./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh --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 f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 --- 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-2329fc7 [2022-12-14 07:08:09,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:08:09,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:08:09,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:08:09,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:08:09,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:08:09,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:08:09,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:08:09,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:08:09,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:08:09,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:08:09,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:08:09,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:08:09,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:08:09,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:08:09,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:08:09,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:08:09,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:08:09,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:08:09,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:08:09,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:08:09,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:08:09,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:08:09,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:08:09,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:08:09,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:08:09,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:08:09,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:08:09,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:08:09,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:08:09,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:08:09,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:08:09,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:08:09,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:08:09,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:08:09,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:08:09,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:08:09,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:08:09,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:08:09,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:08:09,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:08:09,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:08:09,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:08:09,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:08:09,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:08:09,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:08:09,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:08:09,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:08:09,993 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:08:09,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:08:09,994 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:08:09,994 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:08:09,994 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:08:09,994 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:08:09,994 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:08:09,994 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:08:09,994 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:08:09,994 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:08:09,994 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:08:09,995 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:08:09,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:08:09,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:08:09,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:08:09,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:08:09,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:08:09,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:08:09,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:08:09,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:08:09,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:08:09,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:08:09,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:08:09,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:08:09,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:08:09,997 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:08:09,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:08:09,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:08:09,997 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:08:09,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:08:09,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:08:09,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:08:09,997 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_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 [2022-12-14 07:08:10,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:08:10,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:08:10,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:08:10,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:08:10,196 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:08:10,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-12-14 07:08:12,706 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:08:13,054 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:08:13,054 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-12-14 07:08:13,077 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/data/a1f472d72/5f1a048bcf8b44bda44e14bad94bc975/FLAG5372d0735 [2022-12-14 07:08:13,283 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/data/a1f472d72/5f1a048bcf8b44bda44e14bad94bc975 [2022-12-14 07:08:13,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:08:13,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:08:13,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:08:13,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:08:13,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:08:13,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:08:13" (1/1) ... [2022-12-14 07:08:13,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663a71d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:13, skipping insertion in model container [2022-12-14 07:08:13,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:08:13" (1/1) ... [2022-12-14 07:08:13,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:08:13,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:08:13,971 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:08:13,977 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:08:14,015 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 07:08:14,024 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 07:08:14,033 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 07:08:14,055 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 07:08:14,059 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 07:08:14,073 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 07:08:14,074 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 07:08:14,074 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 07:08:14,079 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 07:08:14,080 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 07:08:14,080 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 07:08:14,251 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 07:08:14,314 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 07:08:14,355 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 07:08:14,361 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 07:08:14,408 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 07:08:14,409 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 07:08:14,409 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 07:08:14,521 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,558 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,566 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,566 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,579 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,687 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,698 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 07:08:14,699 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,705 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,718 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 07:08:14,719 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 07:08:14,721 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 07:08:14,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,723 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 07:08:14,724 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 07:08:14,726 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:14,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,727 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 07:08:14,728 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 07:08:14,728 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 07:08:14,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,730 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 07:08:14,730 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 07:08:14,731 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 07:08:14,731 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:08:14,733 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:14,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,736 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,736 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,736 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,737 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,737 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,738 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,738 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,740 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,741 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,742 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:14,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,747 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:08:14,748 