./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8 --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 f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:52:09,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:52:09,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:52:09,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:52:09,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:52:09,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:52:09,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:52:09,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:52:09,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:52:09,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:52:09,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:52:09,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:52:09,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:52:09,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:52:09,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:52:09,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:52:09,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:52:09,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:52:09,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:52:09,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:52:09,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:52:09,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:52:09,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:52:09,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:52:09,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:52:09,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:52:09,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:52:09,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:52:09,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:52:09,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:52:09,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:52:09,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:52:09,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:52:09,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:52:09,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:52:09,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:52:09,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:52:09,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:52:09,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:52:09,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:52:09,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:52:09,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 16:52:09,784 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:52:09,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:52:09,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:52:09,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:52:09,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:52:09,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:52:09,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:52:09,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:52:09,786 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:52:09,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:52:09,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:52:09,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:52:09,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:52:09,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:52:09,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:52:09,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:52:09,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:52:09,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:52:09,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:52:09,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:52:09,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:52:09,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:52:09,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:52:09,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:52:09,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:52:09,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:52:09,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:52:09,789 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:52:09,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:52:09,789 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:52:09,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:52:09,790 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:52:09,790 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_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 [2022-12-13 16:52:09,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:52:09,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:52:09,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:52:09,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:52:09,998 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:52:09,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-12-13 16:52:12,586 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:52:12,999 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:52:13,000 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-12-13 16:52:13,026 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/data/966c7d7ee/2c68a60bb8994a089538aa3f8bbcb28a/FLAG0d1c3f7e5 [2022-12-13 16:52:13,164 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/data/966c7d7ee/2c68a60bb8994a089538aa3f8bbcb28a [2022-12-13 16:52:13,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:52:13,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:52:13,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:52:13,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:52:13,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:52:13,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:52:13" (1/1) ... [2022-12-13 16:52:13,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62657036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:13, skipping insertion in model container [2022-12-13 16:52:13,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:52:13" (1/1) ... [2022-12-13 16:52:13,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:52:13,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:52:13,897 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 16:52:13,902 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 16:52:13,944 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 16:52:13,953 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 16:52:13,963 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 16:52:13,991 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 16:52:13,998 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 16:52:14,016 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 16:52:14,017 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 16:52:14,018 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 16:52:14,023 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 16:52:14,024 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 16:52:14,024 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 16:52:14,196 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 16:52:14,254 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 16:52:14,293 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 16:52:14,299 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 16:52:14,342 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 16:52:14,342 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-13 16:52:14,343 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 16:52:14,443 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,474 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,480 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,480 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,492 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,594 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 16:52:14,595 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,599 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,602 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,607 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-13 16:52:14,608 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 16:52:14,609 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 16:52:14,610 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,611 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-13 16:52:14,612 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-13 16:52:14,614 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:14,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,615 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 16:52:14,616 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 16:52:14,616 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 16:52:14,618 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,618 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 16:52:14,619 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 16:52:14,619 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 16:52:14,620 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 16:52:14,623 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:14,623 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,624 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,625 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,626 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,626 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,627 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,627 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,628 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,628 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,630 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,630 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,631 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,632 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:14,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,634 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,638 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:52:14,639 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-13 16:52:14,640 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 16:52:14,641 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:52:14,642 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,643 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:52:14,645 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:52:14,646 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 16:52:14,647 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,654 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,656 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 16:52:14,658 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:52:14,660 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:52:14,661 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,665 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 16:52:14,665 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:52:14,666 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,667 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:52:14,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,669 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:52:14,671 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:52:14,674 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:52:14,675 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,675 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:52:14,676 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,679 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,692 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,702 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,706 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,708 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,709 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,711 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:14,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,712 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-13 16:52:14,712 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:14,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,713 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-13 16:52:14,713 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:14,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,714 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 16:52:14,715 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:52:14,715 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-13 16:52:14,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,718 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 16:52:14,719 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 16:52:14,719 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 16:52:14,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:14,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:14,723 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:52:14,724 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:52:14,724 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-13 16:52:14,759 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 16:52:14,760 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_4 [2022-12-13 16:52:14,762 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-12-13 16:52:14,763 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-12-13 16:52:14,765 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 16:52:14,765 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 16:52:14,766 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 16:52:14,769 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 16:52:14,770 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 16:52:14,770 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 16:52:14,770 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 16:52:14,771 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 16:52:14,771 