./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--ali-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c454dc64a3cc485840c6830ce9e1c132fc674b92d2da550d28087d832958d75f --- 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-38b53e6 [2022-11-25 15:46:57,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:46:57,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:46:57,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:46:57,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:46:57,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:46:57,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:46:57,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:46:57,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:46:57,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:46:57,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:46:57,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:46:57,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:46:57,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:46:57,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:46:57,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:46:57,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:46:57,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:46:57,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:46:57,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:46:57,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:46:57,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:46:57,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:46:57,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:46:57,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:46:57,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:46:57,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:46:57,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:46:57,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:46:57,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:46:57,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:46:57,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:46:57,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:46:57,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:46:57,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:46:57,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:46:57,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:46:57,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:46:57,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:46:57,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:46:57,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:46:57,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 15:46:57,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:46:57,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:46:57,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:46:57,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:46:57,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:46:57,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:46:57,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:46:57,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:46:57,728 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:46:57,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:46:57,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:46:57,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:46:57,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:46:57,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:46:57,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:46:57,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:46:57,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:46:57,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:46:57,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:46:57,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:46:57,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:46:57,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:46:57,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:46:57,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:46:57,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:46:57,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:46:57,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:46:57,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:46:57,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:46:57,734 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:46:57,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:46:57,734 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c454dc64a3cc485840c6830ce9e1c132fc674b92d2da550d28087d832958d75f [2022-11-25 15:46:58,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:46:58,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:46:58,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:46:58,064 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:46:58,065 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:46:58,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i [2022-11-25 15:47:01,220 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:47:01,971 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:47:01,972 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i [2022-11-25 15:47:02,032 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/data/38e14554c/933be231114e4020ab38239ff513b3a5/FLAGd815dcec3 [2022-11-25 15:47:02,058 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/data/38e14554c/933be231114e4020ab38239ff513b3a5 [2022-11-25 15:47:02,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:47:02,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:47:02,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:47:02,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:47:02,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:47:02,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:02" (1/1) ... [2022-11-25 15:47:02,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150b4dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:02, skipping insertion in model container [2022-11-25 15:47:02,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:02" (1/1) ... [2022-11-25 15:47:02,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:47:02,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:47:03,076 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:47:03,088 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:47:03,102 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:47:03,156 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 15:47:03,167 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 15:47:03,178 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 15:47:03,191 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:47:03,232 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 15:47:03,238 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 15:47:03,255 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:47:03,256 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 15:47:03,257 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:47:03,265 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:47:03,266 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 15:47:03,267 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:47:03,482 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 15:47:03,563 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 15:47:03,651 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:47:03,652 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 15:47:03,653 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:47:03,913 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:03,914 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:03,931 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:03,952 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:03,956 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:03,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,023 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,025 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-11-25 15:47:04,026 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,028 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 15:47:04,030 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 15:47:04,031 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,033 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-11-25 15:47:04,037 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-11-25 15:47:04,041 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,046 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,050 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,051 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 15:47:04,052 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 15:47:04,053 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 15:47:04,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,057 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,058 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 15:47:04,059 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 15:47:04,060 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 15:47:04,065 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,069 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,077 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,081 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,102 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,106 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,112 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,121 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,123 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,125 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-11-25 15:47:04,127 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,132 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,133 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,135 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,138 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,142 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,144 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,150 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,151 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,152 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,153 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,154 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,155 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,156 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,158 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,165 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,167 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,168 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-11-25 15:47:04,169 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,170 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 15:47:04,171 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-11-25 15:47:04,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,175 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 15:47:04,176 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 15:47:04,178 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:47:04,180 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-11-25 15:47:04,182 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,183 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,185 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 15:47:04,186 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:47:04,188 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 15:47:04,193 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,195 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,199 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 15:47:04,201 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,207 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,208 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,209 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,212 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,214 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,218 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,219 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,221 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,223 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,224 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-11-25 15:47:04,226 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 15:47:04,227 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 15:47:04,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,231 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:47:04,232 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-11-25 15:47:04,232 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:47:04,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,236 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,237 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,238 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 15:47:04,239 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,240 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 15:47:04,240 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-11-25 15:47:04,242 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,245 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,246 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,248 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,250 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,302 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 15:47:04,304 WARN L623 FunctionHandler]: Unknown extern function ldv_remove_4 [2022-11-25 15:47:04,304 WARN L623 FunctionHandler]: Unknown extern function