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 07:08:14,749 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 07:08:14,750 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:08:14,750 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:14,751 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:08:14,752 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:08:14,753 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 07:08:14,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,760 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,762 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 07:08:14,764 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:08:14,765 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:08:14,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,769 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 07:08:14,770 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:08:14,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,771 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:08:14,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,773 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:08:14,774 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:08:14,777 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:08:14,777 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,778 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:08:14,779 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,781 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,789 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,790 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,793 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,795 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:14,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,795 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-14 07:08:14,795 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:14,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,796 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-14 07:08:14,796 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:14,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,797 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 07:08:14,797 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:08:14,797 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 07:08:14,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,799 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 07:08:14,799 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 07:08:14,799 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 07:08:14,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:14,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:14,802 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 07:08:14,802 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 07:08:14,802 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 07:08:14,828 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 07:08:14,829 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_4 [2022-12-14 07:08:14,830 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-12-14 07:08:14,831 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-12-14 07:08:14,832 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-14 07:08:14,832 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-14 07:08:14,832 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 07:08:14,835 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 07:08:14,835 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 07:08:14,835 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 07:08:14,835 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:08:14,836 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 07:08:14,836 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:08:14,836 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:08:14,837 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:08:14,837 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:08:14,840 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_0328f878-5ebf-41dc-9bb4-41cb332c31ce/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-12-14 07:08:14,863 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 07:08:14,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:08:14,902 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:08:14,984 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:08:14,985 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:08:14,985 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 07:08:14,986 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 07:08:14,986 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 07:08:14,986 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 07:08:14,987 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 07:08:14,987 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 07:08:14,987 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 07:08:14,987 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 07:08:14,988 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 07:08:14,988 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 07:08:14,988 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 07:08:14,991 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 07:08:14,992 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 07:08:14,993 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 07:08:14,994 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 07:08:14,997 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 07:08:14,997 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 07:08:14,997 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 07:08:15,003 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,007 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,009 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,009 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,010 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,016 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,018 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,018 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 07:08:15,019 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,020 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,022 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,024 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,026 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 07:08:15,027 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 07:08:15,027 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 07:08:15,028 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,028 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 07:08:15,029 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 07:08:15,030 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:15,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,031 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 07:08:15,031 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 07:08:15,031 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 07:08:15,033 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,033 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 07:08:15,033 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 07:08:15,034 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 07:08:15,034 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:08:15,036 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:15,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,037 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,037 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,038 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,038 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,038 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,039 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,039 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,039 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,040 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,041 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,042 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,042 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:15,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,044 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,057 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:08:15,058 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 07:08:15,059 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 07:08:15,059 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:08:15,060 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:08:15,060 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:08:15,062 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:08:15,062 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 07:08:15,064 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,066 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,068 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 07:08:15,069 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:08:15,075 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:08:15,076 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,079 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 07:08:15,080 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:08:15,080 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,085 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:08:15,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,087 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:08:15,091 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:08:15,094 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:08:15,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,098 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 07:08:15,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,102 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,106 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,109 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,113 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,115 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:15,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,115 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-14 07:08:15,115 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:15,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,116 