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 16:52:14,772 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 16:52:14,772 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 16:52:14,773 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 16:52:14,777 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_d7379cc8-ee83-47fa-b6a0-f2a20655218e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-12-13 16:52:14,805 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 16:52:14,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:52:14,856 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:52:14,946 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 16:52:14,947 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 16:52:14,948 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 16:52:14,949 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 16:52:14,949 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 16:52:14,949 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 16:52:14,950 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 16:52:14,950 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 16:52:14,951 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 16:52:14,951 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 16:52:14,951 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 16:52:14,952 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 16:52:14,952 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 16:52:14,956 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 16:52:14,957 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 16:52:14,958 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-13 16:52:14,960 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-13 16:52:14,964 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 16:52:14,964 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-13 16:52:14,964 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 16:52:14,987 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,992 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,995 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,995 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:14,997 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,005 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,007 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,007 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 16:52:15,008 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,009 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,014 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,016 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-13 16:52:15,017 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 16:52:15,018 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 16:52:15,019 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,019 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-13 16:52:15,020 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-13 16:52:15,021 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:15,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,022 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 16:52:15,022 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 16:52:15,023 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 16:52:15,024 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,024 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 16:52:15,025 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 16:52:15,025 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 16:52:15,026 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 16:52:15,028 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:15,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,030 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,030 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,031 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,031 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,032 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,032 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,033 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,033 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,034 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,035 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,036 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,037 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:15,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,039 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,043 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:52:15,043 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-13 16:52:15,044 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 16:52:15,045 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:52:15,046 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:52:15,046 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:52:15,047 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:52:15,048 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 16:52:15,049 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,054 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-13 16:52:15,055 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:52:15,061 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:52:15,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,063 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,065 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 16:52:15,066 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:52:15,067 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,071 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:52:15,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,074 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:52:15,079 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:52:15,082 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:52:15,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,087 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:52:15,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,091 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,106 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:15,106 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,107 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-13 16:52:15,107 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:15,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,108 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-13 16:52:15,108 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 16:52:15,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,108 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 16:52:15,109 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:52:15,109 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-13 16:52:15,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,111 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-13 16:52:15,112 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 16:52:15,112 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-13 16:52:15,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:52:15,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 16:52:15,115 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:52:15,115 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:52:15,116 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-13 16:52:15,120 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 16:52:15,120 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_4 [2022-12-13 16:52:15,122 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-12-13 16:52:15,122 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-12-13 16:52:15,124 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 16:52:15,124 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 16:52:15,124 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 16:52:15,127 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 16:52:15,127 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 16:52:15,127 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 16:52:15,128 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 16:52:15,128 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 16:52:15,128 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 16:52:15,129 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 16:52:15,129 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 16:52:15,130 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 16:52:15,130 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_d7379cc8-ee83-47fa-b6a0-f2a20655218e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-12-13 16:52:15,132 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 16:52:15,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:52:15,245 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:52:15,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15 WrapperNode [2022-12-13 16:52:15,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:52:15,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:52:15,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:52:15,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:52:15,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,443 INFO L138 Inliner]: procedures = 237, calls = 2068, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 4538 [2022-12-13 16:52:15,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:52:15,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:52:15,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:52:15,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:52:15,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,585 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:52:15,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:52:15,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:52:15,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:52:15,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (1/1) ... [2022-12-13 16:52:15,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:52:15,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:52:15,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:52:15,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:52:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-12-13 16:52:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-12-13 16:52:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2022-12-13 16:52:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2022-12-13 16:52:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 16:52:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 16:52:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 16:52:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-12-13 16:52:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 16:52:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 16:52:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 16:52:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-13 16:52:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-12-13 16:52:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 16:52:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-13 16:52:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 16:52:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-12-13 16:52:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-12-13 16:52:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-12-13 16:52:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-12-13 16:52:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-12-13 16:52:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-13 16:52:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-13 16:52:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-12-13 16:52:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-12-13 16:52:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:52:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 16:52:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-12-13 16:52:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 16:52:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 16:52:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-12-13 16:52:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-12-13 16:52:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-13 16:52:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-13 16:52:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-13 16:52:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-13 16:52:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:52:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-12-13 16:52:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-12-13 16:52:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-12-13 16:52:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-12-13 16:52:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-12-13 16:52:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-12-13 16:52:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:52:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:52:16,136 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:52:16,139 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:52:16,447 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 16:52:21,147 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:52:21,171 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:52:21,171 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:52:21,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:52:21 BoogieIcfgContainer [2022-12-13 16:52:21,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:52:21,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:52:21,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:52:21,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:52:21,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:52:13" (1/3) ... [2022-12-13 16:52:21,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2276773f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:52:21, skipping insertion in model container [2022-12-13 16:52:21,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:52:15" (2/3) ... [2022-12-13 