./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.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_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/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_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/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_84135492-03c4-405f-a327-e144b715b8cd/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 cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 --- 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 02:31:08,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:31:08,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:31:08,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:31:08,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:31:08,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:31:08,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:31:08,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:31:08,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:31:08,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:31:08,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:31:08,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:31:08,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:31:08,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:31:08,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:31:08,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:31:08,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:31:08,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:31:08,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:31:08,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:31:08,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:31:08,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:31:08,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:31:08,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:31:08,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:31:08,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:31:08,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:31:08,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:31:08,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:31:08,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:31:08,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:31:08,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:31:08,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:31:08,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:31:08,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:31:08,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:31:08,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:31:08,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:31:08,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:31:08,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:31:08,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:31:08,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:31:08,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:31:08,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:31:08,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:31:08,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:31:08,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:31:08,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:31:08,785 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:31:08,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:31:08,786 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:31:08,786 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:31:08,787 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:31:08,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:31:08,788 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:31:08,789 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:31:08,789 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:31:08,789 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:31:08,790 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:31:08,790 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:31:08,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:31:08,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:31:08,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:31:08,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:31:08,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:31:08,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:31:08,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:31:08,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:31:08,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:31:08,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:31:08,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:31:08,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:31:08,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:31:08,795 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:31:08,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:31:08,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:31:08,796 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:31:08,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:31:08,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:31:08,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:31:08,797 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_84135492-03c4-405f-a327-e144b715b8cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 [2022-11-22 02:31:09,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:31:09,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:31:09,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:31:09,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:31:09,158 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:31:09,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-22 02:31:12,140 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:31:12,976 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:31:12,977 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-22 02:31:13,054 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/data/c95f59681/ae8a080b5eeb40379502a847b2ac0da6/FLAGb2f29314e [2022-11-22 02:31:13,106 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/data/c95f59681/ae8a080b5eeb40379502a847b2ac0da6 [2022-11-22 02:31:13,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:31:13,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:31:13,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:31:13,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:31:13,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:31:13,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:31:13" (1/1) ... [2022-11-22 02:31:13,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142d50c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:13, skipping insertion in model container [2022-11-22 02:31:13,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:31:13" (1/1) ... [2022-11-22 02:31:13,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:31:13,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:31:18,720 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_84135492-03c4-405f-a327-e144b715b8cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-11-22 02:31:18,732 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_84135492-03c4-405f-a327-e144b715b8cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-11-22 02:31:18,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:31:18,894 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:31:19,438 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_84135492-03c4-405f-a327-e144b715b8cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-11-22 02:31:19,439 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_84135492-03c4-405f-a327-e144b715b8cd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-11-22 02:31:19,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:31:19,805 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:31:19,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19 WrapperNode [2022-11-22 02:31:19,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:31:19,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:31:19,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:31:19,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:31:19,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,412 INFO L138 Inliner]: procedures = 623, calls = 3565, calls flagged for inlining = 310, calls inlined = 274, statements flattened = 8067 [2022-11-22 02:31:20,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:31:20,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:31:20,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:31:20,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:31:20,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,918 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:20,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:31:20,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:31:20,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:31:20,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:31:20,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (1/1) ... [2022-11-22 02:31:21,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:31:21,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:31:21,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:31:21,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:31:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 02:31:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 02:31:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 02:31:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 02:31:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-11-22 02:31:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-11-22 02:31:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:31:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:31:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-11-22 