./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.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_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/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_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/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_a16a09aa-fc99-4c78-b13c-c830ba215ee4/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 275849fbaca37e76eea790df33e2de383489441cc01df773179ecf6c76094336 --- 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 17:02:52,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:02:52,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:02:52,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:02:52,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:02:52,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:02:52,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:02:52,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:02:52,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:02:52,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:02:52,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:02:52,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:02:52,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:02:52,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:02:52,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:02:52,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:02:52,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:02:52,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:02:52,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:02:52,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:02:52,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:02:52,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:02:52,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:02:52,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:02:52,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:02:52,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:02:52,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:02:52,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:02:52,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:02:52,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:02:52,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:02:52,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:02:52,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:02:52,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:02:52,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:02:52,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:02:52,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:02:52,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:02:52,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:02:52,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:02:52,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:02:52,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 17:02:52,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:02:52,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:02:52,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:02:52,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:02:52,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:02:52,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:02:52,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:02:52,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:02:52,800 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:02:52,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:02:52,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:02:52,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:02:52,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:02:52,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:02:52,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:02:52,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:02:52,801 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:02:52,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:02:52,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:02:52,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:02:52,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:02:52,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:02:52,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:02:52,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:02:52,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:02:52,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:02:52,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:02:52,803 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:02:52,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:02:52,803 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:02:52,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:02:52,804 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:02:52,804 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_a16a09aa-fc99-4c78-b13c-c830ba215ee4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275849fbaca37e76eea790df33e2de383489441cc01df773179ecf6c76094336 [2022-12-13 17:02:52,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:02:53,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:02:53,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:02:53,014 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:02:53,014 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:02:53,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i [2022-12-13 17:02:55,520 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:02:55,856 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:02:55,856 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i [2022-12-13 17:02:55,880 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/data/49e3d177e/f964abca200f4ecc873df0ae2cf74d30/FLAG04f4cb80e [2022-12-13 17:02:56,076 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/data/49e3d177e/f964abca200f4ecc873df0ae2cf74d30 [2022-12-13 17:02:56,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:02:56,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:02:56,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:02:56,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:02:56,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:02:56,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:02:56" (1/1) ... [2022-12-13 17:02:56,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15028400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:56, skipping insertion in model container [2022-12-13 17:02:56,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:02:56" (1/1) ... [2022-12-13 17:02:56,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:02:56,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:02:56,432 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 17:02:56,460 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:02:56,463 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:02:56,495 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 17:02:56,498 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 17:02:56,501 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:02:56,546 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 17:02:56,547 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-13 17:02:56,573 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 17:02:56,581 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-13 17:02:56,587 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-13 17:02:56,595 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 17:02:56,596 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 17:02:56,597 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 17:02:56,597 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 17:02:56,601 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 17:02:56,601 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 17:02:56,669 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 17:02:56,672 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 17:02:56,734 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-13 17:02:56,740 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 17:02:56,756 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:02:56,759 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,759 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,761 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:56,765 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:56,765 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:56,768 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:56,769 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,771 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,774 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,778 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,782 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:56,783 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,784 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,785 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:02:56,786 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 17:02:56,786 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:02:56,786 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,788 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,789 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,800 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,804 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,804 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:56,805 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,805 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,806 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:02:56,807 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 17:02:56,807 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:02:56,807 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,809 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,810 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,810 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,811 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,811 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,815 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,816 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:02:56,817 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 17:02:56,817 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:02:56,819 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:56,820 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,820 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,820 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,825 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,851 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:56,852 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:56,852 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:56,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,865 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:56,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,868 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 17:02:56,868 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 17:02:56,869 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:02:56,870 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:02:56,870 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:56,871 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:56,871 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:56,875 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 17:02:56,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,875 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-13 17:02:56,876 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-13 17:02:56,876 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,877 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:02:56,879 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:02:56,879 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:02:56,880 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:02:56,880 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:02:56,880 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:02:56,881 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:02:56,882 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:02:56,883 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:02:56,883 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:02:56,883 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:02:56,883 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:02:56,884 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:56,885 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:56,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,893 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:56,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:56,894 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:56,903 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:02:56,904 