16:52:21,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2276773f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:52:21, skipping insertion in model container [2022-12-13 16:52:21,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:52:21" (3/3) ... [2022-12-13 16:52:21,180 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-12-13 16:52:21,193 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:52:21,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 16:52:21,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:52:21,257 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;@4275898c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:52:21,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 16:52:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 1825 states, 1125 states have (on average 1.304888888888889) internal successors, (1468), 1156 states have internal predecessors, (1468), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) [2022-12-13 16:52:21,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-13 16:52:21,291 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:52:21,292 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:52:21,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:52:21,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:52:21,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2069249853, now seen corresponding path program 1 times [2022-12-13 16:52:21,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:52:21,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798793159] [2022-12-13 16:52:21,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:52:21,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:52:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:52:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:52:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:52:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:52:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:52:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:52:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:52:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:52:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 16:52:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 16:52:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 16:52:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 16:52:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 16:52:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 16:52:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:52:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:52:22,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:52:22,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798793159] [2022-12-13 16:52:22,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798793159] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:52:22,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:52:22,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 16:52:22,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352079] [2022-12-13 16:52:22,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:52:22,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:52:22,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:52:22,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:52:22,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:52:22,052 INFO L87 Difference]: Start difference. First operand has 1825 states, 1125 states have (on average 1.304888888888889) internal successors, (1468), 1156 states have internal predecessors, (1468), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 16:52:32,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:52:35,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:52:35,599 INFO L93 Difference]: Finished difference Result 3704 states and 5522 transitions. [2022-12-13 16:52:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:52:35,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 193 [2022-12-13 16:52:35,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:52:35,621 INFO L225 Difference]: With dead ends: 3704 [2022-12-13 16:52:35,621 INFO L226 Difference]: Without dead ends: 1866 [2022-12-13 16:52:35,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:52:35,634 INFO L413 NwaCegarLoop]: 1010 mSDtfsCounter, 1992 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 5257 mSolverCounterSat, 2028 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 2946 SdHoareTripleChecker+Invalid, 7285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2028 IncrementalHoareTripleChecker+Valid, 5257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:52:35,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2263 Valid, 2946 Invalid, 7285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2028 Valid, 5257 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2022-12-13 16:52:35,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2022-12-13 16:52:35,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1807. [2022-12-13 16:52:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1807 states, 1116 states have (on average 1.2974910394265233) internal successors, (1448), 1138 states have internal predecessors, (1448), 611 states have call successors, (611), 80 states have call predecessors, (611), 79 states have return successors, (610), 599 states have call predecessors, (610), 610 states have call successors, (610) [2022-12-13 16:52:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2669 transitions. [2022-12-13 16:52:35,779 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2669 transitions. Word has length 193 [2022-12-13 16:52:35,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:52:35,780 INFO L495 AbstractCegarLoop]: Abstraction has 1807 states and 2669 transitions. [2022-12-13 16:52:35,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 16:52:35,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2669 transitions. [2022-12-13 16:52:35,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-12-13 16:52:35,791 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:52:35,792 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:52:35,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:52:35,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:52:35,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:52:35,793 INFO L85 PathProgramCache]: Analyzing trace with hash 23935025, now seen corresponding path program 1 times [2022-12-13 16:52:35,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:52:35,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527228805] [2022-12-13 16:52:35,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:52:35,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:52:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:52:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:52:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:52:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:52:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:52:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:52:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:52:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:52:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:52:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 16:52:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 16:52:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 16:52:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 16:52:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 16:52:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 16:52:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:52:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:52:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:52:36,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:52:36,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527228805] [2022-12-13 16:52:36,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527228805] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:52:36,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:52:36,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:52:36,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706140148] [2022-12-13 16:52:36,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:52:36,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:52:36,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:52:36,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:52:36,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:52:36,356 INFO L87 Difference]: Start difference. First operand 1807 states and 2669 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 16:52:43,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:52:47,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:01,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:05,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:53:05,355 INFO L93 Difference]: Finished difference Result 5501 states and 8179 transitions. [2022-12-13 16:53:05,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 16:53:05,355 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 194 [2022-12-13 16:53:05,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:53:05,381 INFO L225 Difference]: With dead ends: 5501 [2022-12-13 16:53:05,381 INFO L226 Difference]: Without dead ends: 3716 [2022-12-13 16:53:05,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 16:53:05,393 INFO L413 NwaCegarLoop]: 1245 mSDtfsCounter, 5241 mSDsluCounter, 4481 mSDsCounter, 0 mSdLazyCounter, 14597 mSolverCounterSat, 5226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5713 SdHoareTripleChecker+Valid, 5726 SdHoareTripleChecker+Invalid, 19823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5226 IncrementalHoareTripleChecker+Valid, 14597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-12-13 16:53:05,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5713 Valid, 5726 Invalid, 19823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5226 Valid, 14597 Invalid, 0 Unknown, 0 Unchecked, 28.5s Time] [2022-12-13 16:53:05,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3716 states. [2022-12-13 16:53:05,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3716 to 3599. [2022-12-13 16:53:05,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3599 states, 2223 states have (on average 1.2968960863697705) internal successors, (2883), 2270 states have internal predecessors, (2883), 1214 states have call successors, (1214), 159 states have call predecessors, (1214), 161 states have return successors, (1228), 1191 states have call predecessors, (1228), 1213 states have call successors, (1228) [2022-12-13 16:53:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 3599 states and 5325 transitions. [2022-12-13 16:53:05,635 INFO L78 Accepts]: Start accepts. Automaton has 3599 states and 5325 transitions. Word has length 194 [2022-12-13 16:53:05,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:53:05,636 INFO L495 AbstractCegarLoop]: Abstraction has 3599 states and 5325 transitions. [2022-12-13 16:53:05,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 16:53:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3599 states and 5325 transitions. [2022-12-13 16:53:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 16:53:05,642 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:53:05,642 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:53:05,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:53:05,642 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:53:05,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:53:05,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1527541554, now seen corresponding path program 1 times [2022-12-13 16:53:05,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:53:05,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33739018] [2022-12-13 16:53:05,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:53:05,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:53:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:53:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:05,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:05,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:05,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:53:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:53:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:53:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:53:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:53:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:53:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 16:53:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 16:53:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 16:53:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:53:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 16:53:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 16:53:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 16:53:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:53:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:53:06,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:53:06,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33739018] [2022-12-13 16:53:06,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33739018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:53:06,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:53:06,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:53:06,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055657357] [2022-12-13 16:53:06,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:53:06,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:53:06,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:53:06,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:53:06,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:53:06,170 INFO L87 Difference]: Start difference. First operand 3599 states and 5325 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 