./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 38b53e6a 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_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/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_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-25 16:57:50,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:57:50,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:57:50,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:57:50,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:57:50,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:57:50,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:57:50,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:57:50,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:57:50,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:57:50,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:57:50,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:57:50,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:57:50,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:57:50,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:57:50,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:57:50,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:57:50,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:57:50,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:57:50,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:57:50,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:57:50,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:57:50,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:57:50,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:57:50,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:57:50,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:57:50,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:57:50,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:57:50,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:57:50,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:57:50,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:57:50,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:57:50,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:57:50,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:57:50,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:57:50,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:57:50,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:57:50,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:57:50,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:57:50,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:57:50,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:57:50,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 16:57:50,936 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:57:50,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:57:50,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:57:50,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:57:50,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:57:50,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:57:50,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:57:50,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:57:50,940 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:57:50,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:57:50,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:57:50,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:57:50,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:57:50,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:57:50,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:57:50,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:57:50,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:57:50,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:57:50,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:57:50,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:57:50,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:57:50,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:57:50,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:57:50,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:57:50,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:57:50,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:57:50,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:57:50,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:57:50,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:57:50,946 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:57:50,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:57:50,947 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_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275849fbaca37e76eea790df33e2de383489441cc01df773179ecf6c76094336 [2022-11-25 16:57:51,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:57:51,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:57:51,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:57:51,321 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:57:51,322 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:57:51,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i [2022-11-25 16:57:54,599 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:57:55,225 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:57:55,226 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i [2022-11-25 16:57:55,263 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/data/edd3b1655/53b3bbd94da44571b52e76880c0754fe/FLAG83449020c [2022-11-25 16:57:55,283 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/data/edd3b1655/53b3bbd94da44571b52e76880c0754fe [2022-11-25 16:57:55,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:57:55,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:57:55,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:57:55,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:57:55,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:57:55,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:55" (1/1) ... [2022-11-25 16:57:55,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bab02ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:55, skipping insertion in model container [2022-11-25 16:57:55,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:55" (1/1) ... [2022-11-25 16:57:55,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:57:55,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:57:56,094 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:57:56,145 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:56,152 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:56,213 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 16:57:56,218 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 16:57:56,229 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 16:57:56,315 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:57:56,320 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 16:57:56,381 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-11-25 16:57:56,393 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-25 16:57:56,401 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-25 16:57:56,412 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:56,413 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:56,414 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:56,415 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 16:57:56,420 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:56,420 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 16:57:56,521 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-25 16:57:56,526 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-25 16:57:56,620 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 16:57:56,631 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 16:57:56,657 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:56,663 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,666 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,668 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:56,675 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:56,676 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:56,682 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:56,684 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,685 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,686 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,692 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,693 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,699 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,706 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,707 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:56,708 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,710 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,712 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 16:57:56,714 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:57:56,714 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 16:57:56,715 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,718 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,719 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,722 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,722 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,729 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:56,730 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,732 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,733 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 16:57:56,734 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:57:56,735 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 16:57:56,736 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,739 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,740 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,740 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,742 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,743 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,743 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,749 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,751 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 16:57:56,752 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:57:56,753 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 16:57:56,758 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:56,758 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,759 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,760 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,767 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,775 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,776 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,821 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,822 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:56,822 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:56,823 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:56,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,844 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,851 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:56,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,857 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 16:57:56,857 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-25 16:57:56,858 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:57:56,859 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:57:56,860 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:56,862 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:56,863 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:56,870 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 16:57:56,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,872 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-25 16:57:56,873 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-25 16:57:56,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,875 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 16:57:56,878 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 16:57:56,879 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 16:57:56,880 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 16:57:56,880 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 