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,904 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,904 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 17:02:56,904 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,905 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 17:02:56,905 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,905 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 17:02:56,906 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,906 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,906 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,906 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,907 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,907 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,907 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,907 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,908 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:56,908 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 17:02:56,909 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-12-13 17:02:56,909 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 17:02:56,909 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-12-13 17:02:56,910 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 17:02:56,910 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 17:02:56,910 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-12-13 17:02:56,910 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 17:02:56,911 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 17:02:56,913 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_a16a09aa-fc99-4c78-b13c-c830ba215ee4/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i[158757,158770] [2022-12-13 17:02:56,924 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 17:02:56,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:02:56,955 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:02:56,993 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 17:02:56,994 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:02:56,995 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:02:56,996 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 17:02:56,996 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 17:02:56,996 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:02:56,999 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 17:02:56,999 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-13 17:02:57,002 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 17:02:57,004 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-13 17:02:57,006 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-13 17:02:57,006 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 17:02:57,007 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 17:02:57,007 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 17:02:57,007 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 17:02:57,008 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 17:02:57,008 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 17:02:57,012 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 17:02:57,013 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 17:02:57,025 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-13 17:02:57,027 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 17:02:57,033 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:02:57,034 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,035 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:57,036 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:57,036 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:57,037 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:57,039 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,040 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,041 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,044 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:57,045 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,045 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,046 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:02:57,046 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 17:02:57,046 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:02:57,047 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,048 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,048 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,049 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,050 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:57,051 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,051 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,052 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:02:57,052 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 17:02:57,052 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:02:57,053 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,053 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,054 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,054 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,054 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,055 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,056 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,057 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 17:02:57,057 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 17:02:57,058 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:02:57,058 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:57,059 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,059 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,059 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,061 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,072 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:57,073 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:57,073 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 17:02:57,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,081 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 17:02:57,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,082 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-13 17:02:57,082 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-13 17:02:57,083 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:02:57,083 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:02:57,084 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:57,084 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:57,085 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:57,096 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-13 17:02:57,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,096 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-13 17:02:57,097 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-13 17:02:57,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,097 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 17:02:57,098 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:02:57,099 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:02:57,099 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:02:57,100 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:02:57,100 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 17:02:57,100 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 17:02:57,102 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:02:57,102 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:02:57,102 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:02:57,103 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:02:57,103 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:02:57,104 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:57,105 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 17:02:57,106 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,106 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,109 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:02:57,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:02:57,110 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:02:57,110 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:02:57,111 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,111 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,111 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 17:02:57,112 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,112 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 17:02:57,112 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,112 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 17:02:57,113 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,113 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,113 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,113 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,114 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,114 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,114 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,114 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,115 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 17:02:57,115 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 17:02:57,116 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-12-13 17:02:57,116 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 17:02:57,117 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-12-13 17:02:57,117 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 17:02:57,117 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 17:02:57,118 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-12-13 17:02:57,118 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-13 17:02:57,118 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-13 17:02:57,119 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_a16a09aa-fc99-4c78-b13c-c830ba215ee4/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i[158757,158770] [2022-12-13 17:02:57,120 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 17:02:57,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:02:57,158 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:02:57,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57 WrapperNode [2022-12-13 17:02:57,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:02:57,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:02:57,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:02:57,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:02:57,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,260 INFO L138 Inliner]: procedures = 191, calls = 1267, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 3320 [2022-12-13 17:02:57,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:02:57,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:02:57,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:02:57,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:02:57,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:02:57,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:02:57,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:02:57,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:02:57,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (1/1) ... [2022-12-13 17:02:57,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:02:57,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:57,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:02:57,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:02:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2022-12-13 17:02:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2022-12-13 17:02:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-13 17:02:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-13 17:02:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 17:02:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 17:02:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 17:02:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 17:02:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 17:02:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:02:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2022-12-13 17:02:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2022-12-13 17:02:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2022-12-13 17:02:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2022-12-13 17:02:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 17:02:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 17:02:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2022-12-13 17:02:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2022-12-13 17:02:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2022-12-13 17:02:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2022-12-13 17:02:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-13 17:02:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-13 17:02:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 17:02:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 17:02:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2022-12-13 