02:31:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-11-22 02:31:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-22 02:31:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-22 02:31:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 02:31:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 02:31:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:31:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:31:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-11-22 02:31:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-11-22 02:31:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-22 02:31:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-22 02:31:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 02:31:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 02:31:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 02:31:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 02:31:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 02:31:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 02:31:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 02:31:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 02:31:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-11-22 02:31:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-11-22 02:31:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-11-22 02:31:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-11-22 02:31:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-11-22 02:31:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-11-22 02:31:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-11-22 02:31:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-11-22 02:31:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 02:31:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 02:31:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:31:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:31:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-11-22 02:31:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-11-22 02:31:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 02:31:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 02:31:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 02:31:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 02:31:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 02:31:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 02:31:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:31:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:31:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 02:31:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 02:31:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-11-22 02:31:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-11-22 02:31:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-22 02:31:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-22 02:31:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 02:31:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 02:31:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:31:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2022-11-22 02:31:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2022-11-22 02:31:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-22 02:31:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-22 02:31:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-11-22 02:31:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-11-22 02:31:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-22 02:31:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-22 02:31:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-11-22 02:31:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-11-22 02:31:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 02:31:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 02:31:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 02:31:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 02:31:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 02:31:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 02:31:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:31:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-11-22 02:31:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-11-22 02:31:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:31:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:31:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 02:31:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 02:31:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-11-22 02:31:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-11-22 02:31:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:31:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:31:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:31:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:31:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 02:31:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 02:31:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 02:31:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 02:31:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:31:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:31:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 02:31:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 02:31:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 02:31:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 02:31:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 02:31:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 02:31:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-22 02:31:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-22 02:31:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 02:31:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 02:31:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 02:31:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 02:31:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-11-22 02:31:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-11-22 02:31:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 02:31:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 02:31:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 02:31:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 02:31:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-11-22 02:31:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-11-22 02:31:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:31:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-11-22 02:31:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-11-22 02:31:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 02:31:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 02:31:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 02:31:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 02:31:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:31:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 02:31:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 02:31:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:31:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:31:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:31:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:31:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:31:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:31:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 02:31:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 02:31:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 02:31:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 02:31:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 02:31:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 02:31:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-22 02:31:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-22 02:31:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-11-22 02:31:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-11-22 02:31:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-11-22 02:31:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-11-22 02:31:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 02:31:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 02:31:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-22 02:31:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-22 02:31:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 02:31:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 02:31:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 02:31:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 02:31:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 02:31:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 02:31:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 02:31:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 02:31:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-11-22 02:31:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-11-22 02:31:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 02:31:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 02:31:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 02:31:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 02:31:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 02:31:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 02:31:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-11-22 02:31:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-11-22 02:31:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-22 02:31:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-22 02:31:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-22 02:31:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-22 