16:57:56,881 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 16:57:56,882 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 16:57:56,885 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:56,886 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 16:57:56,887 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:57:56,887 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:57:56,888 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:57:56,890 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:56,892 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:56,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,909 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:56,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:56,912 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:56,933 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 16:57:56,933 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,934 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,935 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:56,935 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,936 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:56,936 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,937 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:56,938 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,938 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,939 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,939 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,940 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,940 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,941 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,941 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,942 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:56,943 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-11-25 16:57:56,944 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-25 16:57:56,944 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:57:56,945 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-25 16:57:56,946 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:57:56,946 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 16:57:56,947 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-25 16:57:56,948 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 16:57:56,948 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:57:56,953 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_b0f5dd1d-3d22-4801-9f6a-3678677b8555/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i[158757,158770] [2022-11-25 16:57:56,974 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-11-25 16:57:56,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:57:57,032 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:57:57,113 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:57:57,115 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:57,116 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:57,118 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 16:57:57,119 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 16:57:57,120 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 16:57:57,123 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:57:57,124 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 16:57:57,130 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-11-25 16:57:57,131 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-25 16:57:57,133 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-25 16:57:57,135 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:57,135 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:57,136 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:57,136 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 16:57:57,138 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:57,138 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 16:57:57,145 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-25 16:57:57,146 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-25 16:57:57,167 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 16:57:57,172 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 16:57:57,184 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:57,185 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,189 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:57,190 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:57,191 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:57,192 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:57,199 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,201 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,202 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,208 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:57,209 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,211 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,212 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 16:57:57,213 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:57:57,214 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 16:57:57,215 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,217 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,218 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,220 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,223 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:57,224 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,225 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,226 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 16:57:57,227 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:57:57,228 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 16:57:57,228 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,230 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,231 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,232 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,233 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,234 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,236 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,238 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 16:57:57,286 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:57:57,286 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 16:57:57,287 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:57,287 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,287 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,288 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,290 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,290 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,343 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:57,343 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:57,344 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:57,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,357 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 16:57:57,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,358 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 16:57:57,359 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-25 16:57:57,359 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:57:57,360 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:57:57,361 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:57,362 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:57,364 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:57,366 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 16:57:57,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,367 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-25 16:57:57,368 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-25 16:57:57,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,370 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 16:57:57,371 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 16:57:57,373 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 16:57:57,374 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 16:57:57,374 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 16:57:57,375 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 16:57:57,376 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 16:57:57,380 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:57,381 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 16:57:57,383 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:57:57,383 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:57:57,383 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:57:57,385 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:57,388 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:57,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,395 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,400 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,400 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,401 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:57,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:57,402 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:57,404 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 16:57:57,404 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,407 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,408 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:57,408 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,408 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:57,409 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,409 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:57,409 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,409 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,410 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,410 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,410 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,410 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,411 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,411 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,411 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 16:57:57,412 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-11-25 16:57:57,412 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-25 16:57:57,413 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:57:57,414 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-25 16:57:57,414 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:57:57,414 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 16:57:57,415 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-25 16:57:57,415 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-25 16:57:57,416 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:57:57,416 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_b0f5dd1d-3d22-4801-9f6a-3678677b8555/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i[158757,158770] [2022-11-25 16:57:57,418 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-11-25 16:57:57,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:57:57,483 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:57:57,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57 WrapperNode [2022-11-25 16:57:57,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:57:57,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:57:57,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:57:57,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:57:57,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:57,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:57,721 INFO L138 Inliner]: procedures = 191, calls = 1267, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 3320 [2022-11-25 16:57:57,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:57:57,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:57:57,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:57:57,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:57:57,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:57,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:57,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:57,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:57,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:58,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:58,026 