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-14 07:08:15,116 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 07:08:15,116 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,117 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 07:08:15,117 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:08:15,117 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 07:08:15,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,119 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 07:08:15,119 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 07:08:15,119 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 07:08:15,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:08:15,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:08:15,122 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 07:08:15,123 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 07:08:15,123 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 07:08:15,126 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 07:08:15,127 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_4 [2022-12-14 07:08:15,129 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-12-14 07:08:15,129 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-12-14 07:08:15,130 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-14 07:08:15,131 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-14 07:08:15,131 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 07:08:15,133 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 07:08:15,134 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 07:08:15,134 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 07:08:15,134 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:08:15,135 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 07:08:15,135 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:08:15,135 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:08:15,136 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:08:15,136 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:08:15,136 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_0328f878-5ebf-41dc-9bb4-41cb332c31ce/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-12-14 07:08:15,138 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 07:08:15,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:08:15,212 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:08:15,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15 WrapperNode [2022-12-14 07:08:15,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:08:15,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:08:15,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:08:15,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:08:15,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,370 INFO L138 Inliner]: procedures = 237, calls = 2068, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 4538 [2022-12-14 07:08:15,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:08:15,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:08:15,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:08:15,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:08:15,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,513 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:08:15,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:08:15,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:08:15,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:08:15,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (1/1) ... [2022-12-14 07:08:15,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:08:15,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:08:15,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:08:15,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:08:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-12-14 07:08:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-12-14 07:08:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2022-12-14 07:08:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2022-12-14 07:08:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 07:08:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 07:08:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 07:08:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-12-14 07:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-12-14 07:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-12-14 07:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-12-14 07:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 07:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-12-14 07:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-12-14 07:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-14 07:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-14 07:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-12-14 07:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 07:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-12-14 07:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-12-14 07:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-12-14 07:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 07:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-14 07:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-12-14 07:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 07:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-14 07:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 07:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-12-14 07:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-12-14 07:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 07:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-12-14 07:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-12-14 07:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-12-14 07:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 07:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-12-14 07:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-14 07:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 07:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 07:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 07:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-12-14 07:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-14 07:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 07:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-12-14 07:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-14 07:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-12-14 07:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-12-14 07:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-12-14 07:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-14 07:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 07:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 07:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-12-14 07:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-12-14 07:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 07:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-12-14 07:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-12-14 07:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 07:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 07:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 07:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 07:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-12-14 07:08:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-12-14 07:08:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-14 07:08:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-14 07:08:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-14 07:08:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-14 07:08:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:08:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-12-14 07:08:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-12-14 07:08:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-12-14 07:08:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-12-14 07:08:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-12-14 07:08:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-12-14 07:08:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:08:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:08:16,051 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:08:16,054 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:08:16,377 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 07:08:20,489 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:08:21,176 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:08:21,176 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:08:21,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:08:21 BoogieIcfgContainer [2022-12-14 07:08:21,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:08:21,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:08:21,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:08:21,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:08:21,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:08:13" (1/3) ... [2022-12-14 07:08:21,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9128ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:08:21, skipping insertion in model container [2022-12-14 07:08:21,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:15" (2/3) ... [2022-12-14 07:08:21,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9128ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:08:21, skipping insertion in model container [2022-12-14 07:08:21,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:08:21" (3/3) ... [2022-12-14 07:08:21,186 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-12-14 07:08:21,200 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:08:21,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:08:21,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:08:21,261 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;@30bbf365, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:08:21,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:08:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 1510 states, 810 states have (on average 1.2703703703703704) internal successors, (1029), 841 states have internal predecessors, (1029), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) [2022-12-14 07:08:21,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 07:08:21,292 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:08:21,292 