ldv_remove_4 [2022-11-25 15:47:04,305 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_4 [2022-11-25 15:47:04,305 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-11-25 15:47:04,308 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-11-25 15:47:04,309 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-11-25 15:47:04,311 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-11-25 15:47:04,311 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-11-25 15:47:04,312 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 15:47:04,316 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-25 15:47:04,316 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 15:47:04,317 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 15:47:04,317 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 15:47:04,318 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:47:04,318 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 15:47:04,318 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:47:04,320 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:47:04,320 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:47:04,325 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_d7c4752a-9b2d-40eb-98de-02938baf4d88/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i[301264,301277] [2022-11-25 15:47:04,357 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 15:47:04,373 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 15:47:04,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:47:04,411 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:47:04,583 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:47:04,585 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:47:04,586 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:47:04,587 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 15:47:04,587 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 15:47:04,588 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 15:47:04,589 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:47:04,591 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 15:47:04,592 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 15:47:04,593 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:47:04,593 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 15:47:04,593 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:47:04,594 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:47:04,594 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 15:47:04,595 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:47:04,599 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 15:47:04,601 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 15:47:04,604 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 15:47:04,604 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 15:47:04,604 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 15:47:04,611 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,615 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,617 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,619 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,622 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,623 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-11-25 15:47:04,624 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,625 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 15:47:04,626 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 15:47:04,626 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,627 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-11-25 15:47:04,628 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-11-25 15:47:04,630 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,630 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,631 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,631 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,632 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,632 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 15:47:04,633 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 15:47:04,633 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 15:47:04,634 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,636 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,636 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 15:47:04,637 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 15:47:04,638 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 15:47:04,640 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,642 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,642 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,644 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,645 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,648 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,650 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,650 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,656 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,657 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,658 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,664 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,671 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,673 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,674 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,675 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,676 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,677 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,680 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,681 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,682 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,684 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-11-25 15:47:04,685 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,686 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,688 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,689 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,690 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,692 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,695 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,701 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,702 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,702 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,703 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,703 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,704 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,705 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:47:04,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,712 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,713 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-11-25 15:47:04,713 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,713 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,714 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 15:47:04,714 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-11-25 15:47:04,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,716 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 15:47:04,717 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 15:47:04,718 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:47:04,719 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-11-25 15:47:04,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,722 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 15:47:04,723 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:47:04,724 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 15:47:04,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,731 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,731 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,735 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 15:47:04,736 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,741 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,753 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-11-25 15:47:04,754 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 15:47:04,766 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 15:47:04,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,769 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:47:04,770 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-11-25 15:47:04,770 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:47:04,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,774 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,775 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 15:47:04,776 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,776 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 15:47:04,777 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-11-25 15:47:04,778 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,781 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,783 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 15:47:04,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:47:04,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 15:47:04,790 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 15:47:04,791 WARN L623 FunctionHandler]: Unknown extern function ldv_remove_4 [2022-11-25 15:47:04,791 WARN L623 FunctionHandler]: Unknown extern function ldv_remove_4 [2022-11-25 15:47:04,792 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_4 [2022-11-25 15:47:04,792 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-11-25 15:47:04,794 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-11-25 15:47:04,795 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-11-25 15:47:04,796 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-11-25 15:47:04,797 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-11-25 15:47:04,797 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 15:47:04,800 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-25 15:47:04,801 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 15:47:04,801 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 15:47:04,801 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 15:47:04,802 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:47:04,802 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 15:47:04,802 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:47:04,803 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:47:04,804 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:47:04,804 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_d7c4752a-9b2d-40eb-98de-02938baf4d88/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i[301264,301277] [2022-11-25 15:47:04,806 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 15:47:04,808 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 15:47:04,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:47:04,940 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:47:04,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04 WrapperNode [2022-11-25 15:47:04,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:47:04,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:47:04,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:47:04,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:47:04,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,206 INFO L138 Inliner]: procedures = 221, calls = 2343, calls flagged for inlining = 115, calls inlined = 111, statements flattened = 4812 [2022-11-25 15:47:05,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:47:05,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:47:05,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:47:05,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:47:05,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,424 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:47:05,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:47:05,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:47:05,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:47:05,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (1/1) ... [2022-11-25 15:47:05,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:47:05,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:47:05,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:47:05,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:47:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-25 15:47:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-25 15:47:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 15:47:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 15:47:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 15:47:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 15:47:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 15:47:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 15:47:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-11-25 15:47:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-11-25 15:47:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 15:47:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 15:47:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 15:47:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 15:47:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-25 15:47:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-25 15:47:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_receive_complete [2022-11-25 15:47:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_receive_complete [2022-11-25 15:47:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 15:47:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 15:47:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 15:47:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 15:47:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 15:47:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 15:47:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 15:47:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 