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:58,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:58,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:57:58,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:57:58,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:57:58,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:57:58,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (1/1) ... [2022-11-25 16:57:58,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:57:58,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:57:58,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:57:58,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:57:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2022-11-25 16:57:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2022-11-25 16:57:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-25 16:57:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-25 16:57:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 16:57:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 16:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 16:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 16:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 16:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2022-11-25 16:57:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2022-11-25 16:57:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2022-11-25 16:57:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2022-11-25 16:57:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 16:57:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 16:57:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2022-11-25 16:57:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2022-11-25 16:57:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2022-11-25 16:57:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2022-11-25 16:57:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 16:57:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 16:57:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 16:57:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 16:57:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2022-11-25 16:57:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2022-11-25 16:57:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2022-11-25 16:57:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2022-11-25 16:57:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2022-11-25 16:57:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2022-11-25 16:57:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-25 16:57:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-25 16:57:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2022-11-25 16:57:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2022-11-25 16:57:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2022-11-25 16:57:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2022-11-25 16:57:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-25 16:57:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-25 16:57:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:57:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 16:57:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 16:57:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 16:57:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 16:57:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2022-11-25 16:57:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2022-11-25 16:57:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2022-11-25 16:57:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2022-11-25 16:57:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2022-11-25 16:57:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2022-11-25 16:57:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-25 16:57:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-25 16:57:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 16:57:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 16:57:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2022-11-25 16:57:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2022-11-25 16:57:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 16:57:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-25 16:57:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2022-11-25 16:57:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2022-11-25 16:57:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-25 16:57:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 16:57:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 16:57:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2022-11-25 16:57:58,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2022-11-25 16:57:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-25 16:57:58,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-25 16:57:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:57:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-25 16:57:58,218 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-25 16:57:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2022-11-25 16:57:58,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2022-11-25 16:57:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:57:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 16:57:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 16:57:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 16:57:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 16:57:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2022-11-25 16:57:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2022-11-25 16:57:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2022-11-25 16:57:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2022-11-25 16:57:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 16:57:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-25 16:57:58,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-25 16:57:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2022-11-25 16:57:58,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2022-11-25 16:57:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2022-11-25 16:57:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2022-11-25 16:57:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 16:57:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 16:57:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 16:57:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 16:57:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 16:57:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 16:57:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-25 16:57:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-25 16:57:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 16:57:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 16:57:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 16:57:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 16:57:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2022-11-25 16:57:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2022-11-25 16:57:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:57:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 16:57:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-25 16:57:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-25 16:57:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 16:57:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 16:57:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-25 16:57:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-25 16:57:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 16:57:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 16:57:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2022-11-25 16:57:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2022-11-25 16:57:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 16:57:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 16:57:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-25 16:57:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-25 16:57:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 16:57:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 16:57:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 16:57:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 16:57:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2022-11-25 16:57:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2022-11-25 16:57:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2022-11-25 16:57:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2022-11-25 16:57:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 16:57:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 16:57:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 16:57:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 16:57:58,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2022-11-25 16:57:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2022-11-25 16:57:58,232 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 16:57:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 16:57:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2022-11-25 16:57:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2022-11-25 16:57:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:57:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-25 16:57:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-25 16:57:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-25 16:57:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-25 16:57:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 16:57:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 16:57:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 16:57:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-25 16:57:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-25 16:57:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:57:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:57:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 16:57:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 16:57:58,973 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:57:58,980 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:58:18,609 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:58:18,626 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:58:18,626 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:58:18,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:18 BoogieIcfgContainer [2022-11-25 16:58:18,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:58:18,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:58:18,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:58:18,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:58:18,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:57:55" (1/3) ... [2022-11-25 16:58:18,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22440fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:58:18, skipping insertion in model container [2022-11-25 16:58:18,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:57" (2/3) ... [2022-11-25 16:58:18,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22440fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:58:18, skipping insertion in model container [2022-11-25 16:58:18,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:18" (3/3) ... [2022-11-25 16:58:18,640 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i [2022-11-25 16:58:18,660 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:58:18,660 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:58:18,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:58:18,749 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2cf12ce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:58:18,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:58:18,759 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) [2022-11-25 16:58:18,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 16:58:18,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:18,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:58:18,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:58:18,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:18,774 INFO L85 