16:53:12,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:15,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:16,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:17,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:19,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:21,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:30,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:35,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:53:35,884 INFO L93 Difference]: Finished difference Result 10980 states and 16348 transitions. [2022-12-13 16:53:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 16:53:35,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2022-12-13 16:53:35,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:53:35,913 INFO L225 Difference]: With dead ends: 10980 [2022-12-13 16:53:35,913 INFO L226 Difference]: Without dead ends: 7403 [2022-12-13 16:53:35,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 16:53:35,926 INFO L413 NwaCegarLoop]: 1206 mSDtfsCounter, 5146 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 15090 mSolverCounterSat, 5076 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5620 SdHoareTripleChecker+Valid, 5575 SdHoareTripleChecker+Invalid, 20167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5076 IncrementalHoareTripleChecker+Valid, 15090 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:53:35,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5620 Valid, 5575 Invalid, 20167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5076 Valid, 15090 Invalid, 1 Unknown, 0 Unchecked, 29.1s Time] [2022-12-13 16:53:35,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7403 states. [2022-12-13 16:53:36,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7403 to 7164. [2022-12-13 16:53:36,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7164 states, 4421 states have (on average 1.2965392445148156) internal successors, (5732), 4523 states have internal predecessors, (5732), 2419 states have call successors, (2419), 317 states have call predecessors, (2419), 323 states have return successors, (2470), 2367 states have call predecessors, (2470), 2418 states have call successors, (2470) [2022-12-13 16:53:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7164 states to 7164 states and 10621 transitions. [2022-12-13 16:53:36,346 INFO L78 Accepts]: Start accepts. Automaton has 7164 states and 10621 transitions. Word has length 192 [2022-12-13 16:53:36,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:53:36,347 INFO L495 AbstractCegarLoop]: Abstraction has 7164 states and 10621 transitions. [2022-12-13 16:53:36,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 16:53:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 7164 states and 10621 transitions. [2022-12-13 16:53:36,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-13 16:53:36,359 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:53:36,359 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:53:36,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:53:36,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:53:36,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:53:36,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1298246393, now seen corresponding path program 1 times [2022-12-13 16:53:36,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:53:36,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393897954] [2022-12-13 16:53:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:53:36,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:53:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:53:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:53:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:53:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:53:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:53:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:53:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:53:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:53:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:53:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 16:53:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 16:53:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 16:53:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 16:53:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 16:53:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 16:53:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:53:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:53:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:53:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:53:36,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:53:36,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393897954] [2022-12-13 16:53:36,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393897954] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:53:36,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:53:36,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:53:36,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813399620] [2022-12-13 16:53:36,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:53:36,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:53:36,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:53:36,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:53:36,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:53:36,944 INFO L87 Difference]: Start difference. First operand 7164 states and 10621 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 16:53:42,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:43,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:45,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:47,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:57,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:58,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:54:05,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:54:05,229 INFO L93 Difference]: Finished difference Result 21905 states and 32668 transitions. [2022-12-13 16:54:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 16:54:05,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 193 [2022-12-13 16:54:05,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:54:05,297 INFO L225 Difference]: With dead ends: 21905 [2022-12-13 16:54:05,298 INFO L226 Difference]: Without dead ends: 14763 [2022-12-13 16:54:05,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 16:54:05,321 INFO L413 NwaCegarLoop]: 1184 mSDtfsCounter, 5358 mSDsluCounter, 3836 mSDsCounter, 0 mSdLazyCounter, 12845 mSolverCounterSat, 5334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5830 SdHoareTripleChecker+Valid, 5020 SdHoareTripleChecker+Invalid, 18179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5334 IncrementalHoareTripleChecker+Valid, 12845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2022-12-13 16:54:05,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5830 Valid, 5020 Invalid, 18179 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5334 Valid, 12845 Invalid, 0 Unknown, 0 Unchecked, 27.5s Time] [2022-12-13 16:54:05,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14763 states. [2022-12-13 16:54:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14763 to 14310. [2022-12-13 16:54:05,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14310 states, 8833 states have (on average 1.2958224838673158) internal successors, (11446), 9036 states have internal predecessors, (11446), 4828 states have call successors, (4828), 634 states have call predecessors, (4828), 648 states have return successors, (4973), 4727 states have call predecessors, (4973), 4827 states have call successors, (4973) [2022-12-13 16:54:06,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14310 states to 14310 states and 21247 transitions. [2022-12-13 16:54:06,046 INFO L78 Accepts]: Start accepts. Automaton has 14310 states and 21247 transitions. Word has length 193 [2022-12-13 16:54:06,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:54:06,046 INFO L495 AbstractCegarLoop]: Abstraction has 14310 states and 21247 transitions. [2022-12-13 16:54:06,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 16:54:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 14310 states and 21247 transitions. [2022-12-13 16:54:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-12-13 16:54:06,059 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:54:06,060 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 16:54:06,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:54:06,060 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:54:06,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:54:06,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1444005253, now seen corresponding path program 1 times [2022-12-13 16:54:06,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:54:06,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133328614] [2022-12-13 16:54:06,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:06,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:54:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:54:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:54:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:54:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:54:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:54:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:54:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:54:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 16:54:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 16:54:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 16:54:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 16:54:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 16:54:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 16:54:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:54:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 16:54:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 16:54:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 16:54:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-12-13 16:54:06,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:54:06,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133328614] [2022-12-13 16:54:06,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133328614] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:54:06,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:54:06,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:54:06,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973293652] [2022-12-13 16:54:06,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:54:06,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:54:06,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:54:06,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:54:06,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:54:06,533 INFO L87 Difference]: Start difference. First operand 14310 states and 21247 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 16:54:10,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:54:11,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:54:26,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:54:26,234 INFO L93 Difference]: Finished difference Result 43320 states and 64669 transitions. [2022-12-13 16:54:26,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 16:54:26,234 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 217 [2022-12-13 16:54:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:54:26,352 INFO L225 Difference]: With dead ends: 43320 [2022-12-13 16:54:26,352 INFO L226 Difference]: Without dead ends: 29032 [2022-12-13 16:54:26,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 16:54:26,419 INFO L413 NwaCegarLoop]: 1182 mSDtfsCounter, 6304 mSDsluCounter, 3393 mSDsCounter, 0 mSdLazyCounter, 11096 mSolverCounterSat, 6907 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6776 SdHoareTripleChecker+Valid, 4575 SdHoareTripleChecker+Invalid, 18003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6907 IncrementalHoareTripleChecker+Valid, 11096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-13 16:54:26,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6776 Valid, 4575 Invalid, 18003 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6907 Valid, 11096 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-12-13 16:54:26,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29032 states. [2022-12-13 16:54:27,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29032 to 28176. [2022-12-13 16:54:27,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28176 states, 17372 states have (on average 1.2942090720699977) internal successors, (22483), 17768 states have internal predecessors, (22483), 9519 states have call successors, (9519), 1254 states have call predecessors, (9519), 1284 states have return successors, (9890), 9324 states have call predecessors, (9890), 9518 states have call successors, (9890) [2022-12-13 16:54:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28176 states to 28176 states and 41892 transitions. [2022-12-13 16:54:27,948 INFO L78 Accepts]: Start accepts. Automaton has 28176 states and 41892 transitions. Word has length 217 [2022-12-13 16:54:27,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:54:27,948 INFO L495 AbstractCegarLoop]: Abstraction has 28176 states and 41892 transitions. [2022-12-13 16:54:27,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 16:54:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 28176 states and 41892 transitions. [2022-12-13 16:54:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-13 16:54:27,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:54:27,965 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:54:27,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 16:54:27,966 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:54:27,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:54:27,966 INFO L85 PathProgramCache]: Analyzing trace with hash -618899695, now seen corresponding path program 1 times [2022-12-13 16:54:27,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:54:27,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587522231] [2022-12-13 