15:47:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 15:47:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 15:47:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 15:47:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 15:47:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-11-25 15:47:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-11-25 15:47:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure switch_bank [2022-11-25 15:47:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_bank [2022-11-25 15:47:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-25 15:47:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-25 15:47:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 15:47:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 15:47:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:47:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 15:47:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 15:47:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-25 15:47:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-25 15:47:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_remove_4 [2022-11-25 15:47:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_remove_4 [2022-11-25 15:47:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 15:47:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 15:47:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_receive [2022-11-25 15:47:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_receive [2022-11-25 15:47:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:47:05,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 15:47:05,579 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 15:47:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 15:47:05,579 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_ioctl [2022-11-25 15:47:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_ioctl [2022-11-25 15:47:05,579 INFO L130 BoogieDeclarations]: Found specification of procedure SetCOMInterrupts [2022-11-25 15:47:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure SetCOMInterrupts [2022-11-25 15:47:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 15:47:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 15:47:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-25 15:47:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-25 15:47:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 15:47:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 15:47:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_change_dongle_speed [2022-11-25 15:47:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_change_dongle_speed [2022-11-25 15:47:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure SIR2FIR [2022-11-25 15:47:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure SIR2FIR [2022-11-25 15:47:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 15:47:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 15:47:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_close [2022-11-25 15:47:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_close [2022-11-25 15:47:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-25 15:47:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-25 15:47:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:47:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 15:47:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 15:47:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_xmit [2022-11-25 15:47:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_xmit [2022-11-25 15:47:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 15:47:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 15:47:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-25 15:47:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-25 15:47:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 15:47:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 15:47:05,584 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-11-25 15:47:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-11-25 15:47:05,584 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_open [2022-11-25 15:47:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_open [2022-11-25 15:47:05,584 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-25 15:47:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-25 15:47:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:47:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-25 15:47:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-25 15:47:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-25 15:47:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-25 15:47:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 15:47:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 15:47:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 15:47:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 15:47:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 15:47:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 15:47:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 15:47:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:47:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 15:47:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 15:47:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 15:47:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-25 15:47:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-25 15:47:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 15:47:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-25 15:47:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-25 15:47:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure FIR2SIR [2022-11-25 15:47:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure FIR2SIR [2022-11-25 15:47:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-25 15:47:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-25 15:47:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_change_speed [2022-11-25 15:47:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_change_speed [2022-11-25 15:47:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 15:47:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 15:47:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-25 15:47:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-25 15:47:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-25 15:47:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-25 15:47:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:47:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_resume [2022-11-25 15:47:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_resume [2022-11-25 15:47:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:47:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:47:06,360 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:47:06,364 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:47:07,918 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 15:47:13,578 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:47:13,629 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:47:13,629 INFO L300 CfgBuilder]: Removed 15 assume(true) statements. [2022-11-25 15:47:13,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:13 BoogieIcfgContainer [2022-11-25 15:47:13,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:47:13,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:47:13,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:47:13,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:47:13,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:47:02" (1/3) ... [2022-11-25 15:47:13,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5371d98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:47:13, skipping insertion in model container [2022-11-25 15:47:13,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:04" (2/3) ... [2022-11-25 15:47:13,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5371d98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:47:13, skipping insertion in model container [2022-11-25 15:47:13,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:13" (3/3) ... [2022-11-25 15:47:13,642 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i [2022-11-25 15:47:13,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:47:13,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:47:13,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:47:13,749 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=PETRI_NET, 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;@1a771577, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:47:13,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:47:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 1529 states, 1062 states have (on average 1.4048964218455744) internal successors, (1492), 1090 states have internal predecessors, (1492), 411 states have call successors, (411), 55 states have call predecessors, (411), 54 states have return successors, (404), 395 states have call predecessors, (404), 404 states have call successors, (404) [2022-11-25 15:47:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-25 15:47:13,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:13,811 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:13,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:13,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:13,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1951097665, now seen corresponding path program 1 times [2022-11-25 15:47:13,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:13,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057893391] [2022-11-25 15:47:13,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:13,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:47:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:47:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:47:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:47:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:47:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:47:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:47:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:47:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:47:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:47:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:47:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 15:47:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 15:47:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 15:47:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 15:47:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 15:47:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 15:47:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-25 15:47:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 15:47:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-25 15:47:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-25 15:47:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 15:47:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:47:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 15:47:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-25 15:47:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 15:47:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-25 15:47:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-25 15:47:15,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:15,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057893391] [2022-11-25 15:47:15,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057893391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:15,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:15,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 15:47:15,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029952751] [2022-11-25 15:47:15,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:15,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 15:47:15,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:15,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 15:47:15,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-25 15:47:15,388 INFO L87 Difference]: Start difference. First operand has 1529 states, 1062 states have (on average 1.4048964218455744) internal successors, (1492), 1090 states have internal predecessors, (1492), 411 states have call successors, (411), 55 states have call predecessors, (411), 54 states have return successors, (404), 395 states have call predecessors, (404), 404 states have call successors, (404) Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 15:47:24,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:24,616 INFO L93 Difference]: Finished difference Result 3130 states and 4781 transitions. [2022-11-25 15:47:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 15:47:24,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 236 [2022-11-25 15:47:24,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:24,646 INFO L225 Difference]: With dead ends: 3130 [2022-11-25 15:47:24,646 INFO L226 Difference]: Without dead ends: 1562 [2022-11-25 15:47:24,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 15:47:24,668 INFO L413 NwaCegarLoop]: 1288 mSDtfsCounter, 1883 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 2216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 2728 SdHoareTripleChecker+Invalid, 4471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2216 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:24,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 2728 Invalid, 4471 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2216 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-25 15:47:24,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2022-11-25 15:47:24,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1485. [2022-11-25 