PathProgramCache]: Analyzing trace with hash 580392861, now seen corresponding path program 1 times [2022-11-25 16:58:18,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:18,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517718574] [2022-11-25 16:58:18,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:58:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 16:58:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:58:19,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:19,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517718574] [2022-11-25 16:58:19,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517718574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:19,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:19,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:58:19,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682738676] [2022-11-25 16:58:19,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:19,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:58:19,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:19,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:58:19,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:58:19,833 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) [2022-11-25 16:58:21,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:30,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:30,053 INFO L93 Difference]: Finished difference Result 3902 states and 5886 transitions. [2022-11-25 16:58:30,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:58:30,057 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 [2022-11-25 16:58:30,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:30,135 INFO L225 Difference]: With dead ends: 3902 [2022-11-25 16:58:30,135 INFO L226 Difference]: Without dead ends: 2685 [2022-11-25 16:58:30,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:58:30,167 INFO L413 NwaCegarLoop]: 1560 mSDtfsCounter, 2827 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 888 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 3356 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 888 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-25 16:58:30,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3122 Valid, 3356 Invalid, 2615 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [888 Valid, 1726 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2022-11-25 16:58:30,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-11-25 16:58:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2208. [2022-11-25 16:58:30,503 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) [2022-11-25 16:58:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 3196 transitions. [2022-11-25 16:58:30,533 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 3196 transitions. Word has length 17 [2022-11-25 16:58:30,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:30,534 INFO L495 AbstractCegarLoop]: Abstraction has 2208 states and 3196 transitions. [2022-11-25 16:58:30,535 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) [2022-11-25 16:58:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 3196 transitions. [2022-11-25 16:58:30,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 16:58:30,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:30,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:58:30,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:58:30,538 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:58:30,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:30,539 INFO L85 PathProgramCache]: Analyzing trace with hash 811272160, now seen corresponding path program 1 times [2022-11-25 16:58:30,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:30,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786743972] [2022-11-25 16:58:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:30,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:58:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 16:58:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:58:30,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:30,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786743972] [2022-11-25 16:58:30,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786743972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:30,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:30,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:58:30,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698298586] [2022-11-25 16:58:30,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:30,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:58:30,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:30,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:58:30,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:58:30,957 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) [2022-11-25 16:58:33,008 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 [] [2022-11-25 16:58:41,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:41,374 INFO L93 Difference]: Finished difference Result 6408 states and 9483 transitions. [2022-11-25 16:58:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:58:41,375 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 [2022-11-25 16:58:41,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:41,423 INFO L225 Difference]: With dead ends: 6408 [2022-11-25 16:58:41,423 INFO L226 Difference]: Without dead ends: 5330 [2022-11-25 16:58:41,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:58:41,434 INFO L413 NwaCegarLoop]: 2255 mSDtfsCounter, 2391 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 705 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2683 SdHoareTripleChecker+Valid, 4604 SdHoareTripleChecker+Invalid, 2664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-25 16:58:41,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2683 Valid, 4604 Invalid, 2664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [705 Valid, 1958 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-25 16:58:41,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5330 states. [2022-11-25 16:58:41,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5330 to 4376. [2022-11-25 16:58:41,707 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) [2022-11-25 16:58:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 4376 states and 6338 transitions. [2022-11-25 16:58:41,740 INFO L78 Accepts]: Start accepts. Automaton has 4376 states and 6338 transitions. Word has length 18 [2022-11-25 16:58:41,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:41,741 INFO L495 AbstractCegarLoop]: Abstraction has 4376 states and 6338 transitions. [2022-11-25 16:58:41,741 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) [2022-11-25 16:58:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand 4376 states and 6338 transitions. [2022-11-25 16:58:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-25 16:58:41,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:41,743 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] [2022-11-25 16:58:41,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:58:41,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:58:41,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:41,745 INFO L85 PathProgramCache]: Analyzing trace with hash -815307584, now seen corresponding path program 1 times [2022-11-25 16:58:41,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:41,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742715354] [2022-11-25 16:58:41,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:58:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:42,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 16:58:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 16:58:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:58:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:58:42,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:42,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742715354] [2022-11-25 16:58:42,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742715354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:42,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:42,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:58:42,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603759959] [2022-11-25 16:58:42,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:42,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:58:42,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:42,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:58:42,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:58:42,294 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) [2022-11-25 16:58:44,363 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 [] [2022-11-25 16:58:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:52,248 INFO L93 Difference]: Finished difference Result 11667 states and 17304 transitions. [2022-11-25 16:58:52,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:58:52,252 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 [2022-11-25 16:58:52,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:52,339 INFO L225 Difference]: With dead ends: 11667 [2022-11-25 16:58:52,340 INFO L226 Difference]: Without dead ends: 10574 [2022-11-25 16:58:52,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:58:52,354 INFO L413 NwaCegarLoop]: 2125 mSDtfsCounter, 2320 mSDsluCounter, 1867 mSDsCounter, 0 mSdLazyCounter, 1836 mSolverCounterSat, 849 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2612 SdHoareTripleChecker+Valid, 3992 SdHoareTripleChecker+Invalid, 2686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 849 IncrementalHoareTripleChecker+Valid, 1836 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-25 16:58:52,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2612 Valid, 3992 Invalid, 2686 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [849 Valid, 1836 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-11-25 16:58:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10574 states. [2022-11-25 16:58:52,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10574 to 7620. [2022-11-25 16:58:52,991 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) [2022-11-25 16:58:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7620 states to 7620 states and 11038 transitions. [2022-11-25 16:58:53,041 INFO L78 Accepts]: Start accepts. Automaton has 7620 states and 11038 transitions. Word has length 36 [2022-11-25 16:58:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:53,042 INFO L495 AbstractCegarLoop]: Abstraction has 7620 states and 11038 transitions. [2022-11-25 16:58:53,043 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) [2022-11-25 16:58:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 7620 states and 11038 transitions. [2022-11-25 16:58:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 16:58:53,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:53,049 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] [2022-11-25 16:58:53,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:58:53,049 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:58:53,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:53,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1928055080, now seen corresponding path program 1 times [2022-11-25 16:58:53,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:53,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967499954] [2022-11-25 16:58:53,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:53,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:55,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:58:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 16:58:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 16:58:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:58:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:58:56,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:56,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967499954] [2022-11-25 16:58:56,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967499954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:56,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:56,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-25 