02:31:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:31:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:31:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-22 02:31:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-22 02:31:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 02:31:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 02:31:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:31:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:31:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:31:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:31:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:31:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:31:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 02:31:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 02:31:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 02:31:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 02:31:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 02:31:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 02:31:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-11-22 02:31:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-11-22 02:31:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-22 02:31:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-22 02:31:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 02:31:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 02:31:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-22 02:31:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-22 02:31:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 02:31:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 02:31:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-22 02:31:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-22 02:31:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 02:31:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 02:31:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:31:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:31:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-11-22 02:31:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-11-22 02:31:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 02:31:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 02:31:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 02:31:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 02:31:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:31:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 02:31:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 02:31:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 02:31:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 02:31:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 02:31:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 02:31:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-11-22 02:31:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-11-22 02:31:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_114 [2022-11-22 02:31:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_114 [2022-11-22 02:31:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:31:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-11-22 02:31:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-11-22 02:31:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-11-22 02:31:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-11-22 02:31:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 02:31:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 02:31:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2022-11-22 02:31:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2022-11-22 02:31:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-11-22 02:31:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-11-22 02:31:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:31:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-11-22 02:31:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-11-22 02:31:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 02:31:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 02:31:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-22 02:31:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-22 02:31:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 02:31:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 02:31:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:31:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:31:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 02:31:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 02:31:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 02:31:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 02:31:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-11-22 02:31:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-11-22 02:31:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-11-22 02:31:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-11-22 02:31:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-11-22 02:31:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-11-22 02:31:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 02:31:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 02:31:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-22 02:31:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-22 02:31:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-11-22 02:31:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-11-22 02:31:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:31:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:31:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-22 02:31:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-22 02:31:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-11-22 02:31:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-11-22 02:31:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:31:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:31:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:31:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-11-22 02:31:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-11-22 02:31:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:31:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:31:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-11-22 02:31:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-11-22 02:31:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-11-22 02:31:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-11-22 02:31:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 02:31:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 02:31:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 02:31:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 02:31:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-11-22 02:31:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-11-22 02:31:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2022-11-22 02:31:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2022-11-22 02:31:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 02:31:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 02:31:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-11-22 02:31:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-11-22 02:31:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-22 02:31:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-22 02:31:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:31:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:31:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-22 02:31:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-22 02:31:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:31:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:31:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-11-22 02:31:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-11-22 02:31:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-22 02:31:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-22 02:31:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 02:31:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 02:31:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-11-22 02:31:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-11-22 02:31:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-22 02:31:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-22 02:31:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 02:31:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 02:31:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:31:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-22 02:31:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-22 02:31:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 02:31:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 02:31:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-11-22 02:31:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-11-22 02:31:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-11-22 02:31:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-11-22 02:31:22,725 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:31:22,730 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:31:23,160 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:31:34,637 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 02:31:34,907 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:31:37,876 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:31:37,876 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:31:37,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:31:37 BoogieIcfgContainer [2022-11-22 02:31:37,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:31:37,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:31:37,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:31:37,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:31:37,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:31:13" (1/3) ... [2022-11-22 