15:47:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 1033 states have (on average 1.3794772507260407) internal successors, (1425), 1052 states have internal predecessors, (1425), 398 states have call successors, (398), 54 states have call predecessors, (398), 53 states have return successors, (397), 388 states have call predecessors, (397), 397 states have call successors, (397) [2022-11-25 15:47:24,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2220 transitions. [2022-11-25 15:47:24,836 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2220 transitions. Word has length 236 [2022-11-25 15:47:24,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:24,837 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2220 transitions. [2022-11-25 15:47:24,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 15:47:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2220 transitions. [2022-11-25 15:47:24,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-25 15:47:24,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:24,849 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:24,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:47:24,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:24,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:24,850 INFO L85 PathProgramCache]: Analyzing trace with hash -508159159, now seen corresponding path program 1 times [2022-11-25 15:47:24,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:24,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101239375] [2022-11-25 15:47:24,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:24,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:47:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:47:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:47:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:47:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:47:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:47:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:47:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:47:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:47:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:47:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:47:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 15:47:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 15:47:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 15:47:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 15:47:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 15:47:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 15:47:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-25 15:47:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 15:47:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-25 15:47:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-25 15:47:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 15:47:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:47:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 15:47:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-25 15:47:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:47:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 15:47:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-25 15:47:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-25 15:47:26,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:26,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101239375] [2022-11-25 15:47:26,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101239375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:26,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:26,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 15:47:26,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211311469] [2022-11-25 15:47:26,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:26,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 15:47:26,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:26,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 15:47:26,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:47:26,138 INFO L87 Difference]: Start difference. First operand 1485 states and 2220 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-25 15:47:52,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:47:59,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:59,210 INFO L93 Difference]: Finished difference Result 4571 states and 6896 transitions. [2022-11-25 15:47:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 15:47:59,211 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 236 [2022-11-25 15:47:59,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:59,234 INFO L225 Difference]: With dead ends: 4571 [2022-11-25 15:47:59,235 INFO L226 Difference]: Without dead ends: 3108 [2022-11-25 15:47:59,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 15:47:59,245 INFO L413 NwaCegarLoop]: 1619 mSDtfsCounter, 4535 mSDsluCounter, 6582 mSDsCounter, 0 mSdLazyCounter, 10381 mSolverCounterSat, 3710 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4886 SdHoareTripleChecker+Valid, 8201 SdHoareTripleChecker+Invalid, 14092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3710 IncrementalHoareTripleChecker+Valid, 10381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:59,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4886 Valid, 8201 Invalid, 14092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3710 Valid, 10381 Invalid, 1 Unknown, 0 Unchecked, 32.2s Time] [2022-11-25 15:47:59,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2022-11-25 15:47:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 2956. [2022-11-25 15:47:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2956 states, 2058 states have (on average 1.379008746355685) internal successors, (2838), 2100 states have internal predecessors, (2838), 787 states have call successors, (787), 107 states have call predecessors, (787), 110 states have return successors, (807), 768 states have call predecessors, (807), 786 states have call successors, (807) [2022-11-25 15:47:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 4432 transitions. [2022-11-25 15:47:59,487 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 4432 transitions. Word has length 236 [2022-11-25 15:47:59,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:59,488 INFO L495 AbstractCegarLoop]: Abstraction has 2956 states and 4432 transitions. [2022-11-25 15:47:59,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-25 15:47:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 4432 transitions. [2022-11-25 15:47:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-11-25 15:47:59,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:59,506 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:59,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:47:59,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:47:59,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:59,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1526219626, now seen corresponding path program 1 times [2022-11-25 15:47:59,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:59,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874368563] [2022-11-25 15:47:59,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:59,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:48:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:48:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:48:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:48:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:48:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:48:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:48:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:48:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:48:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:48:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:48:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 15:48:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 15:48:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 15:48:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 15:48:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 15:48:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-25 15:48:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-25 15:48:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-25 15:48:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-25 15:48:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 15:48:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 15:48:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:48:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 15:48:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-25 15:48:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 15:48:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-25 15:48:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-25 15:48:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 15:48:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 15:48:00,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:48:00,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874368563] [2022-11-25 15:48:00,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874368563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:48:00,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:48:00,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 15:48:00,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797466718] [2022-11-25 15:48:00,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:48:00,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 15:48:00,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:48:00,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 15:48:00,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:48:00,622 INFO L87 Difference]: Start difference. First operand 2956 states and 4432 transitions. Second operand has 10 states, 10 states have (on average 9.6) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 15:48:31,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:48:33,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:48:40,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:48:40,762 INFO L93 Difference]: Finished difference Result 9123 states and 13804 transitions. [2022-11-25 15:48:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 15:48:40,767 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 247 [2022-11-25 15:48:40,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:48:40,816 INFO L225 Difference]: With dead ends: 9123 [2022-11-25 15:48:40,816 INFO L226 Difference]: Without dead ends: 6189 [2022-11-25 15:48:40,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 15:48:40,833 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 3743 mSDsluCounter, 8470 mSDsCounter, 0 mSdLazyCounter, 12036 mSolverCounterSat, 2478 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4099 SdHoareTripleChecker+Valid, 10497 SdHoareTripleChecker+Invalid, 14515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2478 IncrementalHoareTripleChecker+Valid, 12036 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2022-11-25 15:48:40,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4099 Valid, 10497 Invalid, 14515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2478 Valid, 12036 Invalid, 1 Unknown, 0 Unchecked, 39.3s Time] [2022-11-25 15:48:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6189 states. [2022-11-25 15:48:41,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6189 to 5881. [2022-11-25 15:48:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5881 states, 4094 states have (on average 1.3793356130923302) internal successors, (5647), 4187 states have internal predecessors, (5647), 1564 states have call successors, (1564), 213 states have call predecessors, (1564), 222 states have return successors, (1644), 1520 states have call predecessors, (1644), 1563 states have call successors, (1644) [2022-11-25 15:48:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 5881 states and 8855 transitions. [2022-11-25 15:48:41,312 INFO L78 Accepts]: Start accepts. Automaton has 5881 states and 8855 transitions. Word has length 247 [2022-11-25 15:48:41,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:48:41,314 INFO L495 AbstractCegarLoop]: Abstraction has 5881 states and 8855 transitions. [2022-11-25 15:48:41,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 15:48:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 5881 states and 8855 transitions. [2022-11-25 15:48:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-25 15:48:41,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:48:41,339 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:48:41,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:48:41,340 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:48:41,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:48:41,340 INFO L85 PathProgramCache]: Analyzing trace with hash -81682355, now seen corresponding path program 1 times [2022-11-25 15:48:41,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:48:41,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21951988] [2022-11-25 15:48:41,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:48:41,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:48:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:48:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:48:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:48:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:48:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:48:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:48:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:48:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:48:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:48:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:48:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:48:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-25 