16:58:56,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011065224] [2022-11-25 16:58:56,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:56,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 16:58:56,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:56,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 16:58:56,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-11-25 16:58:56,800 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) [2022-11-25 16:58:58,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:59:35,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:59:35,105 INFO L93 Difference]: Finished difference Result 21757 states and 32242 transitions. [2022-11-25 16:59:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 16:59:35,106 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 [2022-11-25 16:59:35,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:59:35,221 INFO L225 Difference]: With dead ends: 21757 [2022-11-25 16:59:35,222 INFO L226 Difference]: Without dead ends: 16386 [2022-11-25 16:59:35,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2022-11-25 16:59:35,258 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 3138 mSDsluCounter, 20849 mSDsCounter, 0 mSdLazyCounter, 13905 mSolverCounterSat, 1412 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 SdHoareTripleChecker+Valid, 23094 SdHoareTripleChecker+Invalid, 15318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1412 IncrementalHoareTripleChecker+Valid, 13905 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2022-11-25 16:59:35,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3438 Valid, 23094 Invalid, 15318 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1412 Valid, 13905 Invalid, 1 Unknown, 0 Unchecked, 35.9s Time] [2022-11-25 16:59:35,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16386 states. [2022-11-25 16:59:36,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16386 to 10898. [2022-11-25 16:59:36,249 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) [2022-11-25 16:59:36,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10898 states to 10898 states and 15783 transitions. [2022-11-25 16:59:36,319 INFO L78 Accepts]: Start accepts. Automaton has 10898 states and 15783 transitions. Word has length 38 [2022-11-25 16:59:36,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:59:36,320 INFO L495 AbstractCegarLoop]: Abstraction has 10898 states and 15783 transitions. [2022-11-25 16:59:36,321 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) [2022-11-25 16:59:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 10898 states and 15783 transitions. [2022-11-25 16:59:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 16:59:36,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:59:36,330 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] [2022-11-25 16:59:36,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:59:36,330 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:59:36,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:59:36,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1798313536, now seen corresponding path program 1 times [2022-11-25 16:59:36,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:59:36,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099507847] [2022-11-25 16:59:36,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:59:36,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:59:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:59:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 16:59:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:59:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 16:59:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:59:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:59:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:59:40,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:59:40,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099507847] [2022-11-25 16:59:40,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099507847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:59:40,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:59:40,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-25 16:59:40,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365007810] [2022-11-25 16:59:40,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:59:40,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 16:59:40,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:59:40,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 16:59:40,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2022-11-25 16:59:40,966 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) [2022-11-25 16:59:43,018 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 [] [2022-11-25 17:00:24,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:00:24,001 INFO L93 Difference]: Finished difference Result 17165 states and 25527 transitions. [2022-11-25 17:00:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-25 17:00:24,002 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 [2022-11-25 17:00:24,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:00:24,101 INFO L225 Difference]: With dead ends: 17165 [2022-11-25 17:00:24,101 INFO L226 Difference]: Without dead ends: 16109 [2022-11-25 17:00:24,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=161, Invalid=1171, Unknown=0, NotChecked=0, Total=1332 [2022-11-25 17:00:24,116 INFO L413 NwaCegarLoop]: 1721 mSDtfsCounter, 3938 mSDsluCounter, 18165 mSDsCounter, 0 mSdLazyCounter, 15011 mSolverCounterSat, 1684 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 19886 SdHoareTripleChecker+Invalid, 16696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1684 IncrementalHoareTripleChecker+Valid, 15011 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:00:24,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4227 Valid, 19886 Invalid, 16696 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1684 Valid, 15011 Invalid, 1 Unknown, 0 Unchecked, 39.7s Time] [2022-11-25 17:00:24,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16109 states. [2022-11-25 17:00:25,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16109 to 9850. [2022-11-25 17:00:25,437 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) [2022-11-25 17:00:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9850 states to 9850 states and 14251 transitions. [2022-11-25 17:00:25,496 INFO L78 Accepts]: Start accepts. Automaton has 9850 states and 14251 transitions. Word has length 45 [2022-11-25 17:00:25,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:00:25,496 INFO L495 AbstractCegarLoop]: Abstraction has 9850 states and 14251 transitions. [2022-11-25 17:00:25,497 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) [2022-11-25 17:00:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 9850 states and 14251 transitions. [2022-11-25 17:00:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 17:00:25,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:25,499 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] [2022-11-25 17:00:25,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:00:25,499 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:00:25,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:25,500 INFO L85 PathProgramCache]: Analyzing trace with hash -112180319, now seen corresponding path program 1 times [2022-11-25 17:00:25,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:00:25,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897743054] [2022-11-25 17:00:25,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:25,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:00:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:00:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:00:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 17:00:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:00:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-25 17:00:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 17:00:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:00:26,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:00:26,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897743054] [2022-11-25 17:00:26,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897743054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:00:26,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:00:26,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:00:26,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385121582] [2022-11-25 17:00:26,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:00:26,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:00:26,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:00:26,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:00:26,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:00:26,096 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) [2022-11-25 17:00:28,145 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 [] [2022-11-25 17:00:30,183 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 [] [2022-11-25 17:00:38,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:00:38,758 INFO L93 Difference]: Finished difference Result 14562 states and 21637 transitions. [2022-11-25 17:00:38,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:00:38,759 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 [2022-11-25 17:00:38,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:00:38,857 INFO L225 Difference]: With dead ends: 14562 [2022-11-25 17:00:38,857 INFO L226 Difference]: Without dead ends: 14541 [2022-11-25 17:00:38,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:00:38,867 INFO L413 NwaCegarLoop]: 2190 mSDtfsCounter, 2440 mSDsluCounter, 2307 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 642 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2725 SdHoareTripleChecker+Valid, 4497 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:00:38,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2725 Valid, 4497 Invalid, 2720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [642 Valid, 2076 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2022-11-25 17:00:38,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14541 states. [2022-11-25 17:00:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14541 to 7710. [2022-11-25 17:00:40,036 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) [2022-11-25 17:00:40,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7710 states to 7710 states and 11136 transitions. [2022-11-25 17:00:40,082 INFO L78 Accepts]: Start accepts. Automaton has 7710 states and 11136 transitions. Word has length 52 [2022-11-25 17:00:40,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:00:40,082 INFO L495 AbstractCegarLoop]: Abstraction has 7710 states and 11136 transitions. [2022-11-25 17:00:40,083 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) [2022-11-25 17:00:40,083 INFO L276 IsEmpty]: Start isEmpty. Operand 7710 states and 11136 transitions. [2022-11-25 17:00:40,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 17:00:40,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:40,085 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] [2022-11-25 17:00:40,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:00:40,085 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:00:40,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:40,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1687535675, now seen corresponding path program 1 times [2022-11-25 17:00:40,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:00:40,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437872719] [2022-11-25 17:00:40,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:40,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:00:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:00:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:00:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:00:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:00:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:00:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:42,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:00:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:42,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:00:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:00:42,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:00:42,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437872719] [2022-11-25 