16:54:27,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:27,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:54:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:54:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:54:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:54:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:54:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:54:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:54:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:54:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 16:54:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 16:54:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 16:54:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 16:54:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 16:54:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 16:54:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 16:54:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 16:54:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:54:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-12-13 16:54:28,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:54:28,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587522231] [2022-12-13 16:54:28,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587522231] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:54:28,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682318754] [2022-12-13 16:54:28,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:28,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:54:28,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:54:28,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:54:28,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:54:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:29,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 3276 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:54:29,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:54:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:54:29,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:54:29,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682318754] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:54:29,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:54:29,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-12-13 16:54:29,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166293235] [2022-12-13 16:54:29,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:54:29,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:54:29,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:54:29,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:54:29,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 16:54:29,416 INFO L87 Difference]: Start difference. First operand 28176 states and 41892 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 16:54:30,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:54:30,973 INFO L93 Difference]: Finished difference Result 70374 states and 104678 transitions. [2022-12-13 16:54:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:54:30,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 205 [2022-12-13 16:54:30,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:54:31,176 INFO L225 Difference]: With dead ends: 70374 [2022-12-13 16:54:31,176 INFO L226 Difference]: Without dead ends: 42220 [2022-12-13 16:54:31,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-12-13 16:54:31,297 INFO L413 NwaCegarLoop]: 3993 mSDtfsCounter, 2694 mSDsluCounter, 18602 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 22595 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:54:31,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 22595 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:54:31,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42220 states. [2022-12-13 16:54:33,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42220 to 42071. [2022-12-13 16:54:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42071 states, 25941 states have (on average 1.2945530241702325) internal successors, (33582), 26541 states have internal predecessors, (33582), 14206 states have call successors, (14206), 1870 states have call predecessors, (14206), 1923 states have return successors, (14853), 13913 states have call predecessors, (14853), 14205 states have call successors, (14853) [2022-12-13 16:54:33,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42071 states to 42071 states and 62641 transitions. [2022-12-13 16:54:33,710 INFO L78 Accepts]: Start accepts. Automaton has 42071 states and 62641 transitions. Word has length 205 [2022-12-13 16:54:33,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:54:33,710 INFO L495 AbstractCegarLoop]: Abstraction has 42071 states and 62641 transitions. [2022-12-13 16:54:33,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 16:54:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 42071 states and 62641 transitions. [2022-12-13 16:54:33,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-13 16:54:33,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:54:33,724 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 16:54:33,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:54:33,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 16:54:33,925 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:54:33,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:54:33,926 INFO L85 PathProgramCache]: Analyzing trace with hash 680156939, now seen corresponding path program 1 times [2022-12-13 16:54:33,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:54:33,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76645463] [2022-12-13 16:54:33,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:33,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:54:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:54:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:54:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:54:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:54:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:54:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:54:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:54:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:54:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 16:54:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 16:54:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 16:54:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 16:54:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 16:54:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 16:54:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 16:54:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:54:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:54:34,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:54:34,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76645463] [2022-12-13 16:54:34,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76645463] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:54:34,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751381375] [2022-12-13 16:54:34,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:34,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:54:34,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:54:34,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:54:34,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 16:54:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:35,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 3278 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:54:35,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:54:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:54:35,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:54:35,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751381375] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:54:35,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:54:35,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 16:54:35,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091987147] [2022-12-13 16:54:35,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:54:35,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:54:35,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:54:35,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:54:35,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:54:35,126 INFO L87 Difference]: Start difference. First operand 42071 states and 62641 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 16:54:36,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:54:36,950 INFO L93 Difference]: Finished difference Result 98217 states and 146222 transitions. [2022-12-13 16:54:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:54:36,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 206 [2022-12-13 16:54:36,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:54:37,233 INFO L225 Difference]: With dead ends: 98217 [2022-12-13 16:54:37,233 INFO L226 Difference]: Without dead ends: 56168 [2022-12-13 16:54:37,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 16:54:37,394 INFO L413 NwaCegarLoop]: 4047 mSDtfsCounter, 2694 mSDsluCounter, 18806 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 22853 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 [2022-12-13 16:54:37,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 22853 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:54:37,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56168 states. [2022-12-13 16:54:40,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56168 to 55998. [2022-12-13 16:54:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55998 states, 34530 states have (on average 1.294555459021141) internal successors, (44701), 35350 states have internal predecessors, (44701), 18893 states have call successors, (18893), 2486 states have call predecessors, (18893), 2574 states have return successors, (19828), 18498 states have call predecessors, (19828), 18892 states have call successors, (19828) [2022-12-13 16:54:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55998 states to 55998 states and 83422 transitions. [2022-12-13 16:54:40,774 INFO L78 Accepts]: Start accepts. Automaton has 55998 states and 83422 transitions. Word has length 206 [2022-12-13 16:54:40,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:54:40,774 INFO L495 AbstractCegarLoop]: Abstraction has 55998 states and 83422 transitions. [2022-12-13 16:54:40,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 16:54:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 55998 states and 83422 transitions. [2022-12-13 16:54:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-12-13 16:54:40,787 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:54:40,787 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 16:54:40,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 16:54:40,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:54:40,988 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:54:40,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:54:40,990 INFO L85 PathProgramCache]: Analyzing trace with hash 189862168, now seen corresponding path program 1 times [2022-12-13 16:54:40,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:54:40,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547343681] [2022-12-13 16:54:40,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:40,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:54:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:54:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:54:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:54:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:54:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:54:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:54:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:54:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 16:54:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 16:54:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 16:54:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 16:54:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 16:54:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 16:54:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 16:54:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 16:54:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:54:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:54:41,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:54:41,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547343681] [2022-12-13 16:54:41,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547343681] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:54:41,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725332921] [2022-12-13 16:54:41,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:41,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:54:41,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:54:41,490 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:54:41,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 16:54:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:42,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:54:42,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:54:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:54:42,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:54:42,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725332921] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:54:42,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:54:42,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 16:54:42,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980100796] [2022-12-13 16:54:42,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:54:42,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:54:42,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:54:42,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:54:42,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:54:42,072 INFO L87 Difference]: Start difference. First operand 