02:31:37,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd741a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:31:37, skipping insertion in model container [2022-11-22 02:31:37,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:31:19" (2/3) ... [2022-11-22 02:31:37,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd741a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:31:37, skipping insertion in model container [2022-11-22 02:31:37,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:31:37" (3/3) ... [2022-11-22 02:31:37,900 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-22 02:31:37,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:31:37,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:31:38,170 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:31:38,177 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;@15a9ee2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:31:38,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:31:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 2192 states, 1276 states have (on average 1.2758620689655173) internal successors, (1628), 1301 states have internal predecessors, (1628), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) [2022-11-22 02:31:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-22 02:31:38,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:31:38,232 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:38,232 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:31:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:31:38,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1473982631, now seen corresponding path program 1 times [2022-11-22 02:31:38,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:31:38,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144672260] [2022-11-22 02:31:38,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:31:38,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:31:38,751 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:31:38,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955183967] [2022-11-22 02:31:38,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:31:38,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:31:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:31:38,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:31:38,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:31:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:31:40,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 3744 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:31:40,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:31:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2022-11-22 02:31:41,003 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:31:41,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:31:41,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144672260] [2022-11-22 02:31:41,020 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:31:41,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955183967] [2022-11-22 02:31:41,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955183967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:31:41,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:31:41,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:31:41,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070171374] [2022-11-22 02:31:41,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:31:41,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:31:41,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:31:41,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:31:41,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:31:41,071 INFO L87 Difference]: Start difference. First operand has 2192 states, 1276 states have (on average 1.2758620689655173) internal successors, (1628), 1301 states have internal predecessors, (1628), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 02:31:43,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:47,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:50,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:50,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:31:50,905 INFO L93 Difference]: Finished difference Result 5860 states and 8440 transitions. [2022-11-22 02:31:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:31:50,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 197 [2022-11-22 02:31:50,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:31:50,945 INFO L225 Difference]: With dead ends: 5860 [2022-11-22 02:31:50,946 INFO L226 Difference]: Without dead ends: 3632 [2022-11-22 02:31:50,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:31:50,969 INFO L413 NwaCegarLoop]: 3337 mSDtfsCounter, 2186 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 6013 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:31:50,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2186 Valid, 6013 Invalid, 845 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 823 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2022-11-22 02:31:50,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3632 states. [2022-11-22 02:31:51,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3632 to 3628. [2022-11-22 02:31:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3628 states, 2149 states have (on average 1.2712889716147044) internal successors, (2732), 2188 states have internal predecessors, (2732), 1218 states have call successors, (1218), 260 states have call predecessors, (1218), 260 states have return successors, (1218), 1213 states have call predecessors, (1218), 1218 states have call successors, (1218) [2022-11-22 02:31:51,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3628 states and 5168 transitions. [2022-11-22 02:31:51,287 INFO L78 Accepts]: Start accepts. Automaton has 3628 states and 5168 transitions. Word has length 197 [2022-11-22 02:31:51,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:31:51,290 INFO L495 AbstractCegarLoop]: Abstraction has 3628 states and 5168 transitions. [2022-11-22 02:31:51,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 02:31:51,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5168 transitions. [2022-11-22 02:31:51,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-22 02:31:51,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:31:51,310 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:31:51,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:31:51,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-22 02:31:51,524 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:31:51,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:31:51,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1230566334, now seen corresponding path program 1 times [2022-11-22 02:31:51,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:31:51,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544909150] [2022-11-22 02:31:51,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:31:51,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:31:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:31:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2022-11-22 02:31:52,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:31:52,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544909150] [2022-11-22 02:31:52,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544909150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:31:52,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:31:52,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:31:52,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519099062] [2022-11-22 02:31:52,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:31:52,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:31:52,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:31:52,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:31:52,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:31:52,165 INFO L87 Difference]: Start difference. First operand 3628 states and 5168 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 02:31:54,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:56,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:59,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:01,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:02,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:32:02,995 INFO L93 Difference]: Finished difference Result 9260 states and 13106 transitions. [2022-11-22 02:32:02,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:32:02,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 202 [2022-11-22 02:32:02,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:32:03,031 INFO L225 Difference]: With dead ends: 9260 [2022-11-22 02:32:03,031 INFO L226 Difference]: Without dead ends: 5661 [2022-11-22 02:32:03,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:32:03,048 INFO L413 NwaCegarLoop]: 3157 mSDtfsCounter, 1898 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1898 SdHoareTripleChecker+Valid, 5797 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:32:03,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1898 Valid, 5797 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 799 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2022-11-22 02:32:03,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5661 states. [2022-11-22 02:32:03,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5661 to 5657. [2022-11-22 02:32:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5657 states, 3348 states have (on average 1.2610513739545997) internal successors, (4222), 3409 states have internal predecessors, (4222), 1873 states have call successors, (1873), 436 states have call predecessors, (1873), 435 states have return successors, (1873), 1863 states have call predecessors, (1873), 1873 states have call successors, (1873) [2022-11-22 