17:00:42,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437872719] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:00:42,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296982977] [2022-11-25 17:00:42,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:42,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:00:42,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:00:42,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:00:42,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:02:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:37,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 2107 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-25 17:02:37,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:02:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:02:38,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:02:38,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296982977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:38,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:02:38,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 20 [2022-11-25 17:02:38,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676333755] [2022-11-25 17:02:38,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:38,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 17:02:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:02:38,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 17:02:38,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:02:38,703 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) [2022-11-25 17:02:40,744 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 [] [2022-11-25 17:02:42,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:44,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:46,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:48,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:50,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:52,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:54,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:03:10,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:03:10,176 INFO L93 Difference]: Finished difference Result 10368 states and 15093 transitions. [2022-11-25 17:03:10,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:03:10,178 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 [2022-11-25 17:03:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:03:10,205 INFO L225 Difference]: With dead ends: 10368 [2022-11-25 17:03:10,205 INFO L226 Difference]: Without dead ends: 6047 [2022-11-25 17:03:10,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2022-11-25 17:03:10,222 INFO L413 NwaCegarLoop]: 1949 mSDtfsCounter, 2165 mSDsluCounter, 10648 mSDsCounter, 0 mSdLazyCounter, 5815 mSolverCounterSat, 122 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s 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, 30.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:03:10,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2286 Valid, 12597 Invalid, 5945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 5815 Invalid, 8 Unknown, 0 Unchecked, 30.1s Time] [2022-11-25 17:03:10,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6047 states. [2022-11-25 17:03:11,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6047 to 5504. [2022-11-25 17:03:11,020 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) [2022-11-25 17:03:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7949 transitions. [2022-11-25 17:03:11,044 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7949 transitions. Word has length 53 [2022-11-25 17:03:11,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:03:11,045 INFO L495 AbstractCegarLoop]: Abstraction has 5504 states and 7949 transitions. [2022-11-25 17:03:11,045 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) [2022-11-25 17:03:11,045 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7949 transitions. [2022-11-25 17:03:11,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 17:03:11,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:03:11,047 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] [2022-11-25 17:03:11,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:03:11,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f5dd1d-3d22-4801-9f6a-3678677b8555/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:03:11,248 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:03:11,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:03:11,249 INFO L85 PathProgramCache]: Analyzing trace with hash 957836403, now seen corresponding path program 1 times [2022-11-25 17:03:11,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:03:11,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448251686] [2022-11-25 17:03:11,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:03:11,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:03:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:03:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:03:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 17:03:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-25 17:03:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:03:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:03:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:03:11,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:03:11,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448251686] [2022-11-25 17:03:11,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448251686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:03:11,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:03:11,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:03:11,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176267268] [2022-11-25 17:03:11,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:03:11,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:03:11,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:03:11,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:03:11,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:03:11,874 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) [2022-11-25 17:03:13,917 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 [] [2022-11-25 17:03:15,956 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 [] [2022-11-25 17:03:39,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:03:39,365 INFO L93 Difference]: Finished difference Result 8799 states and 13181 transitions. [2022-11-25 17:03:39,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:03:39,366 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 [2022-11-25 17:03:39,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:03:39,398 INFO L225 Difference]: With dead ends: 8799 [2022-11-25 17:03:39,399 INFO L226 Difference]: Without dead ends: 7723 [2022-11-25 17:03:39,405 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 [2022-11-25 17:03:39,406 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 3053 mSDsluCounter, 3912 mSDsCounter, 0 mSdLazyCounter, 8427 mSolverCounterSat, 1708 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 10137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1708 IncrementalHoareTripleChecker+Valid, 8427 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:03:39,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3288 Valid, 5191 Invalid, 10137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1708 Valid, 8427 Invalid, 2 Unknown, 0 Unchecked, 26.0s Time] [2022-11-25 17:03:39,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7723 states. [2022-11-25 17:03:40,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7723 to 5493. [2022-11-25 17:03:40,167 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) [2022-11-25 17:03:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5493 states to 5493 states and 7931 transitions. [2022-11-25 17:03:40,190 INFO L78 Accepts]: Start accepts. Automaton has 5493 states and 7931 transitions. Word has length 64 [2022-11-25 17:03:40,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:03:40,191 INFO L495 AbstractCegarLoop]: Abstraction has 5493 states and 7931 transitions. [2022-11-25 17:03:40,191 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) [2022-11-25 17:03:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 5493 states and 7931 transitions. [2022-11-25 17:03:40,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-25 17:03:40,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:03:40,192 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] [2022-11-25 17:03:40,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:03:40,193 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:03:40,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:03:40,193 INFO L85 PathProgramCache]: Analyzing trace with hash 851306138, now seen corresponding path program 1 times [2022-11-25 17:03:40,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:03:40,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465364825] [2022-11-25 17:03:40,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:03:40,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:03:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:03:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:03:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 17:03:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-25 17:03:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:03:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 17:03:40,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:03:40,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465364825] [2022-11-25 17:03:40,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465364825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:03:40,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:03:40,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:03:40,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265764100] [2022-11-25 17:03:40,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:03:40,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:03:40,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:03:40,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:03:40,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:03:40,721 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) [2022-11-25 17:03:42,761 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 [] [2022-11-25 17:03:53,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:03:53,056 INFO L93 Difference]: Finished difference Result 7799 states and 11525 transitions. [2022-11-25 17:03:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:03:53,057 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 [2022-11-25 17:03:53,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:03:53,074 INFO L225 Difference]: With dead ends: 7799 [2022-11-25 17:03:53,075 INFO L226 Difference]: Without dead ends: 4652 [2022-11-25 17:03:53,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:03:53,087 INFO L413 NwaCegarLoop]: 1560 mSDtfsCounter, 1661 mSDsluCounter, 5028 mSDsCounter, 0 mSdLazyCounter, 3885 mSolverCounterSat, 960 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s 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, 11.