55998 states and 83422 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 16:54:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:54:44,519 INFO L93 Difference]: Finished difference Result 126060 states and 187766 transitions. [2022-12-13 16:54:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:54:44,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 207 [2022-12-13 16:54:44,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:54:44,868 INFO L225 Difference]: With dead ends: 126060 [2022-12-13 16:54:44,868 INFO L226 Difference]: Without dead ends: 70084 [2022-12-13 16:54:45,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 16:54:45,095 INFO L413 NwaCegarLoop]: 4068 mSDtfsCounter, 2694 mSDsluCounter, 18890 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 22958 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 [2022-12-13 16:54:45,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 22958 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:54:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70084 states. [2022-12-13 16:54:47,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70084 to 56020. [2022-12-13 16:54:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56020 states, 34546 states have (on average 1.2944190354889133) internal successors, (44717), 35368 states have internal predecessors, (44717), 18893 states have call successors, (18893), 2486 states have call predecessors, (18893), 2580 states have return successors, (19837), 18502 states have call predecessors, (19837), 18892 states have call successors, (19837) [2022-12-13 16:54:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56020 states to 56020 states and 83447 transitions. [2022-12-13 16:54:48,096 INFO L78 Accepts]: Start accepts. Automaton has 56020 states and 83447 transitions. Word has length 207 [2022-12-13 16:54:48,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:54:48,097 INFO L495 AbstractCegarLoop]: Abstraction has 56020 states and 83447 transitions. [2022-12-13 16:54:48,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 16:54:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 56020 states and 83447 transitions. [2022-12-13 16:54:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 16:54:48,112 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:54:48,113 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 16:54:48,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 16:54:48,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-13 16:54:48,314 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:54:48,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:54:48,315 INFO L85 PathProgramCache]: Analyzing trace with hash 64248690, now seen corresponding path program 1 times [2022-12-13 16:54:48,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:54:48,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974591030] [2022-12-13 16:54:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:48,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:54:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:54:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:54:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:54:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:54:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:54:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:54:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:54:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 16:54:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 16:54:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 16:54:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 16:54:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 16:54:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 16:54:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 16:54:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 16:54:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:54:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:54:48,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:54:48,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974591030] [2022-12-13 16:54:48,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974591030] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:54:48,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065004176] [2022-12-13 16:54:48,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:48,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:54:48,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:54:48,819 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:54:48,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 16:54:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:49,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 3282 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:54:49,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:54:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 16:54:49,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:54:49,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065004176] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:54:49,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:54:49,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 16:54:49,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075027378] [2022-12-13 16:54:49,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:54:49,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:54:49,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:54:49,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:54:49,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:54:49,549 INFO L87 Difference]: Start difference. First operand 56020 states and 83447 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 16:54:52,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:54:52,282 INFO L93 Difference]: Finished difference Result 126090 states and 187799 transitions. [2022-12-13 16:54:52,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:54:52,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 208 [2022-12-13 16:54:52,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:54:52,647 INFO L225 Difference]: With dead ends: 126090 [2022-12-13 16:54:52,647 INFO L226 Difference]: Without dead ends: 70092 [2022-12-13 16:54:52,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 16:54:52,885 INFO L413 NwaCegarLoop]: 4210 mSDtfsCounter, 2694 mSDsluCounter, 19458 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 23668 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 [2022-12-13 16:54:52,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 23668 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:54:52,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70092 states. [2022-12-13 16:54:55,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70092 to 56033. [2022-12-13 16:54:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56033 states, 34556 states have (on average 1.294333834934599) internal successors, (44727), 35377 states have internal predecessors, (44727), 18893 states have call successors, (18893), 2486 states have call predecessors, (18893), 2583 states have return successors, (19840), 18506 states have call predecessors, (19840), 18892 states have call successors, (19840) [2022-12-13 16:54:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56033 states to 56033 states and 83460 transitions. [2022-12-13 16:54:55,966 INFO L78 Accepts]: Start accepts. Automaton has 56033 states and 83460 transitions. Word has length 208 [2022-12-13 16:54:55,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:54:55,967 INFO L495 AbstractCegarLoop]: Abstraction has 56033 states and 83460 transitions. [2022-12-13 16:54:55,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 16:54:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 56033 states and 83460 transitions. [2022-12-13 16:54:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-13 16:54:55,983 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:54:55,983 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:54:55,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 16:54:56,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:54:56,185 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:54:56,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:54:56,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1766343388, now seen corresponding path program 1 times [2022-12-13 16:54:56,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:54:56,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252435470] [2022-12-13 16:54:56,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:56,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:54:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:54:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:54:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:54:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:54:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:54:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:54:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:54:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:54:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:54:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 16:54:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 16:54:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 16:54:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 16:54:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 16:54:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 16:54:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 16:54:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 16:54:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:54:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:54:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-12-13 16:54:56,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:54:56,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252435470] [2022-12-13 16:54:56,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252435470] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:54:56,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353790168] [2022-12-13 16:54:56,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:54:56,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:54:56,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:54:56,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:54:56,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 16:54:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:54:57,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 3349 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 16:54:57,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:54:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-12-13 16:54:57,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:54:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-12-13 16:54:57,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353790168] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:54:57,712 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:54:57,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 16:54:57,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162412622] [2022-12-13 16:54:57,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:54:57,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 16:54:57,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:54:57,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 16:54:57,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 16:54:57,714 INFO L87 Difference]: Start difference. First operand 56033 states and 83460 transitions. Second operand has 24 states, 24 states have (on average 6.75) internal successors, (162), 15 states have internal predecessors, (162), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) [2022-12-13 16:55:11,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:12,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:15,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:16,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:17,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:18,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:20,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:21,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:23,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:26,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:28,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:32,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:35,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:38,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:41,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:42,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:44,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:46,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:48,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:55:56,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:56:29,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:56:41,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:15,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:57:15,543 INFO L93 Difference]: Finished difference Result 156457 states and 234001 transitions. [2022-12-13 16:57:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 16:57:15,543 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.75) internal successors, (162), 15 states have internal predecessors, (162), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) Word has length 221 [2022-12-13 16:57:15,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:57:16,033 INFO L225 Difference]: With dead ends: 156457 [2022-12-13 16:57:16,033 INFO L226 Difference]: Without dead ends: 100250 [2022-12-13 16:57:16,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 505 SyntacticMatches, 8 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5737 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2496, Invalid=13506, Unknown=0, NotChecked=0, Total=16002 [2022-12-13 16:57:16,271 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 