./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/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_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:08:26,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:08:26,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:08:26,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:08:26,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:08:26,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:08:26,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:08:26,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:08:26,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:08:26,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:08:26,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:08:26,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:08:26,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:08:26,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:08:26,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:08:26,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:08:26,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:08:26,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:08:26,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:08:26,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:08:26,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:08:26,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:08:26,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:08:26,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:08:26,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:08:26,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:08:26,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:08:26,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:08:26,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:08:26,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:08:26,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:08:26,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:08:26,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:08:26,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:08:26,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:08:26,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:08:26,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:08:26,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:08:26,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:08:26,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:08:26,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:08:26,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:08:26,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:08:26,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:08:26,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:08:26,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:08:26,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:08:26,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:08:26,772 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:08:26,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:08:26,773 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:08:26,773 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:08:26,774 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:08:26,775 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:08:26,775 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:08:26,775 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:08:26,775 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:08:26,776 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:08:26,776 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:08:26,776 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:08:26,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:08:26,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:08:26,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:08:26,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:08:26,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:08:26,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:08:26,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:08:26,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:08:26,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:08:26,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:08:26,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:08:26,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:26,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:08:26,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:08:26,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:08:26,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:08:26,782 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:08:26,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:08:26,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:08:26,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:08:26,783 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_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 [2022-11-22 01:08:27,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:08:27,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:08:27,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:08:27,206 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:08:27,207 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:08:27,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-22 01:08:30,490 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:08:31,153 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:08:31,153 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-22 01:08:31,215 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/data/4e1aa08a7/2f66f73860d946d3a354fa3a7f0db09d/FLAGe6da35601 [2022-11-22 01:08:31,239 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/data/4e1aa08a7/2f66f73860d946d3a354fa3a7f0db09d [2022-11-22 01:08:31,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:08:31,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:08:31,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:31,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:08:31,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:08:31,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:31" (1/1) ... [2022-11-22 01:08:31,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c889e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:31, skipping insertion in model container [2022-11-22 01:08:31,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:31" (1/1) ... [2022-11-22 01:08:31,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:08:31,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:08:35,391 WARN L237 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_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2022-11-22 01:08:35,395 WARN L237 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_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2022-11-22 01:08:35,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:35,448 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:08:35,903 WARN L237 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_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2022-11-22 01:08:35,904 WARN L237 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_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2022-11-22 01:08:35,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:36,241 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:08:36,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36 WrapperNode [2022-11-22 01:08:36,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:36,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:36,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:08:36,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:08:36,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,604 INFO L138 Inliner]: procedures = 547, calls = 2323, calls flagged for inlining = 258, calls inlined = 200, statements flattened = 4959 [2022-11-22 01:08:36,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:36,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:08:36,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:08:36,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:08:36,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:08:36,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:08:36,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:08:36,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:08:36,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (1/1) ... [2022-11-22 01:08:36,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:36,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:36,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:08:36,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:08:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-11-22 01:08:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-11-22 01:08:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:08:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:08:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-22 01:08:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-22 01:08:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 01:08:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 01:08:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:08:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:08:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-11-22 01:08:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-11-22 01:08:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-11-22 01:08:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-11-22 01:08:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 01:08:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 01:08:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2022-11-22 01:08:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2022-11-22 01:08:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:08:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:08:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-11-22 01:08:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-11-22 01:08:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-22 01:08:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-22 01:08:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-11-22 01:08:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-11-22 01:08:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-11-22 01:08:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-11-22 01:08:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-11-22 01:08:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-11-22 01:08:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:08:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:08:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-11-22 01:08:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-11-22 01:08:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-11-22 01:08:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-11-22 01:08:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:08:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:08:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 01:08:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 01:08:37,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:08:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:08:37,005 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-11-22 01:08:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-11-22 01:08:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:08:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-22 01:08:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-22 01:08:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-11-22 01:08:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-11-22 01:08:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-11-22 01:08:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-11-22 01:08:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:08:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:08:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:08:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-11-22 