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:03:53,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1856 Valid, 6588 Invalid, 4846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [960 Valid, 3885 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-11-25 17:03:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4652 states. [2022-11-25 17:03:53,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 3414. [2022-11-25 17:03:53,552 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) [2022-11-25 17:03:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 3414 states and 4885 transitions. [2022-11-25 17:03:53,566 INFO L78 Accepts]: Start accepts. Automaton has 3414 states and 4885 transitions. Word has length 63 [2022-11-25 17:03:53,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:03:53,566 INFO L495 AbstractCegarLoop]: Abstraction has 3414 states and 4885 transitions. [2022-11-25 17:03:53,566 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) [2022-11-25 17:03:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3414 states and 4885 transitions. [2022-11-25 17:03:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 17:03:53,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:03:53,568 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] [2022-11-25 17:03:53,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 17:03:53,569 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:03:53,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:03:53,569 INFO L85 PathProgramCache]: Analyzing trace with hash -527975831, now seen corresponding path program 1 times [2022-11-25 17:03:53,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:03:53,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888080325] [2022-11-25 17:03:53,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:03:53,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:03:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:03:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:54,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:03:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 17:03:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:54,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-25 17:03:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:03:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:03:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 17:03:54,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:03:54,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888080325] [2022-11-25 17:03:54,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888080325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:03:54,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:03:54,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:03:54,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066614130] [2022-11-25 17:03:54,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:03:54,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:03:54,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:03:54,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:03:54,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:03:54,152 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) [2022-11-25 17:03:56,196 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 [] [2022-11-25 17:04:05,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:04:05,719 INFO L93 Difference]: Finished difference Result 6270 states and 9164 transitions. [2022-11-25 17:04:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:04:05,720 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 [2022-11-25 17:04:05,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:04:05,738 INFO L225 Difference]: With dead ends: 6270 [2022-11-25 17:04:05,738 INFO L226 Difference]: Without dead ends: 4096 [2022-11-25 17:04:05,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:04:05,748 INFO L413 NwaCegarLoop]: 1667 mSDtfsCounter, 1554 mSDsluCounter, 5405 mSDsCounter, 0 mSdLazyCounter, 3461 mSolverCounterSat, 757 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s 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, 10.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:04:05,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 7072 Invalid, 4219 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [757 Valid, 3461 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-11-25 17:04:05,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2022-11-25 17:04:06,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 3371. [2022-11-25 17:04:06,368 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) [2022-11-25 17:04:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4830 transitions. [2022-11-25 17:04:06,382 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4830 transitions. Word has length 66 [2022-11-25 17:04:06,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:04:06,384 INFO L495 AbstractCegarLoop]: Abstraction has 3371 states and 4830 transitions. [2022-11-25 17:04:06,384 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) [2022-11-25 17:04:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4830 transitions. [2022-11-25 17:04:06,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-25 17:04:06,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:04:06,386 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] [2022-11-25 17:04:06,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 17:04:06,386 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:04:06,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:04:06,387 INFO L85 PathProgramCache]: Analyzing trace with hash 894652351, now seen corresponding path program 1 times [2022-11-25 17:04:06,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:04:06,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929554346] [2022-11-25 17:04:06,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:04:06,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:04:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:06,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:04:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:07,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:04:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 17:04:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-25 17:04:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:04:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 17:04:07,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:04:07,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929554346] [2022-11-25 17:04:07,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929554346] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:04:07,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:04:07,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:04:07,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440044120] [2022-11-25 17:04:07,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:04:07,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:04:07,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:04:07,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:04:07,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:04:07,074 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) [2022-11-25 17:04:09,115 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 [] [2022-11-25 17:04:20,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:04:20,952 INFO L93 Difference]: Finished difference Result 4080 states and 6005 transitions. [2022-11-25 17:04:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:04:20,956 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 [2022-11-25 17:04:20,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:04:20,976 INFO L225 Difference]: With dead ends: 4080 [2022-11-25 17:04:20,976 INFO L226 Difference]: Without dead ends: 4075 [2022-11-25 17:04:20,979 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 [2022-11-25 17:04:20,980 INFO L413 NwaCegarLoop]: 1662 mSDtfsCounter, 1970 mSDsluCounter, 7459 mSDsCounter, 0 mSdLazyCounter, 4673 mSolverCounterSat, 984 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s 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, 12.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:04:20,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2161 Valid, 9121 Invalid, 5658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [984 Valid, 4673 Invalid, 1 Unknown, 0 Unchecked, 12.8s Time] [2022-11-25 17:04:20,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4075 states. [2022-11-25 17:04:21,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4075 to 3368. [2022-11-25 17:04:21,596 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) [2022-11-25 17:04:21,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 4826 transitions. [2022-11-25 17:04:21,606 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 4826 transitions. Word has length 65 [2022-11-25 17:04:21,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:04:21,606 INFO L495 AbstractCegarLoop]: Abstraction has 3368 states and 4826 transitions. [2022-11-25 17:04:21,606 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) [2022-11-25 17:04:21,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 4826 transitions. [2022-11-25 17:04:21,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-25 17:04:21,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:04:21,608 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] [2022-11-25 17:04:21,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 17:04:21,608 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:04:21,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:04:21,609 INFO L85 PathProgramCache]: Analyzing trace with hash -50147615, now seen corresponding path program 1 times [2022-11-25 17:04:21,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:04:21,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141378965] [2022-11-25 17:04:21,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:04:21,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:04:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:04:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:04:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 17:04:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-25 17:04:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 17:04:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:04:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:04:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 17:04:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:04:22,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:04:22,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141378965] [2022-11-25 17:04:22,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141378965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:04:22,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:04:22,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 17:04:22,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133858066] [2022-11-25 17:04:22,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:04:22,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 17:04:22,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:04:22,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 17:04:22,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:04:22,379 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) [2022-11-25 17:04:24,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:04:26,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:04:51,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:04:51,804 INFO L93 Difference]: Finished difference Result 4720 states and 6806 transitions. [2022-11-25 17:04:51,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 17:04:51,805 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 [2022-11-25 17:04:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:04:51,809 INFO L225 Difference]: With dead ends: 4720 [2022-11-25 17:04:51,809 INFO L226 Difference]: Without dead ends: 1458 [2022-11-25 17:04:51,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:04:51,819 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 1725 mSDsluCounter, 2701 mSDsCounter, 0 mSdLazyCounter, 10342 mSolverCounterSat, 741 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 3195 SdHoareTripleChecker+Invalid, 11085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 741 IncrementalHoareTripleChecker+Valid, 10342 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:04:51,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1850 Valid, 3195 Invalid, 11085 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [741 Valid, 10342 Invalid, 2 Unknown, 0 Unchecked, 28.6s Time] [2022-11-25 17:04:51,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-11-25 17:04:51,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1153. [2022-11-25 17:04:51,973 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) [2022-11-25 17:04:51,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1635 transitions. [2022-11-25 17:04:51,977 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1635 