17:02:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2022-12-13 17:02:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2022-12-13 17:02:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2022-12-13 17:02:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2022-12-13 17:02:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2022-12-13 17:02:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-13 17:02:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-13 17:02:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2022-12-13 17:02:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2022-12-13 17:02:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2022-12-13 17:02:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2022-12-13 17:02:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-12-13 17:02:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-12-13 17:02:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:02:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 17:02:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 17:02:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 17:02:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 17:02:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2022-12-13 17:02:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2022-12-13 17:02:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2022-12-13 17:02:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2022-12-13 17:02:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2022-12-13 17:02:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2022-12-13 17:02:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-12-13 17:02:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-12-13 17:02:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 17:02:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 17:02:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2022-12-13 17:02:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2022-12-13 17:02:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 17:02:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-12-13 17:02:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2022-12-13 17:02:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2022-12-13 17:02:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-12-13 17:02:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 17:02:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 17:02:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2022-12-13 17:02:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2022-12-13 17:02:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-13 17:02:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-13 17:02:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:02:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-12-13 17:02:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-12-13 17:02:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2022-12-13 17:02:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2022-12-13 17:02:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:02:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 17:02:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 17:02:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 17:02:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 17:02:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2022-12-13 17:02:57,440 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2022-12-13 17:02:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2022-12-13 17:02:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2022-12-13 17:02:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 17:02:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-12-13 17:02:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-12-13 17:02:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2022-12-13 17:02:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2022-12-13 17:02:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2022-12-13 17:02:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2022-12-13 17:02:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 17:02:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 17:02:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 17:02:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 17:02:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 17:02:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 17:02:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-12-13 17:02:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-12-13 17:02:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 17:02:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 17:02:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-13 17:02:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-13 17:02:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2022-12-13 17:02:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2022-12-13 17:02:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:02:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 17:02:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-12-13 17:02:57,442 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-12-13 17:02:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 17:02:57,443 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 17:02:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-13 17:02:57,443 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-13 17:02:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 17:02:57,443 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 17:02:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2022-12-13 17:02:57,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2022-12-13 17:02:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-13 17:02:57,443 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-13 17:02:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-12-13 17:02:57,443 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-12-13 17:02:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 17:02:57,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 17:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 17:02:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 17:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2022-12-13 17:02:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2022-12-13 17:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2022-12-13 17:02:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2022-12-13 17:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 17:02:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 17:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 17:02:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 17:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2022-12-13 17:02:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2022-12-13 17:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 17:02:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 17:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2022-12-13 17:02:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2022-12-13 17:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-13 17:02:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-13 17:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-13 17:02:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-13 17:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 17:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-13 17:02:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-13 17:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-13 17:02:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-13 17:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:02:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 17:02:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 17:02:57,854 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:02:57,857 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:03:12,193 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:03:12,206 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:03:12,206 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 17:03:12,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:03:12 BoogieIcfgContainer [2022-12-13 17:03:12,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:03:12,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:03:12,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:03:12,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:03:12,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:02:56" (1/3) ... [2022-12-13 17:03:12,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b84869d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:03:12, skipping insertion in model container [2022-12-13 17:03:12,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:02:57" (2/3) ... [2022-12-13 17:03:12,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b84869d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:03:12, skipping insertion in model container [2022-12-13 17:03:12,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:03:12" (3/3) ... [2022-12-13 17:03:12,215 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i [2022-12-13 17:03:12,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:03:12,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:03:12,281 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:03:12,286 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;@2ebcb744, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:03:12,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:03:12,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 1217 states, 833 states have (on average 1.3769507803121248) internal successors, (1147), 873 states have internal predecessors, (1147), 317 states have call successors, (317), 65 states have call predecessors, (317), 65 states have return successors, (317), 314 states have call predecessors, (317), 317 states have call successors, (317) [2022-12-13 17:03:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 17:03:12,299 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:03:12,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:03:12,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:03:12,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:12,304 INFO L85 PathProgramCache]: Analyzing trace with hash 580392861, now seen corresponding path program 1 times [2022-12-13 17:03:12,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:12,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38594946] [2022-12-13 17:03:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:12,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:03:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:03:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:03:12,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:03:12,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38594946] [2022-12-13 17:03:12,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38594946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:03:12,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:03:12,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:03:12,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348458806] [2022-12-13 17:03:12,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:03:12,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:03:12,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:03:12,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:03:12,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:03:12,876 INFO L87 Difference]: Start difference. First operand has 1217 states, 833 states have (on average 1.3769507803121248) internal successors, (1147), 873 states have internal predecessors, (1147), 317 states have call successors, (317), 65 states have call predecessors, (317), 65 states have return successors, (317), 314 states have call predecessors, (317), 317 states have call successors, (317) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 17:03:14,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:03:20,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:03:20,289 INFO L93 Difference]: Finished difference Result 3902 states and 5886 transitions. [2022-12-13 17:03:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:03:20,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-12-13 17:03:20,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:03:20,317 INFO L225 Difference]: With dead ends: 3902 [2022-12-13 17:03:20,317 INFO L226 Difference]: Without dead ends: 2685 [2022-12-13 17:03:20,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:03:20,328 INFO L413 NwaCegarLoop]: 1559 mSDtfsCounter, 2827 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 889 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 3354 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:03:20,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3122 Valid, 3354 Invalid, 2615 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [889 