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2022-12-14 07:08:21,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:08:21,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:08:21,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1689457221, now seen corresponding path program 1 times [2022-12-14 07:08:21,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:08:21,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303838773] [2022-12-14 07:08:21,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:08:21,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:08:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:08:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:08:22,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:08:22,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303838773] [2022-12-14 07:08:22,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303838773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:08:22,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:08:22,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:08:22,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477279424] [2022-12-14 07:08:22,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:08:22,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:08:22,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:08:22,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:08:22,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:08:22,140 INFO L87 Difference]: Start difference. First operand has 1510 states, 810 states have (on average 1.2703703703703704) internal successors, (1029), 841 states have internal predecessors, (1029), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 07:08:26,799 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 [] [2022-12-14 07:08:28,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:08:28,265 INFO L93 Difference]: Finished difference Result 4372 states and 6568 transitions. [2022-12-14 07:08:28,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:08:28,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 147 [2022-12-14 07:08:28,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:08:28,293 INFO L225 Difference]: With dead ends: 4372 [2022-12-14 07:08:28,293 INFO L226 Difference]: Without dead ends: 2860 [2022-12-14 07:08:28,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:08:28,313 INFO L413 NwaCegarLoop]: 2650 mSDtfsCounter, 2040 mSDsluCounter, 7364 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2046 SdHoareTripleChecker+Valid, 10014 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:08:28,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2046 Valid, 10014 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 666 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 07:08:28,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2860 states. [2022-12-14 07:08:28,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2860 to 2850. [2022-12-14 07:08:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 1540 states have (on average 1.2636363636363637) internal successors, (1946), 1584 states have internal predecessors, (1946), 1153 states have call successors, (1153), 157 states have call predecessors, (1153), 156 states have return successors, (1156), 1129 states have call predecessors, (1156), 1152 states have call successors, (1156) [2022-12-14 07:08:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 4255 transitions. [2022-12-14 07:08:28,530 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 4255 transitions. Word has length 147 [2022-12-14 07:08:28,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:08:28,530 INFO L495 AbstractCegarLoop]: Abstraction has 2850 states and 4255 transitions. [2022-12-14 07:08:28,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 07:08:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 4255 transitions. [2022-12-14 07:08:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-14 07:08:28,541 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:08:28,541 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2022-12-14 07:08:28,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:08:28,541 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:08:28,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:08:28,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1797753873, now seen corresponding path program 1 times [2022-12-14 07:08:28,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:08:28,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259315391] [2022-12-14 07:08:28,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:08:28,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:08:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:08:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:08:28,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:08:28,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259315391] [2022-12-14 07:08:28,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259315391] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:08:28,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:08:28,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:08:28,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268311450] [2022-12-14 07:08:28,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:08:28,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:08:28,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:08:28,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:08:28,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:08:28,907 INFO L87 Difference]: Start difference. First operand 2850 states and 4255 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 07:08:33,455 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 [] [2022-12-14 07:08:35,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:08:35,869 INFO L93 Difference]: Finished difference Result 5697 states and 8504 transitions. [2022-12-14 07:08:35,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:08:35,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 148 [2022-12-14 07:08:35,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:08:35,884 INFO L225 Difference]: With dead ends: 5697 [2022-12-14 07:08:35,885 INFO L226 Difference]: Without dead ends: 2865 [2022-12-14 07:08:35,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:08:35,898 INFO L413 NwaCegarLoop]: 2633 mSDtfsCounter, 2020 mSDsluCounter, 7314 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 9947 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:08:35,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 9947 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 658 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 07:08:35,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2865 states. [2022-12-14 07:08:36,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2865 to 2855. [2022-12-14 07:08:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2855 states, 1544 states have (on average 1.2629533678756477) internal successors, (1950), 1588 states have internal predecessors, (1950), 1153 states have call successors, (1153), 158 states have call predecessors, (1153), 157 states have return successors, (1156), 1129 states have call predecessors, (1156), 1152 states have call successors, (1156) [2022-12-14 07:08:36,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2855 states and 4259 transitions. [2022-12-14 07:08:36,023 INFO L78 Accepts]: Start accepts. Automaton has 2855 states and 4259 transitions. Word has length 148 [2022-12-14 07:08:36,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:08:36,024 INFO L495 AbstractCegarLoop]: Abstraction has 2855 states and 4259 transitions. [2022-12-14 07:08:36,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 07:08:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 4259 transitions. [2022-12-14 07:08:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 07:08:36,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:08:36,029 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2022-12-14 07:08:36,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:08:36,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:08:36,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:08:36,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2085156782, now seen corresponding path program 1 times [2022-12-14 07:08:36,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:08:36,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963143068] [2022-12-14 07:08:36,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:08:36,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:08:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:08:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:08:36,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:08:36,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963143068] [2022-12-14 07:08:36,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963143068] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:08:36,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:08:36,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:08:36,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493388500] [2022-12-14 07:08:36,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:08:36,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:08:36,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:08:36,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:08:36,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:08:36,339 INFO L87 Difference]: Start difference. First operand 2855 states and 4259 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 07:08:42,053 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 [] [2022-12-14 07:08:44,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:08:44,308 INFO L93 Difference]: Finished difference Result 7066 states and 10536 transitions. [2022-12-14 07:08:44,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:08:44,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 146 [2022-12-14 07:08:44,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:08:44,326 INFO L225 Difference]: With dead ends: 7066 [2022-12-14 07:08:44,326 INFO L226 Difference]: Without dead ends: 4229 [2022-12-14 07:08:44,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:08:44,338 INFO L413 NwaCegarLoop]: 2940 mSDtfsCounter, 2024 mSDsluCounter, 7930 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 10870 