01:08:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-11-22 01:08:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-22 01:08:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-22 01:08:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-22 01:08:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-22 01:08:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:08:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:08:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:08:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:08:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:08:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2022-11-22 01:08:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2022-11-22 01:08:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:08:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:08:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:08:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:08:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:08:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:08:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:08:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2022-11-22 01:08:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2022-11-22 01:08:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:08:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:08:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2022-11-22 01:08:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2022-11-22 01:08:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:08:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:08:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-11-22 01:08:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-11-22 01:08:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-11-22 01:08:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-11-22 01:08:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_uninit [2022-11-22 01:08:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_uninit [2022-11-22 01:08:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-22 01:08:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-22 01:08:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:08:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:08:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:08:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:08:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:08:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 01:08:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 01:08:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:08:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:08:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 01:08:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 01:08:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-22 01:08:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-22 01:08:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-11-22 01:08:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-11-22 01:08:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 01:08:37,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 01:08:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:08:37,025 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:08:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:08:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:08:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 01:08:37,030 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 01:08:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:08:37,030 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:08:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-11-22 01:08:37,032 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-11-22 01:08:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:08:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:08:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 01:08:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 01:08:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:08:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:08:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:08:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:08:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-11-22 01:08:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-11-22 01:08:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-22 01:08:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-22 01:08:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-11-22 01:08:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-11-22 01:08:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:08:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:08:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:08:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:08:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-22 01:08:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-22 01:08:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-11-22 01:08:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-11-22 01:08:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:08:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:08:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 01:08:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 01:08:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-22 01:08:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-22 01:08:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-11-22 01:08:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-11-22 01:08:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-22 01:08:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-22 01:08:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:08:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-11-22 01:08:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-11-22 01:08:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-11-22 01:08:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-11-22 01:08:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-11-22 01:08:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-11-22 01:08:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2022-11-22 01:08:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2022-11-22 01:08:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:08:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-22 01:08:37,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-22 01:08:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2022-11-22 01:08:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2022-11-22 01:08:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-11-22 01:08:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-11-22 01:08:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:08:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-22 01:08:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-22 01:08:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-11-22 01:08:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-11-22 01:08:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-11-22 01:08:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-11-22 01:08:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:08:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:08:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:08:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:08:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-22 01:08:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-22 01:08:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-11-22 01:08:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-11-22 01:08:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-22 01:08:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-22 01:08:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2022-11-22 01:08:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2022-11-22 01:08:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-11-22 01:08:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-11-22 01:08:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-22 01:08:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-22 01:08:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-22 01:08:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-22 01:08:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:08:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:08:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:08:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:08:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-22 01:08:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-22 01:08:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-11-22 01:08:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-11-22 01:08:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:08:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:08:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:08:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:08:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-11-22 01:08:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-11-22 01:08:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:08:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-22 01:08:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-22 01:08:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:08:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:08:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2022-11-22 01:08:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2022-11-22 01:08:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:08:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:08:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2022-11-22 01:08:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2022-11-22 01:08:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-11-22 01:08:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-11-22 01:08:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-22 01:08:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-22 01:08:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-22 01:08:37,058 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-22 01:08:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2022-11-22 01:08:37,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2022-11-22 01:08:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2022-11-22 01:08:37,058 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2022-11-22 01:08:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 01:08:37,059 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 01:08:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-22 01:08:37,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-22 01:08:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:08:37,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:08:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2022-11-22 01:08:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2022-11-22 01:08:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2022-11-22 01:08:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2022-11-22 01:08:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:08:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:08:37,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:08:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-22 01:08:37,066 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-22 01:08:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-22 01:08:37,067 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-22 01:08:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-11-22 01:08:37,067 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-11-22 01:08:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-11-22 01:08:37,068 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-11-22 01:08:38,098 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:08:38,105 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:08:38,370 