Valid, 1725 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-12-13 17:03:20,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-12-13 17:03:20,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2208. [2022-12-13 17:03:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2208 states, 1494 states have (on average 1.3514056224899598) internal successors, (2019), 1552 states have internal predecessors, (2019), 593 states have call successors, (593), 122 states have call predecessors, (593), 120 states have return successors, (584), 577 states have call predecessors, (584), 584 states have call successors, (584) [2022-12-13 17:03:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 3196 transitions. [2022-12-13 17:03:20,464 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 3196 transitions. Word has length 17 [2022-12-13 17:03:20,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:03:20,465 INFO L495 AbstractCegarLoop]: Abstraction has 2208 states and 3196 transitions. [2022-12-13 17:03:20,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 17:03:20,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 3196 transitions. [2022-12-13 17:03:20,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 17:03:20,466 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:03:20,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:03:20,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:03:20,466 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:03:20,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:20,467 INFO L85 PathProgramCache]: Analyzing trace with hash 811272160, now seen corresponding path program 1 times [2022-12-13 17:03:20,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:20,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484843449] [2022-12-13 17:03:20,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:20,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:03:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:03:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:03:20,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:03:20,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484843449] [2022-12-13 17:03:20,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484843449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:03:20,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:03:20,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:03:20,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249021350] [2022-12-13 17:03:20,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:03:20,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:03:20,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:03:20,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:03:20,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:03:20,748 INFO L87 Difference]: Start difference. First operand 2208 states and 3196 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 17:03:22,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:03:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:03:28,318 INFO L93 Difference]: Finished difference Result 6408 states and 9483 transitions. [2022-12-13 17:03:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:03:28,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-12-13 17:03:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:03:28,343 INFO L225 Difference]: With dead ends: 6408 [2022-12-13 17:03:28,343 INFO L226 Difference]: Without dead ends: 5330 [2022-12-13 17:03:28,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:03:28,350 INFO L413 NwaCegarLoop]: 2255 mSDtfsCounter, 2391 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1959 mSolverCounterSat, 704 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2684 SdHoareTripleChecker+Valid, 4605 SdHoareTripleChecker+Invalid, 2664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 704 IncrementalHoareTripleChecker+Valid, 1959 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:03:28,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2684 Valid, 4605 Invalid, 2664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [704 Valid, 1959 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-12-13 17:03:28,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5330 states. [2022-12-13 17:03:28,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5330 to 4376. [2022-12-13 17:03:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4376 states, 2965 states have (on average 1.3517706576728499) internal successors, (4008), 3075 states have internal predecessors, (4008), 1171 states have call successors, (1171), 243 states have call predecessors, (1171), 239 states have return successors, (1159), 1145 states have call predecessors, (1159), 1159 states have call successors, (1159) [2022-12-13 17:03:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 4376 states and 6338 transitions. [2022-12-13 17:03:28,554 INFO L78 Accepts]: Start accepts. Automaton has 4376 states and 6338 transitions. Word has length 18 [2022-12-13 17:03:28,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:03:28,554 INFO L495 AbstractCegarLoop]: Abstraction has 4376 states and 6338 transitions. [2022-12-13 17:03:28,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 17:03:28,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4376 states and 6338 transitions. [2022-12-13 17:03:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 17:03:28,555 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:03:28,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:28,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:03:28,556 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:03:28,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:28,556 INFO L85 PathProgramCache]: Analyzing trace with hash -815307584, now seen corresponding path program 1 times [2022-12-13 17:03:28,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:28,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703107040] [2022-12-13 17:03:28,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:28,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:28,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:03:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:28,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:03:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 17:03:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:03:28,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:03:28,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703107040] [2022-12-13 17:03:28,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703107040] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:03:28,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:03:28,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:03:28,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088989215] [2022-12-13 17:03:28,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:03:28,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:03:28,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:03:28,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:03:28,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:03:28,828 INFO L87 Difference]: Start difference. First operand 4376 states and 6338 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 17:03:30,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:03:36,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:03:36,439 INFO L93 Difference]: Finished difference Result 11667 states and 17304 transitions. [2022-12-13 17:03:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:03:36,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2022-12-13 17:03:36,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:03:36,484 INFO L225 Difference]: With dead ends: 11667 [2022-12-13 17:03:36,484 INFO L226 Difference]: Without dead ends: 10574 [2022-12-13 17:03:36,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:03:36,493 INFO L413 NwaCegarLoop]: 2125 mSDtfsCounter, 2320 mSDsluCounter, 1866 mSDsCounter, 0 mSdLazyCounter, 1836 mSolverCounterSat, 849 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 3991 SdHoareTripleChecker+Invalid, 2686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 849 IncrementalHoareTripleChecker+Valid, 1836 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:03:36,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2611 Valid, 3991 Invalid, 2686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [849 Valid, 1836 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-12-13 17:03:36,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10574 states. [2022-12-13 17:03:36,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10574 to 7620. [2022-12-13 17:03:36,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7620 states, 5168 states have (on average 1.3517801857585139) internal successors, (6986), 5358 states have internal predecessors, (6986), 2033 states have call successors, (2033), 424 states have call predecessors, (2033), 418 states have return successors, (2019), 1991 states have call predecessors, (2019), 2019 states have call successors, (2019) [2022-12-13 17:03:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7620 states to 7620 states and 11038 transitions. [2022-12-13 17:03:36,803 INFO L78 Accepts]: Start accepts. Automaton has 7620 states and 11038 transitions. Word has length 36 [2022-12-13 17:03:36,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:03:36,803 INFO L495 AbstractCegarLoop]: Abstraction has 7620 states and 11038 transitions. [2022-12-13 17:03:36,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 17:03:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 7620 states and 11038 transitions. [2022-12-13 17:03:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 17:03:36,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:03:36,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:36,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:03:36,805 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:03:36,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:36,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1928055080, now seen corresponding path program 1 times [2022-12-13 17:03:36,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:36,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943756815] [2022-12-13 17:03:36,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:36,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:03:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:03:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:03:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:03:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:03:38,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:03:38,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943756815] [2022-12-13 17:03:38,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943756815] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:03:38,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:03:38,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 17:03:38,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987260503] [2022-12-13 17:03:38,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:03:38,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 17:03:38,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:03:38,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 17:03:38,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-12-13 17:03:38,667 INFO L87 Difference]: Start difference. First operand 7620 states and 11038 transitions. Second operand has 14 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 17:03:40,705 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 17:04:11,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:04:11,100 INFO L93 Difference]: Finished difference Result 21757 states and 32242 transitions. [2022-12-13 17:04:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 17:04:11,101 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2022-12-13 17:04:11,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:04:11,168 INFO L225 Difference]: With dead ends: 21757 [2022-12-13 17:04:11,168 INFO L226 Difference]: Without dead ends: 16386 [2022-12-13 17:04:11,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2022-12-13 17:04:11,184 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 3138 mSDsluCounter, 20862 mSDsCounter, 0 mSdLazyCounter, 13905 mSolverCounterSat, 1412 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 23108 SdHoareTripleChecker+Invalid, 15318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1412 IncrementalHoareTripleChecker+Valid, 13905 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:04:11,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3439 Valid, 23108 Invalid, 15318 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1412 Valid, 13905 Invalid, 1 Unknown, 0 Unchecked, 30.7s Time] [2022-12-13 17:04:11,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16386 states. [2022-12-13 17:04:11,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16386 