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:08:44,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 10870 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 781 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 07:08:44,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4229 states. [2022-12-14 07:08:44,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4229 to 4200. [2022-12-14 07:08:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4200 states, 2272 states have (on average 1.2654049295774648) internal successors, (2875), 2340 states have internal predecessors, (2875), 1693 states have call successors, (1693), 235 states have call predecessors, (1693), 234 states have return successors, (1700), 1655 states have call predecessors, (1700), 1692 states have call successors, (1700) [2022-12-14 07:08:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4200 states to 4200 states and 6268 transitions. [2022-12-14 07:08:44,519 INFO L78 Accepts]: Start accepts. Automaton has 4200 states and 6268 transitions. Word has length 146 [2022-12-14 07:08:44,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:08:44,519 INFO L495 AbstractCegarLoop]: Abstraction has 4200 states and 6268 transitions. [2022-12-14 07:08:44,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 07:08:44,520 INFO L276 IsEmpty]: Start isEmpty. Operand 4200 states and 6268 transitions. [2022-12-14 07:08:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-14 07:08:44,526 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:08:44,526 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-14 07:08:44,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:08:44,526 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:08:44,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:08:44,527 INFO L85 PathProgramCache]: Analyzing trace with hash -266910800, now seen corresponding path program 1 times [2022-12-14 07:08:44,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:08:44,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564591559] [2022-12-14 07:08:44,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:08:44,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:08:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:08:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-12-14 07:08:44,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:08:44,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564591559] [2022-12-14 07:08:44,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564591559] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:08:44,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:08:44,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:08:44,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385097945] [2022-12-14 07:08:44,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:08:44,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:08:44,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:08:44,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:08:44,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:08:44,828 INFO L87 Difference]: Start difference. First operand 4200 states and 6268 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 07:08:49,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:08:51,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:08:53,177 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 [] [2022-12-14 07:08:55,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:08:55,475 INFO L93 Difference]: Finished difference Result 8214 states and 12242 transitions. [2022-12-14 07:08:55,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:08:55,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 165 [2022-12-14 07:08:55,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:08:55,492 INFO L225 Difference]: With dead ends: 8214 [2022-12-14 07:08:55,492 INFO L226 Difference]: Without dead ends: 4428 [2022-12-14 07:08:55,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:08:55,503 INFO L413 NwaCegarLoop]: 2768 mSDtfsCounter, 2165 mSDsluCounter, 7584 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2169 SdHoareTripleChecker+Valid, 10352 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:08:55,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2169 Valid, 10352 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 668 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2022-12-14 07:08:55,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4428 states. [2022-12-14 07:08:55,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4428 to 4413. [2022-12-14 07:08:55,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4413 states, 2343 states have (on average 1.2548015364916774) internal successors, (2940), 2409 states have internal predecessors, (2940), 1815 states have call successors, (1815), 254 states have call predecessors, (1815), 254 states have return successors, (1822), 1778 states have call predecessors, (1822), 1814 states have call successors, (1822) [2022-12-14 07:08:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 4413 states and 6577 transitions. [2022-12-14 07:08:55,702 INFO L78 Accepts]: Start accepts. Automaton has 4413 states and 6577 transitions. Word has length 165 [2022-12-14 07:08:55,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:08:55,703 INFO L495 AbstractCegarLoop]: Abstraction has 4413 states and 6577 transitions. [2022-12-14 07:08:55,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 07:08:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 4413 states and 6577 transitions. [2022-12-14 07:08:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-12-14 07:08:55,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:08:55,710 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-12-14 07:08:55,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:08:55,710 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:08:55,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:08:55,711 INFO L85 PathProgramCache]: Analyzing trace with hash 952355165, now seen corresponding path program 1 times [2022-12-14 07:08:55,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:08:55,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775939453] [2022-12-14 07:08:55,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:08:55,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:08:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:08:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-14 07:08:56,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:08:56,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775939453] [2022-12-14 07:08:56,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775939453] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:08:56,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169334629] [2022-12-14 07:08:56,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:08:56,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:08:56,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:08:56,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:08:56,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:08:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:08:56,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 3236 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:08:56,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:08:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:08:56,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:08:56,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169334629] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:08:56,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:08:56,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 07:08:56,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305762834] [2022-12-14 07:08:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:08:56,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 07:08:56,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:08:56,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 07:08:56,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-14 07:08:56,975 INFO L87 Difference]: Start difference. First operand 4413 states and 6577 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:09:03,518 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 [] [2022-12-14 07:09:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:09:08,661 INFO L93 Difference]: Finished difference Result 10205 states and 15204 transitions. [2022-12-14 07:09:08,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 07:09:08,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 159 [2022-12-14 07:09:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:09:08,695 INFO L225 Difference]: With dead ends: 10205 [2022-12-14 07:09:08,695 INFO L226 Difference]: Without dead ends: 6814 [2022-12-14 07:09:08,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-12-14 07:09:08,706 INFO L413 NwaCegarLoop]: 3071 mSDtfsCounter, 2054 mSDsluCounter, 14341 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 17412 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:09:08,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 17412 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1261 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-12-14 07:09:08,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6814 states. [2022-12-14 07:09:08,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6814 to 6780. [2022-12-14 07:09:08,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6780 states, 3615 states have (on average 1.2594744121715076) internal successors, (4553), 3723 states have internal predecessors, (4553), 2771 states have call successors, (2771), 391 states have call predecessors, (2771), 393 states have return successors, (2791), 2709 states have call predecessors, (2791), 2770 states have call successors, (2791) [2022-12-14 07:09:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6780 states to 6780 states and 10115 transitions. [2022-12-14 07:09:08,998 INFO L78 Accepts]: Start accepts. Automaton has 6780 states and 10115 transitions. Word has length 159 [2022-12-14 07:09:08,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:09:08,998 INFO L495 AbstractCegarLoop]: Abstraction has 6780 states and 10115 transitions. [2022-12-14 07:09:08,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:09:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 6780 states and 10115 transitions. [2022-12-14 07:09:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 