transitions. Word has length 71 [2022-11-25 17:04:51,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:04:51,977 INFO L495 AbstractCegarLoop]: Abstraction has 1153 states and 1635 transitions. [2022-11-25 17:04:51,977 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) [2022-11-25 17:04:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1635 transitions. [2022-11-25 17:04:51,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 17:04:51,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:04:51,979 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] [2022-11-25 17:04:51,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 17:04:51,979 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:04:51,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:04:51,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1657204278, now seen corresponding path program 1 times [2022-11-25 17:04:51,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:04:51,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252250567] [2022-11-25 17:04:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:04:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:04:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:04:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:04:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 17:04:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-25 17:04:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:04:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 17:04:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:04:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:04:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 17:04:52,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:04:52,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252250567] [2022-11-25 17:04:52,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252250567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:04:52,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:04:52,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:04:52,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142040643] [2022-11-25 17:04:52,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:04:52,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:04:52,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:04:52,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:04:52,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:04:52,438 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) [2022-11-25 17:04:54,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:04:56,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:04:58,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:05:06,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:06,323 INFO L93 Difference]: Finished difference Result 1393 states and 2030 transitions. [2022-11-25 17:05:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:05:06,324 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 [2022-11-25 17:05:06,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:06,328 INFO L225 Difference]: With dead ends: 1393 [2022-11-25 17:05:06,328 INFO L226 Difference]: Without dead ends: 1358 [2022-11-25 17:05:06,329 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 [2022-11-25 17:05:06,330 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 2568 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 1370 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2681 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1370 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:06,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2681 Valid, 996 Invalid, 3671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1370 Valid, 2298 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2022-11-25 17:05:06,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2022-11-25 17:05:06,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1120. [2022-11-25 17:05:06,528 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) [2022-11-25 17:05:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1599 transitions. [2022-11-25 17:05:06,533 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1599 transitions. Word has length 79 [2022-11-25 17:05:06,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:06,533 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1599 transitions. [2022-11-25 17:05:06,533 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) [2022-11-25 17:05:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1599 transitions. [2022-11-25 17:05:06,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 17:05:06,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:06,535 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] [2022-11-25 17:05:06,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 17:05:06,535 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:05:06,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:06,535 INFO L85 PathProgramCache]: Analyzing trace with hash -727208787, now seen corresponding path program 1 times [2022-11-25 17:05:06,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:06,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687699382] [2022-11-25 17:05:06,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:06,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:05:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:05:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:06,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-25 17:05:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:06,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-25 17:05:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:05:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:05:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:05:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 17:05:06,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:06,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687699382] [2022-11-25 17:05:06,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687699382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:06,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:06,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:05:06,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707064612] [2022-11-25 17:05:06,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:06,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:05:06,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:06,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:05:06,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:05:06,832 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) [2022-11-25 17:05:08,871 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 [] [2022-11-25 17:05:10,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:05:13,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:13,837 INFO L93 Difference]: Finished difference Result 1358 states and 1993 transitions. [2022-11-25 17:05:13,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:05:13,837 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 [2022-11-25 17:05:13,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:13,838 INFO L225 Difference]: With dead ends: 1358 [2022-11-25 17:05:13,838 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:05:13,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:05:13,841 INFO L413 NwaCegarLoop]: 1203 mSDtfsCounter, 2079 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 611 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 1905 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 611 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:13,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 1905 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [611 Valid, 744 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 17:05:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:05:13,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:05:13,842 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) [2022-11-25 17:05:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:05:13,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2022-11-25 17:05:13,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:13,843 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:05:13,843 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) [2022-11-25 17:05:13,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:05:13,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:05:13,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:05:13,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 17:05:13,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:05:26,665 WARN L233 SmtUtils]: Spent 12.51s 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) [2022-11-25 17:05:38,029 WARN L233 SmtUtils]: Spent 11.36s 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) [2022-11-25 17:05:49,630 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) [2022-11-25 17:06:01,119 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) [2022-11-25 17:06:12,727 WARN L233 SmtUtils]: Spent 11.58s 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) [2022-11-25 17:06:24,295 WARN L233 SmtUtils]: Spent 11.57s 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) [2022-11-25 17:06:35,854 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) [2022-11-25 17:06:47,371 WARN L233 SmtUtils]: Spent 11.52s 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) [2022-11-25 17:06:59,018 WARN L233 SmtUtils]: Spent 11.61s 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) [2022-11-25 17:07:10,557 WARN L233 SmtUtils]: Spent 11.54s 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) [2022-11-25 17:07:22,143 WARN L233 SmtUtils]: Spent 11.58s 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) [2022-11-25 17:07:33,766 WARN L233 SmtUtils]: Spent 11.57s 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) [2022-11-25 17:07:45,404 WARN L233 SmtUtils]: Spent 11.64s 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) [2022-11-25 17:07:57,140 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) [2022-11-25 17:08:08,896 WARN L233 SmtUtils]: Spent 11.75s 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) [2022-11-25 17:08:20,452 WARN L233 SmtUtils]: Spent 11.55s 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) [2022-11-25 17:08:32,001 WARN L233 SmtUtils]: Spent 11.55s 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) [2022-11-25 17:08:43,542 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) [2022-11-25 17:08:54,926 WARN L233 SmtUtils]: Spent 11.38s 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) [2022-11-25 17:09:06,609 WARN L233 SmtUtils]: Spent 11.61s 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) [2022-11-25 17:09:18,157 WARN L233 SmtUtils]: Spent 11.55s 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) [2022-11-25 17:09:29,923 WARN L233 SmtUtils]: Spent 11.76s 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) [2022-11-25 17:09:41,647 WARN L233 SmtUtils]: Spent 11.72s 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) [2022-11-25 17:09:53,259 WARN L233 SmtUtils]: Spent 11.55s 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) [2022-11-25 17:10:04,692 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) [2022-11-25 17:10:16,239 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) [2022-11-25 17:10:27,784 WARN L233 SmtUtils]: Spent 11.53s 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) [2022-11-25 17:10:39,351 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) [2022-11-25 17:10:51,037 WARN L233 SmtUtils]: Spent 11.68s 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) [2022-11-25 17:11:02,697 WARN L233 SmtUtils]: Spent 11.64s 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) [2022-11-25 17:11:14,316 WARN L233 SmtUtils]: Spent 11.62s 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) [2022-11-25 17:11:26,728 WARN L233 SmtUtils]: Spent 12.36s 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) [2022-11-25 17:11:41,643 WARN L233 SmtUtils]: Spent 14.91s 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) [2022-11-25 17:11:55,706 WARN L233 SmtUtils]: Spent 14.02s 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)