15:48:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 15:48:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 15:48:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-25 15:48:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 15:48:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-25 15:48:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-25 15:48:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 15:48:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 15:48:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-25 15:48:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-25 15:48:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:48:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 15:48:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-25 15:48:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-25 15:48:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-25 15:48:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:48:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-25 15:48:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-25 15:48:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:48:42,379 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 15:48:42,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:48:42,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21951988] [2022-11-25 15:48:42,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21951988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:48:42,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:48:42,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 15:48:42,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933198920] [2022-11-25 15:48:42,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:48:42,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 15:48:42,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:48:42,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 15:48:42,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:48:42,382 INFO L87 Difference]: Start difference. First operand 5881 states and 8855 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 15:49:06,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:49:09,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:49:14,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:49:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:49:16,613 INFO L93 Difference]: Finished difference Result 18197 states and 27622 transitions. [2022-11-25 15:49:16,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 15:49:16,614 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 249 [2022-11-25 15:49:16,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:49:16,688 INFO L225 Difference]: With dead ends: 18197 [2022-11-25 15:49:16,688 INFO L226 Difference]: Without dead ends: 12338 [2022-11-25 15:49:16,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 15:49:16,717 INFO L413 NwaCegarLoop]: 1426 mSDtfsCounter, 3927 mSDsluCounter, 6347 mSDsCounter, 0 mSdLazyCounter, 11279 mSolverCounterSat, 2332 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4282 SdHoareTripleChecker+Valid, 7773 SdHoareTripleChecker+Invalid, 13612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2332 IncrementalHoareTripleChecker+Valid, 11279 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:49:16,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4282 Valid, 7773 Invalid, 13612 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2332 Valid, 11279 Invalid, 1 Unknown, 0 Unchecked, 33.2s Time] [2022-11-25 15:49:16,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12338 states. [2022-11-25 15:49:17,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12338 to 11748. [2022-11-25 15:49:17,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11748 states, 8183 states have (on average 1.3788341683978982) internal successors, (11283), 8369 states have internal predecessors, (11283), 3117 states have call successors, (3117), 426 states have call predecessors, (3117), 447 states have return successors, (3350), 3032 states have call predecessors, (3350), 3116 states have call successors, (3350) [2022-11-25 15:49:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11748 states to 11748 states and 17750 transitions. [2022-11-25 15:49:17,644 INFO L78 Accepts]: Start accepts. Automaton has 11748 states and 17750 transitions. Word has length 249 [2022-11-25 15:49:17,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:49:17,645 INFO L495 AbstractCegarLoop]: Abstraction has 11748 states and 17750 transitions. [2022-11-25 15:49:17,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 15:49:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 11748 states and 17750 transitions. [2022-11-25 15:49:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-25 15:49:17,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:49:17,669 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:49:17,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:49:17,670 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:49:17,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:49:17,670 INFO L85 PathProgramCache]: Analyzing trace with hash 246673184, now seen corresponding path program 1 times [2022-11-25 15:49:17,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:49:17,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331282312] [2022-11-25 15:49:17,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:49:17,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:49:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:49:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:49:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:49:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:49:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:49:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:49:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:49:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 15:49:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 15:49:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-25 15:49:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 15:49:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 15:49:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 15:49:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 15:49:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 15:49:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-25 15:49:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-25 15:49:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 15:49:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:49:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-25 15:49:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-25 15:49:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-25 15:49:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-25 15:49:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-25 15:49:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-25 15:49:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 15:49:18,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:49:18,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331282312] [2022-11-25 15:49:18,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331282312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:49:18,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:49:18,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 15:49:18,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128153231] [2022-11-25 15:49:18,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:49:18,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 15:49:18,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:49:18,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 15:49:18,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:49:18,734 INFO L87 Difference]: Start difference. First operand 11748 states and 17750 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 15:49:40,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:49:42,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:49:45,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:49:50,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:49:50,107 INFO L93 Difference]: Finished difference Result 35953 states and 54703 transitions. [2022-11-25 15:49:50,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 15:49:50,108 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 250 [2022-11-25 15:49:50,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:49:50,245 INFO L225 Difference]: With dead ends: 35953 [2022-11-25 15:49:50,246 INFO L226 Difference]: Without dead ends: 24227 [2022-11-25 15:49:50,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 15:49:50,297 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 4704 mSDsluCounter, 5737 mSDsCounter, 0 mSdLazyCounter, 9879 mSolverCounterSat, 4046 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5059 SdHoareTripleChecker+Valid, 7164 SdHoareTripleChecker+Invalid, 13927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4046 IncrementalHoareTripleChecker+Valid, 9879 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-11-25 15:49:50,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5059 Valid, 7164 Invalid, 13927 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4046 Valid, 9879 Invalid, 2 Unknown, 0 Unchecked, 29.9s Time] [2022-11-25 15:49:50,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24227 states. [2022-11-25 15:49:51,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24227 to 23095. [2022-11-25 15:49:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23095 states, 16075 states have (on average 1.3773561430793158) internal successors, (22141), 16441 states have internal predecessors, (22141), 6126 states have call successors, (6126), 848 states have call predecessors, (6126), 893 states have return successors, (6724), 5961 states have call predecessors, (6724), 6125 states have call successors, (6724) [2022-11-25 15:49:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23095 states to 23095 states and 34991 transitions. [2022-11-25 15:49:52,167 INFO L78 Accepts]: Start accepts. Automaton has 23095 states and 34991 transitions. Word has length 250 [2022-11-25 15:49:52,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:49:52,169 INFO L495 AbstractCegarLoop]: Abstraction has 23095 states and 34991 transitions. [2022-11-25 15:49:52,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 15:49:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 23095 states and 34991 transitions. [2022-11-25 15:49:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-25 15:49:52,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:49:52,256 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:49:52,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 15:49:52,256 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:49:52,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:49:52,257 INFO L85 PathProgramCache]: Analyzing trace with hash -155232868, now seen corresponding path program 1 times [2022-11-25 15:49:52,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:49:52,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842269235] [2022-11-25 15:49:52,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:49:52,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:49:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:49:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:49:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:49:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:49:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:49:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:49:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:49:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:53,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 15:49:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-25 15:49:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 15:49:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 15:49:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 15:49:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 15:49:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 15:49:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 15:49:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-25 15:49:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 15:49:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 15:49:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-25 15:49:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:49:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 15:49:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-25 15:49:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-25 15:49:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-25 15:49:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 15:49:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-25 15:49:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-25 15:49:54,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:49:54,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842269235] [2022-11-25 15:49:54,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842269235] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:49:54,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847894312] [2022-11-25 15:49:54,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:49:54,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:49:54,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:49:54,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:49:54,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:49:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:55,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 