to 10898. [2022-12-13 17:04:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10898 states, 7389 states have (on average 1.3513330626607118) internal successors, (9985), 7659 states have internal predecessors, (9985), 2905 states have call successors, (2905), 610 states have call predecessors, (2905), 603 states have return successors, (2893), 2848 states have call predecessors, (2893), 2890 states have call successors, (2893) [2022-12-13 17:04:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10898 states to 10898 states and 15783 transitions. [2022-12-13 17:04:11,751 INFO L78 Accepts]: Start accepts. Automaton has 10898 states and 15783 transitions. Word has length 38 [2022-12-13 17:04:11,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:04:11,751 INFO L495 AbstractCegarLoop]: Abstraction has 10898 states and 15783 transitions. [2022-12-13 17:04:11,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 17:04:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 10898 states and 15783 transitions. [2022-12-13 17:04:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 17:04:11,753 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:04:11,753 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 17:04:11,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:04:11,754 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:04:11,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:04:11,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1798313536, now seen corresponding path program 1 times [2022-12-13 17:04:11,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:04:11,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382433507] [2022-12-13 17:04:11,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:04:11,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:04:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:04:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:04:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:04:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:13,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 17:04:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 17:04:14,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:04:14,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382433507] [2022-12-13 17:04:14,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382433507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:04:14,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:04:14,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-13 17:04:14,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362540737] [2022-12-13 17:04:14,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:04:14,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 17:04:14,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:04:14,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 17:04:14,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2022-12-13 17:04:14,318 INFO L87 Difference]: Start difference. First operand 10898 states and 15783 transitions. Second operand has 16 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 12 states have internal predecessors, (34), 5 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 17:04:16,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:04:52,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:04:52,858 INFO L93 Difference]: Finished difference Result 17165 states and 25527 transitions. [2022-12-13 17:04:52,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 17:04:52,859 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 12 states have internal predecessors, (34), 5 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 45 [2022-12-13 17:04:52,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:04:52,911 INFO L225 Difference]: With dead ends: 17165 [2022-12-13 17:04:52,911 INFO L226 Difference]: Without dead ends: 16109 [2022-12-13 17:04:52,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=161, Invalid=1171, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 17:04:52,919 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 3938 mSDsluCounter, 18205 mSDsCounter, 0 mSdLazyCounter, 15011 mSolverCounterSat, 1684 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4225 SdHoareTripleChecker+Valid, 19929 SdHoareTripleChecker+Invalid, 16696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1684 IncrementalHoareTripleChecker+Valid, 15011 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:04:52,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4225 Valid, 19929 Invalid, 16696 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1684 Valid, 15011 Invalid, 1 Unknown, 0 Unchecked, 35.8s Time] [2022-12-13 17:04:52,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16109 states. [2022-12-13 17:04:53,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16109 to 9850. [2022-12-13 17:04:53,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9850 states, 6682 states have (on average 1.350344208320862) internal successors, (9023), 6926 states have internal predecessors, (9023), 2620 states have call successors, (2620), 554 states have call predecessors, (2620), 547 states have return successors, (2608), 2567 states have call predecessors, (2608), 2605 states have call successors, (2608) [2022-12-13 17:04:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9850 states to 9850 states and 14251 transitions. [2022-12-13 17:04:53,562 INFO L78 Accepts]: Start accepts. Automaton has 9850 states and 14251 transitions. Word has length 45 [2022-12-13 17:04:53,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:04:53,562 INFO L495 AbstractCegarLoop]: Abstraction has 9850 states and 14251 transitions. [2022-12-13 17:04:53,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 12 states have internal predecessors, (34), 5 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 17:04:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 9850 states and 14251 transitions. [2022-12-13 17:04:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 17:04:53,565 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:04:53,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:04:53,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:04:53,566 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:04:53,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:04:53,566 INFO L85 PathProgramCache]: Analyzing trace with hash -112180319, now seen corresponding path program 1 times [2022-12-13 17:04:53,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:04:53,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729490337] [2022-12-13 17:04:53,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:04:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:04:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:04:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:53,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:04:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:04:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:53,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:53,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:04:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 17:04:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:04:53,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:04:53,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729490337] [2022-12-13 17:04:53,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729490337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:04:53,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:04:53,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:04:53,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524727493] [2022-12-13 17:04:53,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:04:53,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:04:53,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:04:53,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:04:53,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:04:53,867 INFO L87 Difference]: Start difference. First operand 9850 states and 14251 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 17:04:55,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:04:57,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:05:04,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:05:04,363 INFO L93 Difference]: Finished difference Result 14562 states and 21637 transitions. [2022-12-13 17:05:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:05:04,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2022-12-13 17:05:04,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:05:04,414 INFO L225 Difference]: With dead ends: 14562 [2022-12-13 17:05:04,414 INFO L226 Difference]: Without dead ends: 14541 [2022-12-13 17:05:04,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:05:04,419 INFO L413 NwaCegarLoop]: 2190 mSDtfsCounter, 2440 mSDsluCounter, 2307 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 642 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2725 SdHoareTripleChecker+Valid, 4497 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:05:04,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2725 Valid, 4497 Invalid, 2720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [642 Valid, 2076 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-12-13 17:05:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14541 states. [2022-12-13 17:05:04,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14541 to 7710. [2022-12-13 17:05:04,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7710 states, 5234 states have (on average 1.3477264042797097) internal successors, (7054), 5426 states have internal predecessors, (7054), 2046 states have call successors, (2046), 436 states have call predecessors, (2046), 429 states have return successors, (2036), 2001 states have call predecessors, (2036), 2033 states have call successors, (2036) [2022-12-13 17:05:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7710 states to 7710 states and 11136 transitions. [2022-12-13 17:05:04,981 INFO L78 Accepts]: Start accepts. Automaton has 7710 states and 11136 transitions. Word has length 52 [2022-12-13 17:05:04,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:05:04,981 INFO L495 AbstractCegarLoop]: Abstraction has 7710 states and 11136 transitions. [2022-12-13 17:05:04,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 17:05:04,981 INFO L276 IsEmpty]: Start isEmpty. Operand 7710 states and 11136 transitions. [2022-12-13 17:05:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-13 17:05:04,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:05:04,983 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 17:05:04,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 17:05:04,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:05:04,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:05:04,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1687535675, now seen corresponding path program 1 times [2022-12-13 17:05:04,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:05:04,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72240672] [2022-12-13 17:05:04,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:05:04,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:05:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:05:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:05:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:05:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:05:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:05:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:05:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:05:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 17:05:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:05:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:05:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:05:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 17:05:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:05:06,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 17:05:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:05:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 17:05:06,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:05:06,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72240672] [2022-12-13 17:05:06,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72240672] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:05:06,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184951917] [2022-12-13 17:05:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:05:06,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:05:06,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:05:06,390 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:05:06,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 17:06:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:06:32,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 2107 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-13 