15429 mSDsluCounter, 15778 mSDsCounter, 0 mSdLazyCounter, 75721 mSolverCounterSat, 16556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16178 SdHoareTripleChecker+Valid, 18011 SdHoareTripleChecker+Invalid, 92277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 16556 IncrementalHoareTripleChecker+Valid, 75721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.9s IncrementalHoareTripleChecker+Time [2022-12-13 16:57:16,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16178 Valid, 18011 Invalid, 92277 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [16556 Valid, 75721 Invalid, 0 Unknown, 0 Unchecked, 129.9s Time] [2022-12-13 16:57:16,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100250 states. [2022-12-13 16:57:20,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100250 to 97057. [2022-12-13 16:57:20,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97057 states, 59787 states have (on average 1.292990114907923) internal successors, (77304), 61199 states have internal predecessors, (77304), 32804 states have call successors, (32804), 4311 states have call predecessors, (32804), 4465 states have return successors, (34407), 32122 states have call predecessors, (34407), 32803 states have call successors, (34407) [2022-12-13 16:57:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97057 states to 97057 states and 144515 transitions. [2022-12-13 16:57:21,065 INFO L78 Accepts]: Start accepts. Automaton has 97057 states and 144515 transitions. Word has length 221 [2022-12-13 16:57:21,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:57:21,065 INFO L495 AbstractCegarLoop]: Abstraction has 97057 states and 144515 transitions. [2022-12-13 16:57:21,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.75) internal successors, (162), 15 states have internal predecessors, (162), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) [2022-12-13 16:57:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 97057 states and 144515 transitions. [2022-12-13 16:57:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-12-13 16:57:21,082 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:57:21,083 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:57:21,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 16:57:21,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:57:21,283 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:57:21,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:57:21,284 INFO L85 PathProgramCache]: Analyzing trace with hash -270594185, now seen corresponding path program 1 times [2022-12-13 16:57:21,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:57:21,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944440955] [2022-12-13 16:57:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:57:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:57:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:57:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:57:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:57:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:57:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:57:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:57:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:57:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 16:57:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 16:57:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 16:57:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 16:57:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 16:57:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 16:57:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 16:57:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 16:57:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 16:57:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:57:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-12-13 16:57:21,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:57:21,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944440955] [2022-12-13 16:57:21,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944440955] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:57:21,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653827202] [2022-12-13 16:57:21,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:57:21,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:57:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:57:21,752 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:57:21,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 16:57:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:22,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 3351 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 16:57:22,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:57:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-12-13 16:57:22,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:57:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-12-13 16:57:22,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653827202] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:57:22,748 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:57:22,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 16:57:22,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734938576] [2022-12-13 16:57:22,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:57:22,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 16:57:22,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:57:22,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 16:57:22,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 16:57:22,751 INFO L87 Difference]: Start difference. First operand 97057 states and 144515 transitions. Second operand has 24 states, 24 states have (on average 6.833333333333333) internal successors, (164), 15 states have internal predecessors, (164), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) [2022-12-13 16:57:36,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:38,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:40,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:42,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:45,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:47,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:48,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:55,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:00,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:01,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:02,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:05,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:19,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:55,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:59:10,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:59:11,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:59:44,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:59:44,085 INFO L93 Difference]: Finished difference Result 265917 states and 397217 transitions. [2022-12-13 16:59:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 16:59:44,086 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.833333333333333) internal successors, (164), 15 states have internal predecessors, (164), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) Word has length 222 [2022-12-13 16:59:44,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:59:44,874 INFO L225 Difference]: With dead ends: 265917 [2022-12-13 16:59:44,874 INFO L226 Difference]: Without dead ends: 168560 [2022-12-13 16:59:45,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 507 SyntacticMatches, 8 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5850 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2496, Invalid=13506, Unknown=0, NotChecked=0, Total=16002 [2022-12-13 16:59:45,245 INFO L413 NwaCegarLoop]: 1898 mSDtfsCounter, 18249 mSDsluCounter, 14848 mSDsCounter, 0 mSdLazyCounter, 85882 mSolverCounterSat, 16636 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18997 SdHoareTripleChecker+Valid, 16746 SdHoareTripleChecker+Invalid, 102520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 16636 IncrementalHoareTripleChecker+Valid, 85882 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.5s IncrementalHoareTripleChecker+Time [2022-12-13 16:59:45,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18997 Valid, 16746 Invalid, 102520 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [16636 Valid, 85882 Invalid, 2 Unknown, 0 Unchecked, 130.5s Time] [2022-12-13 16:59:45,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168560 states. [2022-12-13 16:59:52,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168560 to 160236. [2022-12-13 16:59:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160236 states, 98532 states have (on average 1.291864571915723) internal successors, (127290), 100841 states have internal predecessors, (127290), 54329 states have call successors, (54329), 7148 states have call predecessors, (54329), 7374 states have return successors, (56770), 53185 states have call predecessors, (56770), 54328 states have call successors, (56770) [2022-12-13 16:59:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160236 states to 160236 states and 238389 transitions. [2022-12-13 16:59:53,784 INFO L78 Accepts]: Start accepts. Automaton has 160236 states and 238389 transitions. Word has length 222 [2022-12-13 16:59:53,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:59:53,785 INFO L495 AbstractCegarLoop]: Abstraction has 160236 states and 238389 transitions. [2022-12-13 16:59:53,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.833333333333333) internal successors, (164), 15 states have internal predecessors, (164), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) [2022-12-13 16:59:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 160236 states and 238389 transitions. [2022-12-13 16:59:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-12-13 16:59:53,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:59:53,806 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:59:53,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 16:59:54,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 16:59:54,006 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:59:54,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:59:54,007 INFO L85 PathProgramCache]: Analyzing trace with hash -127498787, now seen corresponding path program 1 times [2022-12-13 16:59:54,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:59:54,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722609585] [2022-12-13 16:59:54,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:54,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:59:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:59:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:59:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:59:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:59:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:59:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:59:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 16:59:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 16:59:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 16:59:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 16:59:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 16:59:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 16:59:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 16:59:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 16:59:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 16:59:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 16:59:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:59:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-12-13 16:59:54,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:59:54,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722609585] [2022-12-13 16:59:54,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722609585] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:59:54,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250227526] [2022-12-13 16:59:54,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:54,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:59:54,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:59:54,522 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:59:54,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 16:59:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:55,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 3353 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 16:59:55,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:59:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-12-13 16:59:55,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:59:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-12-13 16:59:55,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250227526] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:59:55,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:59:55,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 16:59:55,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294514359] [2022-12-13 16:59:55,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:59:55,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 16:59:55,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:59:55,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 16:59:55,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 16:59:55,655 INFO L87 Difference]: Start difference. First operand 160236 states and 238389 transitions. Second operand has 24 states, 24 states have (on average 6.916666666666667) internal successors, (166), 15 states have internal predecessors, (166), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) [2022-12-13 