4624 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:49:55,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:49:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-25 15:49:55,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:49:55,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847894312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:49:55,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:49:55,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2022-11-25 15:49:55,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809618148] [2022-11-25 15:49:55,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:49:55,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:49:55,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:49:55,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:49:55,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-25 15:49:55,665 INFO L87 Difference]: Start difference. First operand 23095 states and 34991 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 15:49:56,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:49:56,602 INFO L93 Difference]: Finished difference Result 46183 states and 70045 transitions. [2022-11-25 15:49:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:49:56,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 260 [2022-11-25 15:49:56,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:49:56,812 INFO L225 Difference]: With dead ends: 46183 [2022-11-25 15:49:56,812 INFO L226 Difference]: Without dead ends: 23110 [2022-11-25 15:49:56,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-25 15:49:56,889 INFO L413 NwaCegarLoop]: 2219 mSDtfsCounter, 0 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4434 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:49:56,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4434 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:49:56,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23110 states. [2022-11-25 15:49:58,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23110 to 23110. [2022-11-25 15:49:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23110 states, 16090 states have (on average 1.3770043505282785) internal successors, (22156), 16456 states have internal predecessors, (22156), 6126 states have call successors, (6126), 848 states have call predecessors, (6126), 893 states have return successors, (6724), 5961 states have call predecessors, (6724), 6125 states have call successors, (6724) [2022-11-25 15:49:58,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23110 states to 23110 states and 35006 transitions. [2022-11-25 15:49:58,350 INFO L78 Accepts]: Start accepts. Automaton has 23110 states and 35006 transitions. Word has length 260 [2022-11-25 15:49:58,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:49:58,351 INFO L495 AbstractCegarLoop]: Abstraction has 23110 states and 35006 transitions. [2022-11-25 15:49:58,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 15:49:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 23110 states and 35006 transitions. [2022-11-25 15:49:58,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-25 15:49:58,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:49:58,376 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:49:58,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:49:58,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:49:58,592 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:49:58,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:49:58,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1703280182, now seen corresponding path program 1 times [2022-11-25 15:49:58,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:49:58,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240706159] [2022-11-25 15:49:58,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:49:58,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:49:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:49:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:49:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:49:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:49:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:49:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:49:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:49:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:49:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:49:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:49:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 15:50:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-25 15:50:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 15:50:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 15:50:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 15:50:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 15:50:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 15:50:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 15:50:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-25 15:50:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 15:50:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 15:50:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-25 15:50:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:50:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-25 15:50:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-25 15:50:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-25 15:50:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-25 15:50:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-11-25 15:50:00,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:50:00,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240706159] [2022-11-25 15:50:00,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240706159] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:50:00,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946665388] [2022-11-25 15:50:00,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:00,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:50:00,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:50:00,216 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:50:00,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 15:50:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:01,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 4650 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 15:50:01,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:50:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-25 15:50:01,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:50:01,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946665388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:50:01,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:50:01,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-11-25 15:50:01,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883614184] [2022-11-25 15:50:01,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:50:01,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 15:50:01,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:50:01,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 15:50:01,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2022-11-25 15:50:01,882 INFO L87 Difference]: Start difference. First operand 23110 states and 35006 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 15:50:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:50:03,278 INFO L93 Difference]: Finished difference Result 57728 states and 87548 transitions. [2022-11-25 15:50:03,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 15:50:03,280 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 248 [2022-11-25 15:50:03,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:50:03,484 INFO L225 Difference]: With dead ends: 57728 [2022-11-25 15:50:03,484 INFO L226 Difference]: Without dead ends: 34640 [2022-11-25 15:50:03,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2022-11-25 15:50:03,592 INFO L413 NwaCegarLoop]: 3333 mSDtfsCounter, 2247 mSDsluCounter, 15515 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 18848 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:50:03,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 18848 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 15:50:03,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34640 states. [2022-11-25 15:50:06,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34640 to 34491. [2022-11-25 15:50:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34491 states, 24018 states have (on average 1.377383628944958) internal successors, (33082), 24574 states have internal predecessors, (33082), 9131 states have call successors, (9131), 1266 states have call predecessors, (9131), 1341 states have return successors, (10184), 8882 states have call predecessors, (10184), 9130 states have call successors, (10184) [2022-11-25 15:50:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34491 states to 34491 states and 52397 transitions. [2022-11-25 15:50:06,457 INFO L78 Accepts]: Start accepts. Automaton has 34491 states and 52397 transitions. Word has length 248 [2022-11-25 15:50:06,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:50:06,460 INFO L495 AbstractCegarLoop]: Abstraction has 34491 states and 52397 transitions. [2022-11-25 15:50:06,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 15:50:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 34491 states and 52397 transitions. [2022-11-25 15:50:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-25 15:50:06,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:50:06,505 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:50:06,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 15:50:06,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 15:50:06,719 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:50:06,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:50:06,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1657976304, now seen corresponding path program 1 times [2022-11-25 15:50:06,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:50:06,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934151934] [2022-11-25 15:50:06,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:06,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:50:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:50:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:50:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:50:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:50:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:50:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:50:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:50:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-25 15:50:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 15:50:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 15:50:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 15:50:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 15:50:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-25 15:50:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 15:50:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-25 15:50:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 15:50:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 15:50:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 15:50:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-25 15:50:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:50:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-25 15:50:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-25 15:50:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-25 15:50:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-25 15:50:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-25 15:50:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-25 15:50:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:08,529 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 15:50:08,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:50:08,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934151934] [2022-11-25 15:50:08,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934151934] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:50:08,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470567303] [2022-11-25 15:50:08,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:08,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:50:08,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:50:08,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:50:08,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 15:50:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:09,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 4629 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 15:50:09,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:50:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 15:50:10,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:50:10,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470567303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:50:10,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:50:10,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-11-25 15:50:10,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402404725] [2022-11-25 15:50:10,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:50:10,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 15:50:10,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:50:10,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 15:50:10,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-11-25 15:50:10,149 INFO L87 Difference]: Start difference. First operand 34491 states and 52397 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 