17:06:32,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:06:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:06:33,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:06:33,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184951917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:06:33,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:06:33,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 20 [2022-12-13 17:06:33,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505938742] [2022-12-13 17:06:33,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:06:33,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 17:06:33,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:06:33,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 17:06:33,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2022-12-13 17:06:33,589 INFO L87 Difference]: Start difference. First operand 7710 states and 11136 transitions. Second operand has 11 states, 10 states have (on average 3.8) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 17:06:35,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:06:37,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:06:39,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:06:41,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:06:43,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:06:45,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:06:47,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:06:49,820 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 17:07:04,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:07:04,009 INFO L93 Difference]: Finished difference Result 10368 states and 15093 transitions. [2022-12-13 17:07:04,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 17:07:04,010 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 53 [2022-12-13 17:07:04,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:07:04,027 INFO L225 Difference]: With dead ends: 10368 [2022-12-13 17:07:04,027 INFO L226 Difference]: Without dead ends: 6047 [2022-12-13 17:07:04,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2022-12-13 17:07:04,037 INFO L413 NwaCegarLoop]: 1949 mSDtfsCounter, 2165 mSDsluCounter, 10648 mSDsCounter, 0 mSdLazyCounter, 5815 mSolverCounterSat, 122 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 12597 SdHoareTripleChecker+Invalid, 5945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 5815 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:07:04,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2286 Valid, 12597 Invalid, 5945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 5815 Invalid, 8 Unknown, 0 Unchecked, 29.2s Time] [2022-12-13 17:07:04,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6047 states. [2022-12-13 17:07:04,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6047 to 5504. [2022-12-13 17:07:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5504 states, 3733 states have (on average 1.347173854808465) internal successors, (5029), 3868 states have internal predecessors, (5029), 1462 states have call successors, (1462), 313 states have call predecessors, (1462), 308 states have return successors, (1458), 1432 states have call predecessors, (1458), 1455 states have call successors, (1458) [2022-12-13 17:07:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7949 transitions. [2022-12-13 17:07:04,469 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7949 transitions. Word has length 53 [2022-12-13 17:07:04,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:07:04,469 INFO L495 AbstractCegarLoop]: Abstraction has 5504 states and 7949 transitions. [2022-12-13 17:07:04,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 17:07:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7949 transitions. [2022-12-13 17:07:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-13 17:07:04,471 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:07:04,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:04,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:07:04,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16a09aa-fc99-4c78-b13c-c830ba215ee4/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:07:04,671 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:07:04,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:07:04,672 INFO L85 PathProgramCache]: Analyzing trace with hash 957836403, now seen corresponding path program 1 times [2022-12-13 17:07:04,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:07:04,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75271739] [2022-12-13 17:07:04,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:07:04,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:07:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:07:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:05,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:07:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:05,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:07:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:07:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:07:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 17:07:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 17:07:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:07:05,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:07:05,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75271739] [2022-12-13 17:07:05,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75271739] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:07:05,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:07:05,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 17:07:05,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231716183] [2022-12-13 17:07:05,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:07:05,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 17:07:05,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:07:05,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 17:07:05,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:07:05,082 INFO L87 Difference]: Start difference. First operand 5504 states and 7949 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:07:07,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:07:09,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:07:31,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:07:31,400 INFO L93 Difference]: Finished difference Result 8799 states and 13181 transitions. [2022-12-13 17:07:31,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 17:07:31,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2022-12-13 17:07:31,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:07:31,422 INFO L225 Difference]: With dead ends: 8799 [2022-12-13 17:07:31,422 INFO L226 Difference]: Without dead ends: 7723 [2022-12-13 17:07:31,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-13 17:07:31,427 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 3053 mSDsluCounter, 3912 mSDsCounter, 0 mSdLazyCounter, 8422 mSolverCounterSat, 1709 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 10133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1709 IncrementalHoareTripleChecker+Valid, 8422 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:07:31,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3288 Valid, 5191 Invalid, 10133 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1709 Valid, 8422 Invalid, 2 Unknown, 0 Unchecked, 25.0s Time] [2022-12-13 17:07:31,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7723 states. [2022-12-13 17:07:31,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7723 to 5493. [2022-12-13 17:07:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5493 states, 3727 states have (on average 1.346927823987121) internal successors, (5020), 3860 states have internal predecessors, (5020), 1457 states have call successors, (1457), 313 states have call predecessors, (1457), 308 states have return successors, (1454), 1429 states have call predecessors, (1454), 1451 states have call successors, (1454) [2022-12-13 17:07:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5493 states to 5493 states and 7931 transitions. [2022-12-13 17:07:31,913 INFO L78 Accepts]: Start accepts. Automaton has 5493 states and 7931 transitions. Word has length 64 [2022-12-13 17:07:31,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:07:31,913 INFO L495 AbstractCegarLoop]: Abstraction has 5493 states and 7931 transitions. [2022-12-13 17:07:31,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:07:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 5493 states and 7931 transitions. [2022-12-13 17:07:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-13 17:07:31,914 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:07:31,914 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 17:07:31,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:07:31,915 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:07:31,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:07:31,915 INFO L85 PathProgramCache]: Analyzing trace with hash 851306138, now seen corresponding path program 1 times [2022-12-13 17:07:31,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:07:31,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309448144] [2022-12-13 17:07:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:07:31,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:07:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:07:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:07:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:07:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:07:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:32,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:07:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 17:07:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 17:07:32,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:07:32,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309448144] [2022-12-13 17:07:32,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309448144] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:07:32,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:07:32,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 17:07:32,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514286182] [2022-12-13 17:07:32,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:07:32,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 17:07:32,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:07:32,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 17:07:32,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:07:32,234 INFO L87 Difference]: Start difference. First operand 5493 states and 7931 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 17:07:34,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:07:43,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:07:43,572 INFO L93 Difference]: Finished difference Result 7799 states and 11525 transitions. [2022-12-13 17:07:43,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 17:07:43,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2022-12-13 17:07:43,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:07:43,586 INFO L225 Difference]: With dead ends: 7799 [2022-12-13 17:07:43,586 INFO L226 Difference]: Without dead ends: 4652 [2022-12-13 17:07:43,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:07:43,593 INFO L413 NwaCegarLoop]: 1560 mSDtfsCounter, 1661 mSDsluCounter, 5028 mSDsCounter, 0 mSdLazyCounter, 3885 mSolverCounterSat, 960 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1856 SdHoareTripleChecker+Valid, 6588 SdHoareTripleChecker+Invalid, 4846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 960 IncrementalHoareTripleChecker+Valid, 3885 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:07:43,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1856 Valid, 6588 Invalid, 4846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [960 Valid, 3885 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2022-12-13 17:07:43,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4652 states. [2022-12-13 17:07:43,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 3414. [2022-12-13 17:07:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3414 states, 2322 states have (on average 1.3359173126614987) internal successors, (3102), 2403 states have internal predecessors, (3102), 893 states have call successors, (893), 203 states have call predecessors, (893), 198 states have return successors, (890), 873 states have call predecessors, (890), 887 states have call successors, (890) [2022-12-13 17:07:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 3414 states and 4885 transitions. [2022-12-13 17:07:43,942 INFO L78 Accepts]: Start accepts. Automaton has 3414 states and 4885 transitions. Word has length 63 [2022-12-13 17:07:43,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:07:43,943 INFO L495 AbstractCegarLoop]: Abstraction has 3414 states and 4885 transitions. [2022-12-13 