02:32:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5657 states to 5657 states and 7968 transitions. [2022-11-22 02:32:03,377 INFO L78 Accepts]: Start accepts. Automaton has 5657 states and 7968 transitions. Word has length 202 [2022-11-22 02:32:03,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:32:03,378 INFO L495 AbstractCegarLoop]: Abstraction has 5657 states and 7968 transitions. [2022-11-22 02:32:03,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 02:32:03,378 INFO L276 IsEmpty]: Start isEmpty. Operand 5657 states and 7968 transitions. [2022-11-22 02:32:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-22 02:32:03,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:32:03,386 INFO L195 NwaCegarLoop]: trace histogram [16, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:32:03,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:32:03,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:32:03,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:32:03,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1334433758, now seen corresponding path program 1 times [2022-11-22 02:32:03,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:32:03,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746571285] [2022-11-22 02:32:03,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:03,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:32:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:32:03,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:32:03,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746571285] [2022-11-22 02:32:03,630 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-22 02:32:03,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454437799] [2022-11-22 02:32:03,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:03,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:32:03,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:32:03,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:32:03,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:32:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:32:05,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 3924 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:32:05,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:32:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2022-11-22 02:32:05,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:32:05,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454437799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:32:05,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:32:05,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:32:05,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742042787] [2022-11-22 02:32:05,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:32:05,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:32:05,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:32:05,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:32:05,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:32:05,583 INFO L87 Difference]: Start difference. First operand 5657 states and 7968 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 02:32:08,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:11,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:13,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:15,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:32:15,021 INFO L93 Difference]: Finished difference Result 13656 states and 19199 transitions. [2022-11-22 02:32:15,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:32:15,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 238 [2022-11-22 02:32:15,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:32:15,091 INFO L225 Difference]: With dead ends: 13656 [2022-11-22 02:32:15,091 INFO L226 Difference]: Without dead ends: 8028 [2022-11-22 02:32:15,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:32:15,130 INFO L413 NwaCegarLoop]: 3460 mSDtfsCounter, 2776 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 35 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2776 SdHoareTripleChecker+Valid, 5646 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:32:15,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2776 Valid, 5646 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 802 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2022-11-22 02:32:15,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8028 states. [2022-11-22 02:32:15,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8028 to 8022. [2022-11-22 02:32:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8022 states, 4759 states have (on average 1.263920991805001) internal successors, (6015), 4842 states have internal predecessors, (6015), 2623 states have call successors, (2623), 640 states have call predecessors, (2623), 639 states have return successors, (2623), 2608 states have call predecessors, (2623), 2623 states have call successors, (2623) [2022-11-22 02:32:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8022 states to 8022 states and 11261 transitions. [2022-11-22 02:32:15,766 INFO L78 Accepts]: Start accepts. Automaton has 8022 states and 11261 transitions. Word has length 238 [2022-11-22 02:32:15,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:32:15,769 INFO L495 AbstractCegarLoop]: Abstraction has 8022 states and 11261 transitions. [2022-11-22 02:32:15,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 02:32:15,770 INFO L276 IsEmpty]: Start isEmpty. Operand 8022 states and 11261 transitions. [2022-11-22 02:32:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-22 02:32:15,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:32:15,781 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:32:15,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:32:16,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:32:16,005 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:32:16,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:32:16,006 INFO L85 PathProgramCache]: Analyzing trace with hash 243102482, now seen corresponding path program 1 times [2022-11-22 02:32:16,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:32:16,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270773206] [2022-11-22 02:32:16,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:16,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:32:16,213 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:32:16,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387149208] [2022-11-22 02:32:16,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:16,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:32:16,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:32:16,220 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:32:16,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:32:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:32:17,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 4000 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:32:17,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:32:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2022-11-22 02:32:18,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:32:18,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:32:18,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270773206] [2022-11-22 02:32:18,069 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:32:18,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387149208] [2022-11-22 02:32:18,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387149208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:32:18,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:32:18,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:32:18,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060243799] [2022-11-22 02:32:18,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:32:18,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:32:18,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:32:18,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:32:18,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:32:18,072 INFO L87 Difference]: Start difference. First operand 8022 states and 11261 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-22 02:32:21,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:24,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:26,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:28,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:32:28,843 INFO L93 Difference]: Finished difference Result 17876 states and 25092 transitions. [2022-11-22 02:32:28,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:32:28,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 244 [2022-11-22 02:32:28,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:32:28,915 INFO L225 Difference]: With dead ends: 17876 [2022-11-22 02:32:28,916 INFO L226 Difference]: Without dead ends: 9883 [2022-11-22 02:32:28,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:32:28,962 INFO L413 NwaCegarLoop]: 3845 mSDtfsCounter, 2112 mSDsluCounter, 2610 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 19 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2112 SdHoareTripleChecker+Valid, 6455 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:32:28,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2112 Valid, 6455 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 955 Invalid, 3 Unknown, 0 Unchecked, 10.3s Time] [2022-11-22 02:32:28,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9883 states. [2022-11-22 02:32:29,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9883 to 9878. [2022-11-22 02:32:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9878 states, 5871 states have (on average 1.2634985522057571) internal successors, (7418), 5973 states have internal predecessors, (7418), 3212 states have call successors, (3212), 795 states have call predecessors, (3212), 794 states