07:09:09,011 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:09:09,011 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-12-14 07:09:09,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:09:09,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:09:09,212 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:09:09,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:09:09,213 INFO L85 PathProgramCache]: Analyzing trace with hash -997329685, now seen corresponding path program 1 times [2022-12-14 07:09:09,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:09:09,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106733603] [2022-12-14 07:09:09,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:09:09,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:09:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:09:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:09:09,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:09:09,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106733603] [2022-12-14 07:09:09,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106733603] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:09:09,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911402286] [2022-12-14 07:09:09,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:09:09,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:09:09,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:09:09,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:09:09,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:09:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:09:10,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 3238 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:09:10,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:09:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:09:10,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:09:10,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911402286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:09:10,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:09:10,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 07:09:10,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098259828] [2022-12-14 07:09:10,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:09:10,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 07:09:10,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:09:10,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 07:09:10,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 07:09:10,425 INFO L87 Difference]: Start difference. First operand 6780 states and 10115 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:09:11,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:09:18,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:09:24,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:09:24,081 INFO L93 Difference]: Finished difference Result 15593 states and 23245 transitions. [2022-12-14 07:09:24,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 07:09:24,082 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2022-12-14 07:09:24,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:09:24,122 INFO L225 Difference]: With dead ends: 15593 [2022-12-14 07:09:24,122 INFO L226 Difference]: Without dead ends: 9835 [2022-12-14 07:09:24,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 07:09:24,137 INFO L413 NwaCegarLoop]: 3143 mSDtfsCounter, 2201 mSDsluCounter, 14617 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 17760 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:09:24,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 17760 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1284 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2022-12-14 07:09:24,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9835 states. [2022-12-14 07:09:24,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9835 to 9797. [2022-12-14 07:09:24,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9797 states, 5205 states have (on average 1.256868395773295) internal successors, (6542), 5364 states have internal predecessors, (6542), 4020 states have call successors, (4020), 564 states have call predecessors, (4020), 571 states have return successors, (4054), 3931 states have call predecessors, (4054), 4019 states have call successors, (4054) [2022-12-14 07:09:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9797 states to 9797 states and 14616 transitions. [2022-12-14 07:09:24,730 INFO L78 Accepts]: Start accepts. Automaton has 9797 states and 14616 transitions. Word has length 160 [2022-12-14 07:09:24,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:09:24,730 INFO L495 AbstractCegarLoop]: Abstraction has 9797 states and 14616 transitions. [2022-12-14 07:09:24,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:09:24,731 INFO L276 IsEmpty]: Start isEmpty. Operand 9797 states and 14616 transitions. [2022-12-14 07:09:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-14 07:09:24,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:09:24,757 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-12-14 07:09:24,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:09:24,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:09:24,958 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:09:24,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:09:24,959 INFO L85 PathProgramCache]: Analyzing trace with hash -481632412, now seen corresponding path program 1 times [2022-12-14 07:09:24,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:09:24,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653818310] [2022-12-14 07:09:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:09:24,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:09:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:09:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:09:25,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:09:25,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653818310] [2022-12-14 07:09:25,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653818310] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:09:25,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333588583] [2022-12-14 07:09:25,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:09:25,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:09:25,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:09:25,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:09:25,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:09:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:09:26,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:09:26,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:09:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:09:26,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:09:26,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333588583] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:09:26,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:09:26,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 07:09:26,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772788831] [2022-12-14 07:09:26,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:09:26,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 07:09:26,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:09:26,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 07:09:26,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 07:09:26,109 INFO L87 Difference]: Start difference. First operand 9797 states and 14616 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:09:28,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:09:34,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:09:36,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:09:38,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:09:41,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:09:43,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:09:45,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:09:49,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:09:49,792 INFO L93 Difference]: Finished difference Result 22174 states and 33055 transitions. [2022-12-14 07:09:49,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 07:09:49,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 161 [2022-12-14 07:09:49,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:09:49,863 INFO L225 Difference]: With dead ends: 22174 [2022-12-14 07:09:49,863 INFO L226 Difference]: Without dead ends: 13399 [2022-12-14 07:09:49,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 07:09:49,910 INFO L413 NwaCegarLoop]: 3143 mSDtfsCounter, 2201 mSDsluCounter, 14617 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 17760 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:09:49,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 17760 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1281 Invalid, 5 Unknown, 0 Unchecked, 23.0s Time] [2022-12-14 07:09:49,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13399 states. [2022-12-14 07:09:50,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13399 to 10343. [2022-12-14 07:09:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10343 states, 5469 states have (on average 1.2537941122691534) internal successors, (6857), 5631 states have internal predecessors, (6857), 4268 states have call successors, (4268), 599 states have call predecessors, (4268), 605 states have return successors, (4298), 4178 states have call predecessors, (4298), 4267 states have call successors, (4298) [2022-12-14 07:09:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10343 states to 10343 states and 15423 transitions. [2022-12-14 07:09:50,623 INFO L78 Accepts]: Start accepts. Automaton has 10343 states and 15423 transitions. Word has length 161 [2022-12-14 07:09:50,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:09:50,623 INFO L495 AbstractCegarLoop]: Abstraction has 10343 states and 15423 transitions. [2022-12-14 07:09:50,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:09:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 10343 states and 15423 transitions. [2022-12-14 07:09:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-12-14 07:09:50,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:09:50,642 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-12-14 07:09:50,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:09:50,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:09:50,842 