17:07:43,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 17:07:43,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3414 states and 4885 transitions. [2022-12-13 17:07:43,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 17:07:43,944 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:07:43,944 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 17:07:43,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:07:43,944 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:07:43,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:07:43,945 INFO L85 PathProgramCache]: Analyzing trace with hash -527975831, now seen corresponding path program 1 times [2022-12-13 17:07:43,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:07:43,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139174886] [2022-12-13 17:07:43,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:07:43,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:07:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:07:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:07:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:07:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:07:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:07:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:44,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 17:07:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:07:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 17:07:44,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:07:44,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139174886] [2022-12-13 17:07:44,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139174886] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:07:44,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:07:44,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 17:07:44,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543800832] [2022-12-13 17:07:44,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:07:44,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 17:07:44,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:07:44,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 17:07:44,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:07:44,250 INFO L87 Difference]: Start difference. First operand 3414 states and 4885 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:07:46,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:07:54,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:07:54,373 INFO L93 Difference]: Finished difference Result 6270 states and 9164 transitions. [2022-12-13 17:07:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:07:54,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-12-13 17:07:54,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:07:54,384 INFO L225 Difference]: With dead ends: 6270 [2022-12-13 17:07:54,385 INFO L226 Difference]: Without dead ends: 4096 [2022-12-13 17:07:54,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:07:54,390 INFO L413 NwaCegarLoop]: 1667 mSDtfsCounter, 1554 mSDsluCounter, 5405 mSDsCounter, 0 mSdLazyCounter, 3461 mSolverCounterSat, 757 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1632 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 757 IncrementalHoareTripleChecker+Valid, 3461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:07:54,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 7072 Invalid, 4219 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [757 Valid, 3461 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-12-13 17:07:54,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2022-12-13 17:07:54,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 3371. [2022-12-13 17:07:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 2292 states have (on average 1.3368237347294938) internal successors, (3064), 2372 states have internal predecessors, (3064), 884 states have call successors, (884), 195 states have call predecessors, (884), 194 states have return successors, (882), 869 states have call predecessors, (882), 879 states have call successors, (882) [2022-12-13 17:07:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4830 transitions. [2022-12-13 17:07:54,761 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4830 transitions. Word has length 66 [2022-12-13 17:07:54,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:07:54,761 INFO L495 AbstractCegarLoop]: Abstraction has 3371 states and 4830 transitions. [2022-12-13 17:07:54,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:07:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4830 transitions. [2022-12-13 17:07:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-13 17:07:54,762 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:07:54,762 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 17:07:54,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 17:07:54,762 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:07:54,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:07:54,763 INFO L85 PathProgramCache]: Analyzing trace with hash 894652351, now seen corresponding path program 1 times [2022-12-13 17:07:54,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:07:54,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398118884] [2022-12-13 17:07:54,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:07:54,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:07:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:07:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:07:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:07:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:07:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:07:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 17:07:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:07:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 17:07:55,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:07:55,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398118884] [2022-12-13 17:07:55,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398118884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:07:55,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:07:55,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 17:07:55,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187788676] [2022-12-13 17:07:55,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:07:55,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 17:07:55,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:07:55,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 17:07:55,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:07:55,201 INFO L87 Difference]: Start difference. First operand 3371 states and 4830 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 17:07:57,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:08:08,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:08:08,070 INFO L93 Difference]: Finished difference Result 4080 states and 6005 transitions. [2022-12-13 17:08:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 17:08:08,070 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 65 [2022-12-13 17:08:08,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:08:08,081 INFO L225 Difference]: With dead ends: 4080 [2022-12-13 17:08:08,081 INFO L226 Difference]: Without dead ends: 4075 [2022-12-13 17:08:08,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-12-13 17:08:08,083 INFO L413 NwaCegarLoop]: 1662 mSDtfsCounter, 1970 mSDsluCounter, 7459 mSDsCounter, 0 mSdLazyCounter, 4673 mSolverCounterSat, 984 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2161 SdHoareTripleChecker+Valid, 9121 SdHoareTripleChecker+Invalid, 5658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 984 IncrementalHoareTripleChecker+Valid, 4673 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:08:08,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2161 Valid, 9121 Invalid, 5658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [984 Valid, 4673 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-12-13 17:08:08,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4075 states. [2022-12-13 17:08:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4075 to 3368. [2022-12-13 17:08:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3368 states, 2290 states have (on average 1.3366812227074236) internal successors, (3061), 2369 states have internal predecessors, (3061), 883 states have call successors, (883), 195 states have call predecessors, (883), 194 states have return successors, (882), 869 states have call predecessors, (882), 879 states have call successors, (882) [2022-12-13 17:08:08,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 4826 transitions. [2022-12-13 17:08:08,424 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 4826 transitions. Word has length 65 [2022-12-13 17:08:08,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:08:08,424 INFO L495 AbstractCegarLoop]: Abstraction has 3368 states and 4826 transitions. [2022-12-13 17:08:08,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 17:08:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 4826 transitions. [2022-12-13 17:08:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-13 17:08:08,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:08:08,425 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 17:08:08,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 17:08:08,426 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:08:08,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:08:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash -50147615, now seen corresponding path program 1 times [2022-12-13 17:08:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:08:08,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435058874] [2022-12-13 17:08:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:08:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:08:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:08:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:08:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:08:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:08:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:08:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 17:08:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:08:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:08:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 17:08:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 17:08:08,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:08:08,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435058874] [2022-12-13 17:08:08,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435058874] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:08:08,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:08:08,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 17:08:08,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795866519] [2022-12-13 17:08:08,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:08:08,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 17:08:08,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:08:08,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 17:08:08,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:08:08,845 INFO L87 Difference]: Start difference. First operand 3368 states and 4826 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 17:08:10,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:08:12,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:08:36,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:08:36,914 INFO L93 Difference]: Finished difference Result 4720 states and 6806 transitions. [2022-12-13 17:08:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 17:08:36,915 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 71 [2022-12-13 17:08:36,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:08:36,919 INFO L225 Difference]: With dead ends: 4720 [2022-12-13 17:08:36,919 INFO L226 Difference]: Without dead ends: 1458 [2022-12-13 17:08:36,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2022-12-13 17:08:36,926 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 1725 mSDsluCounter, 2701 mSDsCounter, 0 mSdLazyCounter, 10319 mSolverCounterSat, 742 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1852 SdHoareTripleChecker+Valid, 3195 SdHoareTripleChecker+Invalid, 11063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 742 IncrementalHoareTripleChecker+Valid, 10319 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:08:36,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1852 Valid, 3195 Invalid, 11063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [742 Valid, 10319 Invalid, 2 Unknown, 0 Unchecked, 27.3s Time] [2022-12-13 17:08:36,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-12-13 17:08:37,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1153. [2022-12-13 17:08:37,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 786 states have (on average 1.326972010178117) internal successors, (1043), 813 states have