have return successors, (3212), 3193 states have call predecessors, (3212), 3212 states have call successors, (3212) [2022-11-22 02:32:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9878 states to 9878 states and 13842 transitions. [2022-11-22 02:32:29,668 INFO L78 Accepts]: Start accepts. Automaton has 9878 states and 13842 transitions. Word has length 244 [2022-11-22 02:32:29,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:32:29,669 INFO L495 AbstractCegarLoop]: Abstraction has 9878 states and 13842 transitions. [2022-11-22 02:32:29,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-22 02:32:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 9878 states and 13842 transitions. [2022-11-22 02:32:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-22 02:32:29,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:32:29,683 INFO L195 NwaCegarLoop]: trace histogram [20, 14, 14, 14, 14, 14, 14, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:32:29,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 02:32:29,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:32:29,898 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:32:29,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:32:29,899 INFO L85 PathProgramCache]: Analyzing trace with hash -890851141, now seen corresponding path program 1 times [2022-11-22 02:32:29,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:32:29,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272459036] [2022-11-22 02:32:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:32:30,109 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:32:30,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207051053] [2022-11-22 02:32:30,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:30,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:32:30,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:32:30,112 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:32:30,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:32:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:32:32,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 4209 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-22 02:32:32,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:33:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1037 trivial. 0 not checked. [2022-11-22 02:33:04,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:33:04,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:04,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272459036] [2022-11-22 02:33:04,268 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:33:04,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207051053] [2022-11-22 02:33:04,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207051053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:04,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:04,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:33:04,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446507822] [2022-11-22 02:33:04,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:04,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:33:04,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:04,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:33:04,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:33:04,272 INFO L87 Difference]: Start difference. First operand 9878 states and 13842 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-22 02:33:10,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:16,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:20,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:21,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:24,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:24,656 INFO L93 Difference]: Finished difference Result 12428 states and 17316 transitions. [2022-11-22 02:33:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:33:24,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) Word has length 306 [2022-11-22 02:33:24,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:24,726 INFO L225 Difference]: With dead ends: 12428 [2022-11-22 02:33:24,726 INFO L226 Difference]: Without dead ends: 12426 [2022-11-22 02:33:24,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:33:24,736 INFO L413 NwaCegarLoop]: 3190 mSDtfsCounter, 1726 mSDsluCounter, 11327 mSDsCounter, 0 mSdLazyCounter, 2818 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 14517 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2818 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:24,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1727 Valid, 14517 Invalid, 2820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2818 Invalid, 2 Unknown, 0 Unchecked, 19.6s Time] [2022-11-22 02:33:24,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12426 states. [2022-11-22 02:33:25,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12426 to 12419. [2022-11-22 02:33:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12419 states, 7399 states have (on average 1.2600351398837681) internal successors, (9323), 7532 states have internal predecessors, (9323), 3990 states have call successors, (3990), 1038 states have call predecessors, (3990), 1029 states have return successors, (3994), 3946 states have call predecessors, (3994), 3990 states have call successors, (3994) [2022-11-22 02:33:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12419 states to 12419 states and 17307 transitions. [2022-11-22 02:33:25,606 INFO L78 Accepts]: Start accepts. Automaton has 12419 states and 17307 transitions. Word has length 306 [2022-11-22 02:33:25,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:25,611 INFO L495 AbstractCegarLoop]: Abstraction has 12419 states and 17307 transitions. [2022-11-22 02:33:25,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-22 02:33:25,611 INFO L276 IsEmpty]: Start isEmpty. Operand 12419 states and 17307 transitions. [2022-11-22 02:33:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-11-22 02:33:25,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:25,634 INFO L195 NwaCegarLoop]: trace histogram [21, 14, 14, 14, 14, 14, 14, 10, 10, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:25,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:33:25,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:33:25,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:33:25,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1449324865, now seen corresponding path program 1 times [2022-11-22 02:33:25,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:25,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264425247] [2022-11-22 02:33:25,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:25,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:26,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:26,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264425247] [2022-11-22 02:33:26,305 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-22 02:33:26,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055144488] [2022-11-22 02:33:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:26,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:33:26,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:33:26,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:33:26,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 02:33:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:28,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 4495 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:33:28,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:33:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2022-11-22 02:33:28,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:33:28,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055144488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:28,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:28,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:33:28,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075398305] [2022-11-22 02:33:28,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:28,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:33:28,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:28,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:33:28,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:33:28,099 INFO L87 Difference]: Start difference. First operand 12419 states and 17307 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-22 02:33:31,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:34,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:36,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:38,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:38,787 INFO L93 Difference]: Finished difference Result 36028 states and 50194 transitions. [2022-11-22 02:33:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:33:38,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 374 [2022-11-22 02:33:38,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:38,908 INFO L225 Difference]: With dead ends: 36028 [2022-11-22 02:33:38,908 INFO L226 Difference]: Without dead ends: 23656 [2022-11-22 02:33:38,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:33:38,969 INFO L413 NwaCegarLoop]: 3774 mSDtfsCounter, 2872 mSDsluCounter, 2629 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 6403 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:38,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2872 Valid, 6403 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 852 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2022-11-22 02:33:39,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23656 states. [2022-11-22 02:33:40,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23656 to 23634. [2022-11-22 02:33:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23634 states, 14119 states have (on average 1.261279127416956) internal