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:09:50,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:09:50,843 INFO L85 PathProgramCache]: Analyzing trace with hash -848500654, now seen corresponding path program 1 times [2022-12-14 07:09:50,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:09:50,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699548529] [2022-12-14 07:09:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:09:50,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:09:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:09:51,280 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:09:51,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:09:51,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699548529] [2022-12-14 07:09:51,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699548529] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:09:51,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830363080] [2022-12-14 07:09:51,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:09:51,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:09:51,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:09:51,282 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:09:51,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:09:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:09:51,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 3242 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:09:51,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:09:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-12-14 07:09:51,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:09:51,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830363080] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:09:51,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:09:51,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 07:09:51,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008415449] [2022-12-14 07:09:51,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:09:51,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 07:09:51,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:09:51,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 07:09:51,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 07:09:51,962 INFO L87 Difference]: Start difference. First operand 10343 states and 15423 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:09:54,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:10:00,976 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 [] [2022-12-14 07:10:06,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:10:06,066 INFO L93 Difference]: Finished difference Result 21530 states and 32097 transitions. [2022-12-14 07:10:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 07:10:06,066 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2022-12-14 07:10:06,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:10:06,118 INFO L225 Difference]: With dead ends: 21530 [2022-12-14 07:10:06,118 INFO L226 Difference]: Without dead ends: 12756 [2022-12-14 07:10:06,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 07:10:06,152 INFO L413 NwaCegarLoop]: 3081 mSDtfsCounter, 2054 mSDsluCounter, 14369 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 17450 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:10:06,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 17450 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1278 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2022-12-14 07:10:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12756 states. [2022-12-14 07:10:06,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12756 to 12686. [2022-12-14 07:10:06,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12686 states, 6722 states have (on average 1.2566200535554894) internal successors, (8447), 6924 states have internal predecessors, (8447), 5222 states have call successors, (5222), 734 states have call predecessors, (5222), 741 states have return successors, (5263), 5108 states have call predecessors, (5263), 5221 states have call successors, (5263) [2022-12-14 07:10:06,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12686 states to 12686 states and 18932 transitions. [2022-12-14 07:10:06,727 INFO L78 Accepts]: Start accepts. Automaton has 12686 states and 18932 transitions. Word has length 162 [2022-12-14 07:10:06,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:10:06,727 INFO L495 AbstractCegarLoop]: Abstraction has 12686 states and 18932 transitions. [2022-12-14 07:10:06,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:10:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 12686 states and 18932 transitions. [2022-12-14 07:10:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-14 07:10:06,741 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:10:06,741 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-12-14 07:10:06,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 07:10:06,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:10:06,942 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:10:06,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:10:06,943 INFO L85 PathProgramCache]: Analyzing trace with hash -174325107, now seen corresponding path program 1 times [2022-12-14 07:10:06,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:10:06,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206973559] [2022-12-14 07:10:06,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:06,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:10:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:10:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-12-14 07:10:07,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:10:07,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206973559] [2022-12-14 07:10:07,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206973559] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:10:07,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:10:07,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:10:07,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225547732] [2022-12-14 07:10:07,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:10:07,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:10:07,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:10:07,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:10:07,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:10:07,129 INFO L87 Difference]: Start difference. First operand 12686 states and 18932 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 07:10:12,255 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 [] [2022-12-14 07:10:12,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:10:12,579 INFO L93 Difference]: Finished difference Result 35308 states and 52596 transitions. [2022-12-14 07:10:12,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:10:12,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 173 [2022-12-14 07:10:12,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:10:12,662 INFO L225 Difference]: With dead ends: 35308 [2022-12-14 07:10:12,663 INFO L226 Difference]: Without dead ends: 22640 [2022-12-14 07:10:12,703 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 [2022-12-14 07:10:12,704 INFO L413 NwaCegarLoop]: 2614 mSDtfsCounter, 1998 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 4637 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:10:12,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 4637 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 325 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 07:10:12,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22640 states. [2022-12-14 07:10:13,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22640 to 22590. [2022-12-14 07:10:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22590 states, 12067 states have (on average 1.259799453053783) internal successors, (15202), 12464 states have internal predecessors, (15202), 9159 states have call successors, (9159), 1348 states have call predecessors, (9159), 1363 states have return successors, (9270), 8924 states have call predecessors, (9270), 9158 states have call successors, (9270) [2022-12-14 07:10:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22590 states to 22590 states and 33631 transitions. [2022-12-14 07:10:13,652 INFO L78 Accepts]: Start accepts. Automaton has 22590 states and 33631 transitions. Word has length 173 [2022-12-14 07:10:13,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:10:13,653 INFO L495 AbstractCegarLoop]: Abstraction has 22590 states and 33631 transitions. [2022-12-14 07:10:13,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 07:10:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 22590 states and 33631 transitions. [2022-12-14 07:10:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-14 07:10:13,663 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:10:13,663 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-12-14 07:10:13,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:10:13,664 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:10:13,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:10:13,664 INFO L85 PathProgramCache]: Analyzing trace with hash 46028110, now seen corresponding path program 1 times [2022-12-14 07:10:13,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:10:13,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646218526] [2022-12-14 07:10:13,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:13,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:10:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:10:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-12-14 07:10:13,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:10:13,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646218526] [2022-12-14 07:10:13,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646218526] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:10:13,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:10:13,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:10:13,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588807073] [2022-12-14 07:10:13,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:10:13,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:10:13,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:10:13,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:10:13,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:10:13,807 