internal predecessors, (1043), 298 states have call successors, (298), 70 states have call predecessors, (298), 68 states have return successors, (294), 291 states have call predecessors, (294), 294 states have call successors, (294) [2022-12-13 17:08:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1635 transitions. [2022-12-13 17:08:37,047 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1635 transitions. Word has length 71 [2022-12-13 17:08:37,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:08:37,048 INFO L495 AbstractCegarLoop]: Abstraction has 1153 states and 1635 transitions. [2022-12-13 17:08:37,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-13 17:08:37,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1635 transitions. [2022-12-13 17:08:37,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 17:08:37,048 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:08:37,049 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 17:08:37,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 17:08:37,049 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:08:37,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:08:37,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1657204278, now seen corresponding path program 1 times [2022-12-13 17:08:37,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:08:37,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187003013] [2022-12-13 17:08:37,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:08:37,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:08:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:08:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:08:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:08:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:08:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:08:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:08:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 17:08:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 17:08:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 17:08:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 17:08:37,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:08:37,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187003013] [2022-12-13 17:08:37,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187003013] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:08:37,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:08:37,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:08:37,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141750155] [2022-12-13 17:08:37,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:08:37,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:08:37,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:08:37,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:08:37,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:08:37,312 INFO L87 Difference]: Start difference. First operand 1153 states and 1635 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 17:08:39,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:08:41,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:08:43,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:08:50,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:08:50,268 INFO L93 Difference]: Finished difference Result 1393 states and 2030 transitions. [2022-12-13 17:08:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 17:08:50,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-12-13 17:08:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:08:50,273 INFO L225 Difference]: With dead ends: 1393 [2022-12-13 17:08:50,273 INFO L226 Difference]: Without dead ends: 1358 [2022-12-13 17:08:50,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:08:50,274 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 2568 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 2300 mSolverCounterSat, 1368 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2681 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1368 IncrementalHoareTripleChecker+Valid, 2300 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:08:50,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2681 Valid, 996 Invalid, 3671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1368 Valid, 2300 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2022-12-13 17:08:50,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2022-12-13 17:08:50,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1120. [2022-12-13 17:08:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 764 states have (on average 1.3324607329842932) internal successors, (1018), 789 states have internal predecessors, (1018), 291 states have call successors, (291), 65 states have call predecessors, (291), 64 states have return successors, (290), 287 states have call predecessors, (290), 290 states have call successors, (290) [2022-12-13 17:08:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1599 transitions. [2022-12-13 17:08:50,405 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1599 transitions. Word has length 79 [2022-12-13 17:08:50,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:08:50,405 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1599 transitions. [2022-12-13 17:08:50,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 17:08:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1599 transitions. [2022-12-13 17:08:50,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 17:08:50,406 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:08:50,406 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 17:08:50,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 17:08:50,406 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:08:50,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:08:50,407 INFO L85 PathProgramCache]: Analyzing trace with hash -727208787, now seen corresponding path program 1 times [2022-12-13 17:08:50,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:08:50,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16123495] [2022-12-13 17:08:50,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:08:50,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:08:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:08:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:08:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 17:08:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:08:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 17:08:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:50,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:08:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 17:08:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 17:08:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:08:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 17:08:50,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:08:50,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16123495] [2022-12-13 17:08:50,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16123495] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:08:50,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:08:50,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:08:50,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732456629] [2022-12-13 17:08:50,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:08:50,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:08:50,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:08:50,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:08:50,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:08:50,574 INFO L87 Difference]: Start difference. First operand 1120 states and 1599 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:08:52,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:08:54,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:08:57,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:08:57,369 INFO L93 Difference]: Finished difference Result 1358 states and 1993 transitions. [2022-12-13 17:08:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:08:57,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 79 [2022-12-13 17:08:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:08:57,370 INFO L225 Difference]: With dead ends: 1358 [2022-12-13 17:08:57,370 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 17:08:57,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:08:57,373 INFO L413 NwaCegarLoop]: 1201 mSDtfsCounter, 2079 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2283 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:08:57,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2283 Valid, 1901 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [612 Valid, 743 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-12-13 17:08:57,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 17:08:57,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 17:08:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:08:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 17:08:57,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2022-12-13 17:08:57,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:08:57,374 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:08:57,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:08:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 17:08:57,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 17:08:57,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 17:08:57,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 17:08:57,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 17:09:09,787 WARN L233 SmtUtils]: Spent 12.30s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:09:21,710 WARN L233 SmtUtils]: Spent 11.92s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:09:34,120 WARN L233 SmtUtils]: Spent 12.32s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:09:45,598 WARN L233 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:09:57,558 WARN L233 SmtUtils]: Spent 11.92s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:10:09,483 WARN L233 SmtUtils]: Spent 11.92s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:10:21,006 WARN L233 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:10:32,462 WARN L233 SmtUtils]: Spent 11.45s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:10:44,214 WARN L233 SmtUtils]: Spent 11.71s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:10:55,845 WARN L233 SmtUtils]: Spent 11.63s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:11:07,644 WARN L233 SmtUtils]: Spent 11.79s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:11:19,272 WARN L233 SmtUtils]: Spent 11.63s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:11:30,734 WARN L233 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:11:42,199 WARN L233 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:11:53,767 WARN L233 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:12:05,250 WARN L233 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:12:16,822 WARN L233 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:12:28,283 WARN L233 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:12:39,805 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:12:51,286 WARN L233 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:13:02,764 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:13:14,232 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:13:25,726 WARN L233 SmtUtils]: Spent 11.49s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:13:37,228 WARN L233 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:13:48,717 WARN L233 SmtUtils]: Spent 11.49s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:14:00,238 WARN L233 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:14:11,706 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:14:23,217 WARN L233 SmtUtils]: Spent 11.49s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:14:34,674 WARN L233 SmtUtils]: Spent 11.45s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:14:46,162 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:14:57,639 WARN L233 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:15:09,141 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:15:20,596 WARN L233 SmtUtils]: Spent 11.45s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:15:32,072 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:15:43,497 WARN L233 SmtUtils]: Spent 11.42s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:15:54,955 WARN L233 SmtUtils]: Spent 11.45s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:16:06,393 WARN L233 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:16:17,915 WARN L233 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:16:29,381 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:16:40,927 WARN L233 SmtUtils]: Spent 11.43s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:16:52,417 WARN L233 SmtUtils]: Spent 11.49s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:17:03,870 WARN L233 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)