 states have call predecessors, (423), 423 states have call successors, (423) [2022-11-19 07:01:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-19 07:01:31,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:31,888 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 07:01:31,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:01:31,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:31,895 INFO L85 PathProgramCache]: Analyzing trace with hash 887877384, now seen corresponding path program 1 times [2022-11-19 07:01:31,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:31,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406607097] [2022-11-19 07:01:31,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:31,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-19 07:01:35,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:35,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406607097] [2022-11-19 07:01:35,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406607097] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:01:35,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161370141] [2022-11-19 07:01:35,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:35,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:01:35,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:01:35,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:01:35,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:01:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:36,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 2774 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-19 07:01:36,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:01:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-19 07:01:36,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:01:36,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161370141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:36,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:01:36,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 12 [2022-11-19 07:01:36,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803559523] [2022-11-19 07:01:36,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:36,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:01:36,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:36,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:01:36,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:01:36,736 INFO L87 Difference]: Start difference. First operand has 1231 states, 688 states have (on average 1.254360465116279) internal successors, (863), 727 states have internal predecessors, (863), 427 states have call successors, (427), 115 states have call predecessors, (427), 114 states have return successors, (423), 420 states have call predecessors, (423), 423 states have call successors, (423) Second operand has 10 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-19 07:01:40,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:42,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:48,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:48,502 INFO L93 Difference]: Finished difference Result 2452 states and 3424 transitions. [2022-11-19 07:01:48,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:01:48,505 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 153 [2022-11-19 07:01:48,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:48,537 INFO L225 Difference]: With dead ends: 2452 [2022-11-19 07:01:48,537 INFO L226 Difference]: Without dead ends: 1201 [2022-11-19 07:01:48,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:01:48,554 INFO L413 NwaCegarLoop]: 1426 mSDtfsCounter, 15 mSDsluCounter, 11321 mSDsCounter, 0 mSdLazyCounter, 2687 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 12747 SdHoareTripleChecker+Invalid, 2702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:48,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 12747 Invalid, 2702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2687 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-11-19 07:01:48,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-11-19 07:01:48,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1201. [2022-11-19 07:01:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 683 states have (on average 1.2430453879941434) internal successors, (849), 718 states have internal predecessors, (849), 404 states have call successors, (404), 113 states have call predecessors, (404), 113 states have return successors, (404), 401 states have call predecessors, (404), 404 states have call successors, (404) [2022-11-19 07:01:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1657 transitions. [2022-11-19 07:01:48,732 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1657 transitions. Word has length 153 [2022-11-19 07:01:48,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:48,733 INFO L495 AbstractCegarLoop]: Abstraction has 1201 states and 1657 transitions. [2022-11-19 07:01:48,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-19 07:01:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1657 transitions. [2022-11-19 07:01:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-19 07:01:48,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:48,755 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 07:01:48,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:01:48,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 07:01:48,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:01:48,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:48,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1228479569, now seen corresponding path program 1 times [2022-11-19 07:01:48,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:48,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451182546] [2022-11-19 07:01:48,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:48,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-11-19 07:01:53,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:53,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451182546] [2022-11-19 07:01:53,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451182546] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:01:53,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672513977] [2022-11-19 07:01:53,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:53,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:01:53,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:01:53,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:01:53,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36fc9a2-5335-4d83-b46b-49720a59def2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:01:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:55,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 2916 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-19 07:01:55,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:01:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-11-19 07:01:55,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:01:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-19 07:01:55,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672513977] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:01:55,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [660046531] [2022-11-19 07:01:55,902 INFO L159 IcfgInterpreter]: Started Sifa with 114 locations of interest [2022-11-19 07:01:55,902 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:01:55,907 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:01:55,912 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:01:55,912 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:01:59,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 789 treesize of output 737 [2022-11-19 07:02:01,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:01,932 INFO L217 Elim1Store]: Index analysis took 317 ms [2022-11-19 07:02:02,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 128 select indices, 128 select index equivalence classes, 3015 disjoint index pairs (out of 8128 index pairs), introduced 128 new quantified variables, introduced 0 case distinctions, treesize of input 1181 treesize of output 1562 [2022-11-19 07:02:04,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:04,717 INFO L217 Elim1Store]: Index analysis took 278 ms [2022-11-19 07:02:05,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 128 select indices, 128 select index equivalence classes, 3015 disjoint index pairs (out of 8128 index pairs), introduced 128 new quantified variables, introduced 0 case distinctions, treesize of input 1181 treesize of output 1562 [2022-11-19 07:05:07,999 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 2444 for LOIs [2022-11-19 07:05:10,542 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_filter_positive_int with input of size 2455 for LOIs [2022-11-19 07:05:45,139 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 149 for LOIs [2022-11-19 07:05:45,165 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:06:33,182 WARN L233 SmtUtils]: Spent 46.42s on a formula simplification that was a NOOP. DAG size: 2457 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:07:24,173 WARN L233 SmtUtils]: Spent 49.40s on a formula simplification that was a NOOP. DAG size: 2474 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:09:04,781 WARN L233 SmtUtils]: Spent 1.65m on a formula simplification. DAG size of input: 2511 DAG size of output: 2508 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:09:57,407 WARN L233 SmtUtils]: Spent 50.86s on a formula simplification that was a NOOP. DAG size: 2444 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:10:46,569 WARN L233 SmtUtils]: Spent 47.44s on a formula simplification that was a NOOP. DAG size: 2452 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:12:32,108 WARN L233 SmtUtils]: Spent 1.73m on a formula simplification. DAG size of input: 2552 DAG size of output: 2517 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:14:19,639 WARN L233 SmtUtils]: Spent 1.76m on a formula simplification. DAG size of input: 2552 DAG size of output: 2517 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)