successors, (17808), 14399 states have internal predecessors, (17808), 7542 states have call successors, (7542), 2013 states have call predecessors, (7542), 1972 states have return successors, (7566), 7398 states have call predecessors, (7566), 7542 states have call successors, (7566) [2022-11-22 02:33:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23634 states to 23634 states and 32916 transitions. [2022-11-22 02:33:40,819 INFO L78 Accepts]: Start accepts. Automaton has 23634 states and 32916 transitions. Word has length 374 [2022-11-22 02:33:40,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:40,819 INFO L495 AbstractCegarLoop]: Abstraction has 23634 states and 32916 transitions. [2022-11-22 02:33:40,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-22 02:33:40,820 INFO L276 IsEmpty]: Start isEmpty. Operand 23634 states and 32916 transitions. [2022-11-22 02:33:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-22 02:33:40,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:40,864 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 14, 14, 14, 10, 10, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:40,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 02:33:41,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:33:41,086 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:33:41,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:41,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1852569720, now seen corresponding path program 1 times [2022-11-22 02:33:41,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:41,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910493028] [2022-11-22 02:33:41,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:41,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:41,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:41,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910493028] [2022-11-22 02:33:41,387 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-22 02:33:41,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234957874] [2022-11-22 02:33:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:41,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:33:41,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:33:41,389 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:33:41,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 02:33:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:43,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 4797 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:33:43,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:33:43,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2022-11-22 02:33:43,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:33:43,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234957874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:43,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:43,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:33:43,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813566853] [2022-11-22 02:33:43,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:43,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:33:43,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:43,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:33:43,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:33:43,464 INFO L87 Difference]: Start difference. First operand 23634 states and 32916 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-22 02:33:46,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:48,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:51,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:54,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:54,612 INFO L93 Difference]: Finished difference Result 67156 states and 93820 transitions. [2022-11-22 02:33:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:33:54,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 410 [2022-11-22 02:33:54,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:54,820 INFO L225 Difference]: With dead ends: 67156 [2022-11-22 02:33:54,820 INFO L226 Difference]: Without dead ends: 43569 [2022-11-22 02:33:54,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:33:54,899 INFO L413 NwaCegarLoop]: 4092 mSDtfsCounter, 2893 mSDsluCounter, 2672 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 6764 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:54,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2893 Valid, 6764 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 918 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-22 02:33:54,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43569 states. [2022-11-22 02:33:57,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43569 to 43455. [2022-11-22 02:33:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43455 states, 26068 states have (on average 1.2622755869264999) internal successors, (32905), 26600 states have internal predecessors, (32905), 13869 states have call successors, (13869), 3597 states have call predecessors, (13869), 3517 states have return successors, (13973), 13577 states have call predecessors, (13973), 13869 states have call successors, (13973) [2022-11-22 02:33:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43455 states to 43455 states and 60747 transitions. [2022-11-22 02:33:58,089 INFO L78 Accepts]: Start accepts. Automaton has 43455 states and 60747 transitions. Word has length 410 [2022-11-22 02:33:58,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:58,090 INFO L495 AbstractCegarLoop]: Abstraction has 43455 states and 60747 transitions. [2022-11-22 02:33:58,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-22 02:33:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 43455 states and 60747 transitions. [2022-11-22 02:33:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-11-22 02:33:58,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:58,124 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 14, 14, 14, 11, 11, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:58,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 02:33:58,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:33:58,349 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:33:58,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:58,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1267189847, now seen corresponding path program 1 times [2022-11-22 02:33:58,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:58,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748210266] [2022-11-22 02:33:58,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:58,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:58,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748210266] [2022-11-22 02:33:58,601 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-22 02:33:58,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560093111] [2022-11-22 02:33:58,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:58,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:33:58,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:33:58,603 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:33:58,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 02:34:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:00,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:34:01,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:34:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1239 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-11-22 02:34:01,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:34:01,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560093111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:01,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:01,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:34:01,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826453272] [2022-11-22 02:34:01,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:01,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:34:01,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:01,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:34:01,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:34:01,105 INFO L87 Difference]: Start difference. First operand 43455 states and 60747 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-22 02:34:08,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:10,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:14,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:14,607 INFO L93 Difference]: Finished difference Result 129615 states and 181157 transitions. [2022-11-22 02:34:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:34:14,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 392 [2022-11-22 02:34:14,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:15,332 INFO L225 Difference]: With dead ends: 129615 [2022-11-22 02:34:15,332 INFO L226 Difference]: Without dead ends: 86207 [2022-11-22 02:34:15,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:34:15,506 INFO L413 NwaCegarLoop]: 4053 mSDtfsCounter, 2869 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 6755 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:15,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 6755 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 896 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-22 02:34:15,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86207 states. [2022-11-22 02:34:20,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86207 to 86058. [2022-11-22 02:34:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86058 states, 51605 states have (on average 1.261079352775894) internal successors, (65078), 52735 states have internal predecessors, (65078), 27463 states have call successors, (27463), 7150 states have call predecessors, (27463), 6989 states have return successors, (27670), 26808 