INFO L87 Difference]: Start difference. First operand 22590 states and 33631 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 07:10:15,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:10:15,710 INFO L93 Difference]: Finished difference Result 41173 states and 61145 transitions. [2022-12-14 07:10:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:10:15,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 175 [2022-12-14 07:10:15,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:10:15,777 INFO L225 Difference]: With dead ends: 41173 [2022-12-14 07:10:15,777 INFO L226 Difference]: Without dead ends: 18601 [2022-12-14 07:10:15,842 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 [2022-12-14 07:10:15,843 INFO L413 NwaCegarLoop]: 1999 mSDtfsCounter, 2144 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2144 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:10:15,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 1999 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 07:10:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18601 states. [2022-12-14 07:10:16,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18601 to 18598. [2022-12-14 07:10:16,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18598 states, 9891 states have (on average 1.2446668688706906) internal successors, (12311), 10186 states have internal predecessors, (12311), 7556 states have call successors, (7556), 1135 states have call predecessors, (7556), 1150 states have return successors, (7651), 7388 states have call predecessors, (7651), 7555 states have call successors, (7651) [2022-12-14 07:10:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18598 states to 18598 states and 27518 transitions. [2022-12-14 07:10:16,666 INFO L78 Accepts]: Start accepts. Automaton has 18598 states and 27518 transitions. Word has length 175 [2022-12-14 07:10:16,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:10:16,667 INFO L495 AbstractCegarLoop]: Abstraction has 18598 states and 27518 transitions. [2022-12-14 07:10:16,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 07:10:16,667 INFO L276 IsEmpty]: Start isEmpty. Operand 18598 states and 27518 transitions. [2022-12-14 07:10:16,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-14 07:10:16,670 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:10:16,670 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-12-14 07:10:16,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 07:10:16,671 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:10:16,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:10:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash -625227024, now seen corresponding path program 1 times [2022-12-14 07:10:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:10:16,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735276424] [2022-12-14 07:10:16,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:10:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:10:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-12-14 07:10:17,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:10:17,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735276424] [2022-12-14 07:10:17,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735276424] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:10:17,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62738766] [2022-12-14 07:10:17,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:17,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:10:17,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:10:17,016 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:10:17,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0328f878-5ebf-41dc-9bb4-41cb332c31ce/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 07:10:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:10:17,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 07:10:17,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:10:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-14 07:10:17,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:10:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-12-14 07:10:18,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62738766] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:10:18,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1025966747] [2022-12-14 07:10:18,121 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2022-12-14 07:10:18,121 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:10:18,123 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:10:18,127 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:10:18,128 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:10:20,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-12-14 07:10:21,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:21,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:10:22,000 INFO L217 Elim1Store]: Index analysis took 682 ms [2022-12-14 07:11:53,613 WARN L233 SmtUtils]: Spent 1.53m on a formula simplification. DAG size of input: 3935 DAG size of output: 1967 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:11:53,619 INFO L321 Elim1Store]: treesize reduction 9332, result has 25.5 percent of original size [2022-12-14 07:11:53,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 249 select indices, 249 select index equivalence classes, 30385 disjoint index pairs (out of 30876 index pairs), introduced 249 new quantified variables, introduced 738 case distinctions, treesize of input 1259 treesize of output 3957 [2022-12-14 07:12:00,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-12-14 07:12:00,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-12-14 07:12:01,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:01,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:01,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 246 select indices, 246 select index equivalence classes, 30630 disjoint index pairs (out of 30135 index pairs), introduced 246 new quantified variables, introduced 0 case distinctions, treesize of input 1240 treesize of output 1979 [2022-12-14 07:12:06,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-12-14 07:12:06,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-12-14 07:12:06,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-12-14 07:12:06,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-12-14 07:12:24,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:12:24,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 07:12:24,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-14 07:12:32,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:32,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:32,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 249 select indices, 249 select index equivalence classes, 30876 disjoint index pairs (out of 30876 index pairs), introduced 249 new quantified variables, introduced 0 case distinctions, treesize of input 1246 treesize of output 748 [2022-12-14 07:12:34,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:34,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:34,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 248 select indices, 248 select index equivalence classes, 30630 disjoint index pairs (out of 30628 index pairs), introduced 248 new quantified variables, introduced 0 case distinctions, treesize of input 1241 treesize of output 745 [2022-12-14 07:12:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:35,889 INFO L217 Elim1Store]: Index analysis took 121 ms [2022-12-14 07:12:35,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 108 select indices, 108 select index equivalence classes, 1210 disjoint index pairs (out of 5778 index pairs), introduced 108 new quantified variables, introduced 0 case distinctions, treesize of input 853 treesize of output 325 [2022-12-14 07:13:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:00,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:00,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 249 select indices, 249 select index equivalence classes, 30876 disjoint index pairs (out of 30876 index pairs), introduced 249 new quantified variables, introduced 0 case distinctions, treesize of input 1246 treesize of output 748 [2022-12-14 07:13:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 108 select indices, 108 select index equivalence classes, 1210 disjoint index pairs (out of 5778 index pairs), introduced 108 new quantified variables, introduced 0 case distinctions, treesize of input 853 treesize of output 325 [2022-12-14 07:13:03,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:03,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:03,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 248 select indices, 248 select index equivalence classes, 30630 disjoint index pairs (out of 30628 index pairs), introduced 248 new quantified variables, introduced 0 case distinctions, treesize of input 1241 treesize of output 745 [2022-12-14 07:14:39,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:14:40,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 07:14:41,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:14:43,088 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:14:43,131 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:14:43,145 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:15:55,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:15:55,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 07:15:55,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:15:58,432 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:15:58,469 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:15:58,484 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:18:09,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:18:09,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 07:18:09,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:18:13,230 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:18:13,251 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:18:13,255 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:20:01,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:20:01,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 07:20:01,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:20:04,515 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:20:04,547 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:20:04,577 WARN L207 Elim1Store]: Array PQE input equivalent to false