15:50:11,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:50:11,981 INFO L93 Difference]: Finished difference Result 80543 states and 122376 transitions. [2022-11-25 15:50:11,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 15:50:11,982 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 261 [2022-11-25 15:50:11,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:50:12,344 INFO L225 Difference]: With dead ends: 80543 [2022-11-25 15:50:12,345 INFO L226 Difference]: Without dead ends: 46074 [2022-11-25 15:50:12,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2022-11-25 15:50:12,455 INFO L413 NwaCegarLoop]: 3407 mSDtfsCounter, 2247 mSDsluCounter, 15799 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 19206 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:50:12,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 19206 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:50:12,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46074 states. [2022-11-25 15:50:15,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46074 to 45904. [2022-11-25 15:50:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45904 states, 31966 states have (on average 1.377338422073453) internal successors, (44028), 32728 states have internal predecessors, (44028), 12136 states have call successors, (12136), 1684 states have call predecessors, (12136), 1801 states have return successors, (13656), 11799 states have call predecessors, (13656), 12135 states have call successors, (13656) [2022-11-25 15:50:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45904 states to 45904 states and 69820 transitions. [2022-11-25 15:50:15,354 INFO L78 Accepts]: Start accepts. Automaton has 45904 states and 69820 transitions. Word has length 261 [2022-11-25 15:50:15,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:50:15,354 INFO L495 AbstractCegarLoop]: Abstraction has 45904 states and 69820 transitions. [2022-11-25 15:50:15,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 15:50:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 45904 states and 69820 transitions. [2022-11-25 15:50:15,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-25 15:50:15,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:50:15,390 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:50:15,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:50:15,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:50:15,605 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:50:15,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:50:15,605 INFO L85 PathProgramCache]: Analyzing trace with hash 502101969, now seen corresponding path program 1 times [2022-11-25 15:50:15,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:50:15,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308157467] [2022-11-25 15:50:15,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:15,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:50:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:50:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:50:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:50:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:50:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:50:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:50:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:50:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 15:50:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 15:50:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 15:50:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 15:50:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-25 15:50:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 15:50:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 15:50:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-25 15:50:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-25 15:50:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-25 15:50:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-25 15:50:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-25 15:50:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:50:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-25 15:50:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-25 15:50:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-25 15:50:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-25 15:50:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-25 15:50:17,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:50:17,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308157467] [2022-11-25 15:50:17,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308157467] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:50:17,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154954844] [2022-11-25 15:50:17,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:17,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:50:17,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:50:17,153 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:50:17,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 15:50:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:18,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 4654 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 15:50:18,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:50:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-25 15:50:18,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:50:18,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154954844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:50:18,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:50:18,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-11-25 15:50:18,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767605990] [2022-11-25 15:50:18,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:50:18,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 15:50:18,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:50:18,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 15:50:18,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-11-25 15:50:18,678 INFO L87 Difference]: Start difference. First operand 45904 states and 69820 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 15:50:21,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:50:21,103 INFO L93 Difference]: Finished difference Result 103358 states and 157204 transitions. [2022-11-25 15:50:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 15:50:21,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 250 [2022-11-25 15:50:21,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:50:21,493 INFO L225 Difference]: With dead ends: 103358 [2022-11-25 15:50:21,493 INFO L226 Difference]: Without dead ends: 57476 [2022-11-25 15:50:21,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2022-11-25 15:50:21,649 INFO L413 NwaCegarLoop]: 3676 mSDtfsCounter, 2247 mSDsluCounter, 16875 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 20551 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:50:21,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 20551 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:50:21,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57476 states. [2022-11-25 15:50:24,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57476 to 45926. [2022-11-25 15:50:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45926 states, 31982 states have (on average 1.3771496466762554) internal successors, (44044), 32746 states have internal predecessors, (44044), 12136 states have call successors, (12136), 1684 states have call predecessors, (12136), 1807 states have return successors, (13665), 11803 states have call predecessors, (13665), 12135 states have call successors, (13665) [2022-11-25 15:50:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45926 states to 45926 states and 69845 transitions. [2022-11-25 15:50:24,355 INFO L78 Accepts]: Start accepts. Automaton has 45926 states and 69845 transitions. Word has length 250 [2022-11-25 15:50:24,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:50:24,356 INFO L495 AbstractCegarLoop]: Abstraction has 45926 states and 69845 transitions. [2022-11-25 15:50:24,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 15:50:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand 45926 states and 69845 transitions. [2022-11-25 15:50:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-25 15:50:24,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:50:24,392 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:50:24,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:50:24,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:50:24,607 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:50:24,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:50:24,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1303347703, now seen corresponding path program 1 times [2022-11-25 15:50:24,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:50:24,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418423278] [2022-11-25 15:50:24,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:24,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:50:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:50:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:50:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:50:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:50:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:50:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:50:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:50:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 15:50:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 15:50:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 15:50:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 15:50:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-25 15:50:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 15:50:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-25 15:50:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 15:50:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-25 15:50:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 15:50:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-25 15:50:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 15:50:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:50:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-25 15:50:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-25 15:50:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-25 15:50:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-25 15:50:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-25 15:50:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-25 15:50:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 15:50:26,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:50:26,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418423278] [2022-11-25 15:50:26,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418423278] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:50:26,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529768249] [2022-11-25 15:50:26,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:26,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:50:26,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:50:26,047 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:50:26,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 15:50:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:27,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 4633 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 15:50:27,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:50:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-25 15:50:27,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:50:27,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529768249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:50:27,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:50:27,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-11-25 15:50:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393809418] [2022-11-25 15:50:27,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:50:27,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 15:50:27,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:50:27,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 15:50:27,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-11-25 15:50:27,662 INFO L87 Difference]: Start difference. First operand 45926 states and 69845 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 15:50:30,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:50:30,173 INFO L93 Difference]: Finished difference Result 103388 states and 157237 transitions. [2022-11-25 15:50:30,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 15:50:30,173 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 263 [2022-11-25 15:50:30,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:50:30,442 INFO L225 Difference]: With dead ends: 103388 [2022-11-25 15:50:30,442 INFO L226 Difference]: Without dead ends: 57484 [2022-11-25 15:50:30,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2022-11-25 15:50:30,604 INFO L413 NwaCegarLoop]: 3654 mSDtfsCounter, 2247 mSDsluCounter, 16787 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 20441 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:50:30,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 20441 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:50:30,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57484 states. [2022-11-25 15:50:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57484 to 45939. [2022-11-25 15:50:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45939 states, 31992 states have (on average 1.3770317579394848) internal successors, (44054), 32755 states have internal predecessors, (44054), 