states have call predecessors, (27670), 27463 states have call successors, (27670) [2022-11-22 02:34:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86058 states to 86058 states and 120211 transitions. [2022-11-22 02:34:21,161 INFO L78 Accepts]: Start accepts. Automaton has 86058 states and 120211 transitions. Word has length 392 [2022-11-22 02:34:21,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:21,164 INFO L495 AbstractCegarLoop]: Abstraction has 86058 states and 120211 transitions. [2022-11-22 02:34:21,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-22 02:34:21,164 INFO L276 IsEmpty]: Start isEmpty. Operand 86058 states and 120211 transitions. [2022-11-22 02:34:21,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-11-22 02:34:21,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:21,233 INFO L195 NwaCegarLoop]: trace histogram [23, 14, 14, 14, 14, 14, 14, 12, 12, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:21,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 02:34:21,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-22 02:34:21,450 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:34:21,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:21,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1770916320, now seen corresponding path program 1 times [2022-11-22 02:34:21,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:21,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266475897] [2022-11-22 02:34:21,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:21,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:22,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:22,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266475897] [2022-11-22 02:34:22,011 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-22 02:34:22,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17878067] [2022-11-22 02:34:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:22,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:34:22,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:34:22,013 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:34:22,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 02:34:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:23,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 4596 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:34:23,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:34:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1049 trivial. 0 not checked. [2022-11-22 02:34:23,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:34:23,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17878067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:23,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:23,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:34:23,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160148073] [2022-11-22 02:34:23,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:23,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:34:23,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:24,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:34:24,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:34:24,001 INFO L87 Difference]: Start difference. First operand 86058 states and 120211 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-22 02:34:27,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:29,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:30,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:32,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:35,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:38,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:38,328 INFO L93 Difference]: Finished difference Result 172703 states and 240813 transitions. [2022-11-22 02:34:38,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:34:38,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 407 [2022-11-22 02:34:38,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:38,822 INFO L225 Difference]: With dead ends: 172703 [2022-11-22 02:34:38,822 INFO L226 Difference]: Without dead ends: 86692 [2022-11-22 02:34:39,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:34:39,097 INFO L413 NwaCegarLoop]: 2699 mSDtfsCounter, 80 mSDsluCounter, 2674 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 5373 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:39,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 5373 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 765 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-11-22 02:34:39,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86692 states. [2022-11-22 02:34:43,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86692 to 86692. [2022-11-22 02:34:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86692 states, 51994 states have (on average 1.2592606839250682) internal successors, (65474), 53124 states have internal predecessors, (65474), 27490 states have call successors, (27490), 7368 states have call predecessors, (27490), 7207 states have return successors, (27697), 26835 states have call predecessors, (27697), 27490 states have call successors, (27697) [2022-11-22 02:34:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86692 states to 86692 states and 120661 transitions. [2022-11-22 02:34:44,064 INFO L78 Accepts]: Start accepts. Automaton has 86692 states and 120661 transitions. Word has length 407 [2022-11-22 02:34:44,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:44,064 INFO L495 AbstractCegarLoop]: Abstraction has 86692 states and 120661 transitions. [2022-11-22 02:34:44,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-22 02:34:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 86692 states and 120661 transitions. [2022-11-22 02:34:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-11-22 02:34:44,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:44,123 INFO L195 NwaCegarLoop]: trace histogram [23, 14, 14, 14, 14, 14, 14, 12, 12, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:44,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 02:34:44,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:34:44,341 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:34:44,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:44,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1933031950, now seen corresponding path program 2 times [2022-11-22 02:34:44,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:44,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592480259] [2022-11-22 02:34:44,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:44,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:45,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:45,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592480259] [2022-11-22 02:34:45,059 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-22 02:34:45,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470249344] [2022-11-22 02:34:45,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:34:45,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:34:45,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:34:45,061 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:34:45,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84135492-03c4-405f-a327-e144b715b8cd/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 02:34:48,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-22 02:34:48,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:34:48,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 102 conjunts are in the unsatisfiable core [2022-11-22 02:34:48,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:34:48,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 94 [2022-11-22 02:34:48,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:48,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:48,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:48,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:48,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:48,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:49,355 INFO L321 Elim1Store]: treesize reduction 278, result has 8.9 percent of original size [2022-11-22 02:34:49,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 34 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 314 treesize of output 835 [2022-11-22 02:34:54,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:54,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:55,368 INFO L321 Elim1Store]: treesize reduction 192, result has 7.2 percent of original size [2022-11-22 02:34:55,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 9 select indices, 9 select index equivalence classes, 34 disjoint index pairs (out of 36 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 1350 [2022-11-22 02:34:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 282 treesize of output 104 [2022-11-22 02:34:58,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:34:58,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 378 treesize of output 107 [2022-11-22 02:35:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:35:00,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 282 treesize of output 104 [2022-11-22 02:35:07,715 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:35:20,635 WARN L233 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 103 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:36:08,829 WARN L233 SmtUtils]: Spent 27.26s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:36:20,262 WARN L233 SmtUtils]: Spent 7.96s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:36:20,262 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:36:20,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 974 treesize of output 958 [2022-11-22 02:36:20,547 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:36:20,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 944 treesize of output 928