17:00:08,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:10,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:12,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:13,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:18,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:22,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:23,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:25,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:26,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:32,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:35,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:41,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:43,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:44,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:48,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:50,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:00:53,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:01:34,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:01:38,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:02:17,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:02:17,936 INFO L93 Difference]: Finished difference Result 387292 states and 577593 transitions. [2022-12-13 17:02:17,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 17:02:17,936 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.916666666666667) internal successors, (166), 15 states have internal predecessors, (166), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) Word has length 223 [2022-12-13 17:02:17,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:02:19,231 INFO L225 Difference]: With dead ends: 387292 [2022-12-13 17:02:19,231 INFO L226 Difference]: Without dead ends: 226623 [2022-12-13 17:02:19,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 509 SyntacticMatches, 8 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5857 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2496, Invalid=13506, Unknown=0, NotChecked=0, Total=16002 [2022-12-13 17:02:19,854 INFO L413 NwaCegarLoop]: 1894 mSDtfsCounter, 21689 mSDsluCounter, 15671 mSDsCounter, 0 mSdLazyCounter, 89988 mSolverCounterSat, 25815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22437 SdHoareTripleChecker+Valid, 17565 SdHoareTripleChecker+Invalid, 115803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 25815 IncrementalHoareTripleChecker+Valid, 89988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:02:19,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22437 Valid, 17565 Invalid, 115803 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [25815 Valid, 89988 Invalid, 0 Unknown, 0 Unchecked, 128.7s Time] [2022-12-13 17:02:19,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226623 states. [2022-12-13 17:02:30,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226623 to 212092. [2022-12-13 17:02:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212092 states, 130120 states have (on average 1.290224408238549) internal successors, (167884), 133096 states have internal predecessors, (167884), 72225 states have call successors, (72225), 9497 states have call predecessors, (72225), 9746 states have return successors, (74977), 70720 states have call predecessors, (74977), 72224 states have call successors, (74977) [2022-12-13 17:02:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212092 states to 212092 states and 315086 transitions. [2022-12-13 17:02:32,209 INFO L78 Accepts]: Start accepts. Automaton has 212092 states and 315086 transitions. Word has length 223 [2022-12-13 17:02:32,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:02:32,210 INFO L495 AbstractCegarLoop]: Abstraction has 212092 states and 315086 transitions. [2022-12-13 17:02:32,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.916666666666667) internal successors, (166), 15 states have internal predecessors, (166), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) [2022-12-13 17:02:32,210 INFO L276 IsEmpty]: Start isEmpty. Operand 212092 states and 315086 transitions. [2022-12-13 17:02:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-12-13 17:02:32,243 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:02:32,243 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:02:32,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 17:02:32,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7379cc8-ee83-47fa-b6a0-f2a20655218e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:02:32,445 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:02:32,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:02:32,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2041253904, now seen corresponding path program 1 times [2022-12-13 17:02:32,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:02:32,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357676019] [2022-12-13 17:02:32,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:02:32,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:02:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:02:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:02:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:02:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:02:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 17:02:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:02:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 17:02:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:02:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:02:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:02:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:02:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 17:02:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 17:02:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:02:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:02:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 17:02:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 17:02:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 17:02:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:02:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 17:02:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 17:02:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 17:02:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:02:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-12-13 17:02:32,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:02:32,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357676019] [2022-12-13 17:02:32,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357676019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:02:32,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:02:32,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 17:02:32,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262376387] [2022-12-13 17:02:32,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:02:32,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 17:02:32,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:02:32,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 17:02:32,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:02:32,908 INFO L87 Difference]: Start difference. First operand 212092 states and 315086 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 17:02:37,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:03:15,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:03:15,589 INFO L93 Difference]: Finished difference Result 622582 states and 924042 transitions. [2022-12-13 17:03:15,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 17:03:15,589 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 232 [2022-12-13 17:03:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:03:17,961 INFO L225 Difference]: With dead ends: 622582 [2022-12-13 17:03:17,962 INFO L226 Difference]: Without dead ends: 410512 [2022-12-13 17:03:18,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-12-13 17:03:18,893 INFO L413 NwaCegarLoop]: 1127 mSDtfsCounter, 5430 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 7430 mSolverCounterSat, 5104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5874 SdHoareTripleChecker+Valid, 3282 SdHoareTripleChecker+Invalid, 12534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5104 IncrementalHoareTripleChecker+Valid, 7430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:03:18,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5874 Valid, 3282 Invalid, 12534 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5104 Valid, 7430 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2022-12-13 17:03:19,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410512 states. [2022-12-13 17:03:46,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410512 to 399979. [2022-12-13 17:03:46,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399979 states, 246471 states have (on average 1.2913324488479374) internal successors, (318276), 252953 states have internal predecessors, (318276), 133718 states have call successors, (133718), 18852 states have call predecessors, (133718), 19789 states have return successors, (139185), 130455 states have call predecessors, (139185), 133717 states have call successors, (139185) [2022-12-13 17:03:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399979 states to 399979 states and 591179 transitions. [2022-12-13 17:03:49,435 INFO L78 Accepts]: Start accepts. Automaton has 399979 states and 591179 transitions. Word has length 232 [2022-12-13 17:03:49,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:03:49,436 INFO L495 AbstractCegarLoop]: Abstraction has 399979 states and 591179 transitions. [2022-12-13 17:03:49,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 17:03:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 399979 states and 591179 transitions. [2022-12-13 17:03:49,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-12-13 17:03:49,455 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:03:49,456 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:03:49,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 17:03:49,456 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:03:49,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:49,456 INFO L85 PathProgramCache]: Analyzing trace with hash 663961465, now seen corresponding path program 1 times [2022-12-13 17:03:49,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:49,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300722900] [2022-12-13 17:03:49,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:49,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:03:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:03:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:03:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:03:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 17:03:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:03:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 17:03:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:03:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:03:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:03:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 17:03:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 17:03:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 17:03:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:03:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:03:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 17:03:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 17:03:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 17:03:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 17:03:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 17:03:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 17:03:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 17:03:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:03:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:49,770 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-12-13 17:03:49,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:03:49,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300722900] [2022-12-13 17:03:49,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300722900] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:03:49,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:03:49,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 17:03:49,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654240963] [2022-12-13 17:03:49,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:03:49,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 17:03:49,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:03:49,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 17:03:49,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:03:49,772 INFO L87 Difference]: Start difference. First operand 399979 states and 591179 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 17:04:04,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:04:05,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:04:06,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:04:08,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:04:36,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:04:36,672 INFO L93 Difference]: Finished difference Result 748661 states and 1104981 transitions. [2022-12-13 17:04:36,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:04:36,673 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 233 [2022-12-13 17:04:36,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:04:38,706 INFO L225 Difference]: With dead ends: 748661 [2022-12-13 17:04:38,706 INFO L226 Difference]: Without dead ends: 348704 [2022-12-13 17:04:40,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-12-13 17:04:40,335 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 3000 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 6501 mSolverCounterSat, 2615 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3195 SdHoareTripleChecker+Valid, 2715 SdHoareTripleChecker+Invalid, 9116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2615 IncrementalHoareTripleChecker+Valid, 6501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:04:40,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3195 Valid, 2715 Invalid, 9116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2615 Valid, 6501 Invalid, 0 Unknown, 0 Unchecked, 21.8s Time] [2022-12-13 17:04:40,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348704 states.