12136 states have call successors, (12136), 1684 states have call predecessors, (12136), 1810 states have return successors, (13668), 11807 states have call predecessors, (13668), 12135 states have call successors, (13668) [2022-11-25 15:50:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45939 states to 45939 states and 69858 transitions. [2022-11-25 15:50:33,528 INFO L78 Accepts]: Start accepts. Automaton has 45939 states and 69858 transitions. Word has length 263 [2022-11-25 15:50:33,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:50:33,529 INFO L495 AbstractCegarLoop]: Abstraction has 45939 states and 69858 transitions. [2022-11-25 15:50:33,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 15:50:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 45939 states and 69858 transitions. [2022-11-25 15:50:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-25 15:50:33,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:50:33,570 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:50:33,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:50:33,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 15:50:33,786 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:50:33,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:50:33,786 INFO L85 PathProgramCache]: Analyzing trace with hash -353643306, now seen corresponding path program 1 times [2022-11-25 15:50:33,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:50:33,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198808988] [2022-11-25 15:50:33,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:33,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:50:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:50:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:50:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:50:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:50:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:50:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:50:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:34,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:50:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:50:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-25 15:50:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 15:50:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 15:50:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-25 15:50:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 15:50:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-25 15:50:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-25 15:50:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-25 15:50:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-25 15:50:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-25 15:50:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 15:50:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 15:50:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-25 15:50:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:50:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-25 15:50:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-25 15:50:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:50:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-25 15:50:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-25 15:50:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-25 15:50:35,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:50:35,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198808988] [2022-11-25 15:50:35,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198808988] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:50:35,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029155471] [2022-11-25 15:50:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:35,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:50:35,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:50:35,351 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:50:35,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 15:50:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:36,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 4723 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 15:50:36,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:50:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-25 15:50:37,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:50:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 15:50:37,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029155471] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:50:37,803 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:50:37,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 10] total 25 [2022-11-25 15:50:37,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300590650] [2022-11-25 15:50:37,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:50:37,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 15:50:37,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:50:37,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 15:50:37,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-11-25 15:50:37,807 INFO L87 Difference]: Start difference. First operand 45939 states and 69858 transitions. Second operand has 25 states, 25 states have (on average 7.72) internal successors, (193), 15 states have internal predecessors, (193), 5 states have call successors, (67), 10 states have call predecessors, (67), 7 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) [2022-11-25 15:51:53,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:52:13,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 15:52:27,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:52:27,646 INFO L93 Difference]: Finished difference Result 129614 states and 198153 transitions. [2022-11-25 15:52:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-25 15:52:27,647 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 7.72) internal successors, (193), 15 states have internal predecessors, (193), 5 states have call successors, (67), 10 states have call predecessors, (67), 7 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) Word has length 264 [2022-11-25 15:52:27,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:52:27,986 INFO L225 Difference]: With dead ends: 129614 [2022-11-25 15:52:27,986 INFO L226 Difference]: Without dead ends: 83501 [2022-11-25 15:52:28,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 603 SyntacticMatches, 8 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7019 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=2874, Invalid=16308, Unknown=0, NotChecked=0, Total=19182 [2022-11-25 15:52:28,123 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 15958 mSDsluCounter, 26383 mSDsCounter, 0 mSdLazyCounter, 55795 mSolverCounterSat, 12882 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16576 SdHoareTripleChecker+Valid, 29530 SdHoareTripleChecker+Invalid, 68677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 12882 IncrementalHoareTripleChecker+Valid, 55795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.5s IncrementalHoareTripleChecker+Time [2022-11-25 15:52:28,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16576 Valid, 29530 Invalid, 68677 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [12882 Valid, 55795 Invalid, 0 Unknown, 0 Unchecked, 99.5s Time] [2022-11-25 15:52:28,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83501 states. [2022-11-25 15:52:32,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83501 to 79395. [2022-11-25 15:52:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79395 states, 55246 states have (on average 1.3756290048148283) internal successors, (75998), 56564 states have internal predecessors, (75998), 21009 states have call successors, (21009), 2935 states have call predecessors, (21009), 3139 states have return successors, (23550), 20423 states have call predecessors, (23550), 21008 states have call successors, (23550) [2022-11-25 15:52:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79395 states to 79395 states and 120557 transitions. [2022-11-25 15:52:33,311 INFO L78 Accepts]: Start accepts. Automaton has 79395 states and 120557 transitions. Word has length 264 [2022-11-25 15:52:33,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:52:33,312 INFO L495 AbstractCegarLoop]: Abstraction has 79395 states and 120557 transitions. [2022-11-25 15:52:33,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.72) internal successors, (193), 15 states have internal predecessors, (193), 5 states have call successors, (67), 10 states have call predecessors, (67), 7 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) [2022-11-25 15:52:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 79395 states and 120557 transitions. [2022-11-25 15:52:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-25 15:52:33,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:52:33,351 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:52:33,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:52:33,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 15:52:33,567 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:52:33,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:33,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1206658209, now seen corresponding path program 1 times [2022-11-25 15:52:33,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:33,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726125224] [2022-11-25 15:52:33,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:33,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:52:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:52:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 15:52:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:52:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 15:52:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:52:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 15:52:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 15:52:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 15:52:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 15:52:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 15:52:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 15:52:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 15:52:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 15:52:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 15:52:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-25 15:52:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-25 15:52:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-25 15:52:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-25 15:52:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 15:52:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-25 15:52:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 15:52:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-25 15:52:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-25 15:52:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:34,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:35,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 15:52:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:35,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-25 15:52:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:35,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-25 15:52:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 15:52:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-25 15:52:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-25 15:52:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-25 15:52:35,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:35,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726125224] [2022-11-25 15:52:35,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726125224] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:52:35,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499862673] [2022-11-25 15:52:35,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:35,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:52:35,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:35,032 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:52:35,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c4752a-9b2d-40eb-98de-02938baf4d88/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 15:52:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:36,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 4725 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 15:52:36,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:52:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-25 15:52:36,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:52:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 15:52:37,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499862673] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:52:37,380 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:52:37,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 10] total 25 [2022-11-25 15:52:37,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776678788] [2022-11-25 15:52:37,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:52:37,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 15:52:37,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:37,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 15:52:37,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-11-25 15:52:37,384 INFO L87 Difference]: Start difference. First operand 79395 states and 120557 transitions. Second operand has 25 states, 25 states have (on average 7.8) internal successors, (195), 15 states have internal predecessors, (195), 5 states have call successors, (67), 10 states have call predecessors, (67), 7 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58)