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:08:44,050 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:08:45,206 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:08:45,206 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:08:45,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:45 BoogieIcfgContainer [2022-11-22 01:08:45,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:08:45,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:08:45,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:08:45,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:08:45,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:31" (1/3) ... [2022-11-22 01:08:45,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebfab15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:45, skipping insertion in model container [2022-11-22 01:08:45,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:36" (2/3) ... [2022-11-22 01:08:45,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebfab15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:45, skipping insertion in model container [2022-11-22 01:08:45,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:45" (3/3) ... [2022-11-22 01:08:45,226 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-22 01:08:45,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:08:45,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:08:45,329 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:08:45,337 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;@59fe00df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:08:45,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:08:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 1233 states, 690 states have (on average 1.2565217391304349) internal successors, (867), 729 states have internal predecessors, (867), 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) [2022-11-22 01:08:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-22 01:08:45,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:45,376 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] [2022-11-22 01:08:45,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:08:45,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:45,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1213589222, now seen corresponding path program 1 times [2022-11-22 01:08:45,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:45,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302177779] [2022-11-22 01:08:45,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:45,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-22 01:08:48,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:48,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302177779] [2022-11-22 01:08:48,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302177779] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:08:48,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256252636] [2022-11-22 01:08:48,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:48,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:48,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:48,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:08:48,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:08:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:50,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 2742 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-22 01:08:50,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:08:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-22 01:08:50,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:08:50,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256252636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:50,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:08:50,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 12 [2022-11-22 01:08:50,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68032343] [2022-11-22 01:08:50,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:50,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:08:50,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:50,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:08:50,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:08:50,413 INFO L87 Difference]: Start difference. First operand has 1233 states, 690 states have (on average 1.2565217391304349) internal successors, (867), 729 states have internal predecessors, (867), 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) [2022-11-22 01:09:03,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:09:03,365 INFO L93 Difference]: Finished difference Result 2456 states and 3432 transitions. [2022-11-22 01:09:03,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 01:09:03,368 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 [2022-11-22 01:09:03,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:09:03,390 INFO L225 Difference]: With dead ends: 2456 [2022-11-22 01:09:03,391 INFO L226 Difference]: Without dead ends: 1203 [2022-11-22 01:09:03,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:09:03,406 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 15 mSDsluCounter, 11353 mSDsCounter, 0 mSdLazyCounter, 2687 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 12783 SdHoareTripleChecker+Invalid, 2702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:09:03,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 12783 Invalid, 2702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2687 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2022-11-22 01:09:03,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-11-22 01:09:03,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1203. [2022-11-22 01:09:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 685 states have (on average 1.2452554744525548) internal successors, (853), 720 states have internal predecessors, (853), 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) [2022-11-22 01:09:03,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1661 transitions. [2022-11-22 01:09:03,569 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1661 transitions. Word has length 153 [2022-11-22 01:09:03,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:09:03,570 INFO L495 AbstractCegarLoop]: Abstraction has 1203 states and 1661 transitions. [2022-11-22 01:09:03,570 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) [2022-11-22 01:09:03,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1661 transitions. [2022-11-22 01:09:03,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-22 01:09:03,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:09:03,587 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:09:03,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:09:03,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:09:03,799 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:09:03,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:09:03,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1835314138, now seen corresponding path program 1 times [2022-11-22 01:09:03,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:09:03,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015496903] [2022-11-22 01:09:03,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:09:03,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:09:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:09:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-22 01:09:08,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:09:08,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015496903] [2022-11-22 01:09:08,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015496903] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:09:08,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466740815] [2022-11-22 01:09:08,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:09:08,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:09:08,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:09:08,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:09:08,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8ba648-a0d4-4e63-ab2b-167b0e73fb90/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:09:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:09:09,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 2820 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-22 01:09:09,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:09:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-22 01:09:09,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:09:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-11-22 01:09:09,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466740815] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:09:09,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [788527361] [2022-11-22 01:09:09,960 INFO L159 IcfgInterpreter]: Started Sifa with 111 locations of interest [2022-11-22 01:09:09,961 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:09:09,965 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:09:09,970 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:09:09,970 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:09:14,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:14,472 INFO L217 Elim1Store]: Index analysis took 256 ms [2022-11-22 01:09:14,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 117 select indices, 117 select index equivalence classes, 2828 disjoint index pairs (out of 6786 index pairs), introduced 117 new quantified variables, introduced 0 case distinctions, treesize of input 1085 treesize of output 1433 [2022-11-22 01:09:15,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:15,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:16,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 1261 treesize of output 1104 [2022-11-22 01:09:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:18,783 INFO L217 Elim1Store]: Index analysis took 349 ms [2022-11-22 01:09:19,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 117 select indices, 117 select index equivalence classes, 2821 disjoint index pairs (out of 6786 index pairs), introduced 117 new quantified variables, introduced 0 case distinctions, treesize of input 1075 treesize of output 1415 [2022-11-22 01:09:20,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:09:20,317 INFO L217 Elim1Store]: Index analysis took 280 ms [2022-11-22 01:09:20,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 117 select indices, 117 select index equivalence classes, 2819 disjoint index pairs (out of 6786 index pairs), introduced 117 new quantified variables, introduced 0 case distinctions, treesize of input 1072 treesize of output 1408 [2022-11-22 01:12:08,812 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 2410 for LOIs [2022-11-22 01:12:11,447 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_filter_positive_int with input of size 2421 for LOIs [2022-11-22 01:12:55,505 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 149 for LOIs [2022-11-22 01:12:55,538 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:13:44,745 WARN L233 SmtUtils]: Spent 47.38s on a formula simplification that was a NOOP. DAG size: 2423 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:14:38,534 WARN L233 SmtUtils]: Spent 51.98s on a formula simplification that was a NOOP. DAG size: 2440 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:15:31,893 WARN L233 SmtUtils]: Spent 51.25s 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) [2022-11-22 01:16:21,663 WARN L233 SmtUtils]: Spent 47.99s on a formula simplification that was a NOOP. DAG size: 2410 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:17:13,870 WARN L233 SmtUtils]: Spent 50.30s on a formula simplification that was a NOOP. DAG size: 2418 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:19:03,670 WARN L233 SmtUtils]: Spent 1.79m on a formula simplification. DAG size of input: 2518 DAG size of output: 2484 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:20:50,577 WARN L233 SmtUtils]: Spent 1.75m on a formula simplification. DAG size of input: 2518 DAG size of output: 2484 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)