./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e37e45521ffb127b83b9baab443e42b7c078cf8a8451cb2a1813ac325e01717d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:42:00,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:42:00,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:42:00,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:42:00,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:42:00,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:42:00,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:42:00,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:42:00,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:42:00,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:42:00,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:42:00,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:42:00,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:42:00,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:42:00,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:42:00,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:42:00,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:42:00,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:42:00,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:42:00,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:42:00,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:42:00,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:42:00,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:42:00,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:42:00,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:42:00,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:42:00,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:42:00,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:42:00,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:42:00,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:42:00,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:42:00,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:42:00,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:42:00,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:42:00,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:42:00,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:42:00,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:42:00,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:42:00,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:42:00,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:42:00,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:42:00,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:42:00,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:42:00,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:42:00,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:42:00,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:42:00,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:42:00,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:42:00,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:42:00,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:42:00,917 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:42:00,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:42:00,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:42:00,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:42:00,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:42:00,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:42:00,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:42:00,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:42:00,919 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:42:00,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:42:00,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:42:00,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:42:00,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:42:00,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:42:00,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:42:00,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:42:00,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:42:00,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:42:00,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:42:00,921 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:42:00,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:42:00,921 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:42:00,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:42:00,922 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:42:00,922 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_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e37e45521ffb127b83b9baab443e42b7c078cf8a8451cb2a1813ac325e01717d [2022-12-13 13:42:01,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:42:01,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:42:01,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:42:01,141 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:42:01,141 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:42:01,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i [2022-12-13 13:42:03,789 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:42:04,284 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:42:04,285 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i [2022-12-13 13:42:04,333 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/data/395d7d58b/7d750672da37454d9ba2dce1e04d3b90/FLAG73d75219d [2022-12-13 13:42:04,346 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/data/395d7d58b/7d750672da37454d9ba2dce1e04d3b90 [2022-12-13 13:42:04,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:42:04,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:42:04,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:42:04,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:42:04,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:42:04,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:42:04" (1/1) ... [2022-12-13 13:42:04,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc1b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:04, skipping insertion in model container [2022-12-13 13:42:04,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:42:04" (1/1) ... [2022-12-13 13:42:04,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:42:04,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:42:05,005 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 13:42:05,145 WARN L623 FunctionHandler]: Unknown extern function drm_get_pci_dev [2022-12-13 13:42:05,152 WARN L623 FunctionHandler]: Unknown extern function drm_put_dev [2022-12-13 13:42:05,158 WARN L623 FunctionHandler]: Unknown extern function drm_kms_helper_poll_disable [2022-12-13 13:42:05,158 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 13:42:05,159 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-13 13:42:05,160 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-13 13:42:05,166 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_reset [2022-12-13 13:42:05,166 WARN L623 FunctionHandler]: Unknown extern function drm_helper_resume_force_mode [2022-12-13 13:42:05,167 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-13 13:42:05,167 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-13 13:42:05,172 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 13:42:05,173 WARN L623 FunctionHandler]: Unknown extern function drm_kms_helper_poll_enable [2022-12-13 13:42:05,179 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:42:05,179 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 13:42:05,214 WARN L623 FunctionHandler]: Unknown extern function vgacon_text_force [2022-12-13 13:42:05,216 WARN L623 FunctionHandler]: Unknown extern function drm_pci_init [2022-12-13 13:42:05,222 WARN L623 FunctionHandler]: Unknown extern function drm_pci_exit [2022-12-13 13:42:05,342 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_suspend_late_16 [2022-12-13 13:42:05,343 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_restore_early_16 [2022-12-13 13:42:05,343 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_resume_early_16 [2022-12-13 13:42:05,344 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_thaw_early_16 [2022-12-13 13:42:05,344 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_resume_noirq_16 [2022-12-13 13:42:05,344 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_freeze_noirq_16 [2022-12-13 13:42:05,345 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_prepare_16 [2022-12-13 13:42:05,345 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_freeze_late_16 [2022-12-13 13:42:05,346 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_thaw_noirq_16 [2022-12-13 13:42:05,346 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_poweroff_noirq_16 [2022-12-13 13:42:05,346 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_poweroff_late_16 [2022-12-13 13:42:05,347 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_restore_noirq_16 [2022-12-13 13:42:05,347 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_suspend_noirq_16 [2022-12-13 13:42:05,348 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_complete_16 [2022-12-13 13:42:05,351 WARN L623 FunctionHandler]: Unknown extern function drm_release [2022-12-13 13:42:05,352 WARN L623 FunctionHandler]: Unknown extern function drm_read [2022-12-13 13:42:05,352 WARN L623 FunctionHandler]: Unknown extern function drm_compat_ioctl [2022-12-13 13:42:05,353 WARN L623 FunctionHandler]: Unknown extern function drm_poll [2022-12-13 13:42:05,353 WARN L623 FunctionHandler]: Unknown extern function drm_poll [2022-12-13 13:42:05,354 WARN L623 FunctionHandler]: Unknown extern function drm_fasync [2022-12-13 13:42:05,354 WARN L623 FunctionHandler]: Unknown extern function drm_fasync [2022-12-13 13:42:05,354 WARN L623 FunctionHandler]: Unknown extern function drm_open [2022-12-13 13:42:05,355 WARN L623 FunctionHandler]: Unknown extern function drm_ioctl [2022-12-13 13:42:05,359 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,359 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,359 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,360 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:05,361 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,361 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,361 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,362 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,362 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,362 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,363 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,363 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,363 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,364 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,468 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:42:05,560 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 13:42:05,565 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 13:42:05,569 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 13:42:05,574 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 13:42:05,578 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 13:42:05,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:05,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:05,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:05,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:05,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:05,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:05,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:05,662 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_cleanup [2022-12-13 13:42:05,662 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:05,667 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_init [2022-12-13 13:42:05,667 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:05,667 WARN L623 FunctionHandler]: Unknown extern function drm_helper_mode_fill_fb_struct [2022-12-13 13:42:05,672 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-13 13:42:05,673 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:05,679 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 13:42:05,680 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 13:42:05,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:05,681 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_init [2022-12-13 13:42:05,683 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:05,683 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_cleanup [2022-12-13 13:42:05,684 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 13:42:05,684 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 13:42:05,684 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:05,685 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:05,687 WARN L623 FunctionHandler]: Unknown extern function drm_gem_handle_create [2022-12-13 13:42:05,687 WARN L623 FunctionHandler]: Unknown extern function drm_gem_handle_delete [2022-12-13 13:42:05,692 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_unref [2022-12-13 13:42:05,697 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-13 13:42:05,703 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_fb_funcs_probe_12 [2022-12-13 13:42:05,704 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,704 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,704 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,705 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:05,705 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,706 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,706 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,706 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,706 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,706 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,707 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,707 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,707 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:05,707 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:05,773 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 13:42:05,912 WARN L623 FunctionHandler]: Unknown extern function drm_mode_vrefresh [2022-12-13 13:42:05,986 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-13 13:42:05,986 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:05,997 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,032 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_cleanup [2022-12-13 13:42:06,032 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,039 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_init [2022-12-13 13:42:06,039 WARN L623 FunctionHandler]: Unknown extern function drm_mode_crtc_set_gamma_size [2022-12-13 13:42:06,045 WARN L623 FunctionHandler]: Unknown extern function drm_encoder_cleanup [2022-12-13 13:42:06,045 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,051 WARN L623 FunctionHandler]: Unknown extern function drm_mode_object_find [2022-12-13 13:42:06,085 WARN L623 FunctionHandler]: Unknown extern function drm_encoder_init [2022-12-13 13:42:06,091 WARN L623 FunctionHandler]: Unknown extern function drm_get_edid [2022-12-13 13:42:06,092 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_update_edid_property [2022-12-13 13:42:06,092 WARN L623 FunctionHandler]: Unknown extern function drm_add_edid_modes [2022-12-13 13:42:06,092 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,092 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_update_edid_property [2022-12-13 13:42:06,104 WARN L623 FunctionHandler]: Unknown extern function drm_sysfs_connector_remove [2022-12-13 13:42:06,104 WARN L623 FunctionHandler]: Unknown extern function drm_connector_cleanup [2022-12-13 13:42:06,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,115 WARN L623 FunctionHandler]: Unknown extern function drm_connector_init [2022-12-13 13:42:06,115 WARN L623 FunctionHandler]: Unknown extern function drm_sysfs_connector_add [2022-12-13 13:42:06,116 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_attach_encoder [2022-12-13 13:42:06,116 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,122 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-13 13:42:06,122 WARN L623 FunctionHandler]: Unknown extern function drm_ut_debug_printk [2022-12-13 13:42:06,127 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-13 13:42:06,145 WARN L623 FunctionHandler]: Unknown extern function i2c_bit_add_bus [2022-12-13 13:42:06,146 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,146 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-13 13:42:06,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,165 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-13 13:42:06,165 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,166 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-13 13:42:06,166 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,167 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,167 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-13 13:42:06,194 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_enc_funcs_probe_8 [2022-12-13 13:42:06,198 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_crtc_helper_funcs_release_10 [2022-12-13 13:42:06,198 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_crtc_helper_funcs_bind_10 [2022-12-13 13:42:06,198 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_crtc_helper_funcs_connect_10 [2022-12-13 13:42:06,200 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_helper_set_config [2022-12-13 13:42:06,200 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_helper_set_config [2022-12-13 13:42:06,200 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_crtc_funcs_probe_9 [2022-12-13 13:42:06,201 WARN L623 FunctionHandler]: Unknown extern function drm_helper_connector_dpms [2022-12-13 13:42:06,201 WARN L623 FunctionHandler]: Unknown extern function drm_helper_connector_dpms [2022-12-13 13:42:06,201 WARN L623 FunctionHandler]: Unknown extern function drm_helper_probe_single_connector_modes [2022-12-13 13:42:06,201 WARN L623 FunctionHandler]: Unknown extern function drm_helper_probe_single_connector_modes [2022-12-13 13:42:06,202 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_connector_funcs_probe_5 [2022-12-13 13:42:06,202 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,202 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,202 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,203 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:06,203 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,203 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,203 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,204 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,204 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,204 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,204 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,204 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,341 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,342 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-13 13:42:06,342 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,343 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-13 13:42:06,347 WARN L623 FunctionHandler]: Unknown extern function sys_fillrect [2022-12-13 13:42:06,352 WARN L623 FunctionHandler]: Unknown extern function sys_copyarea [2022-12-13 13:42:06,356 WARN L623 FunctionHandler]: Unknown extern function sys_imageblit [2022-12-13 13:42:06,361 WARN L623 FunctionHandler]: Unknown extern function drm_fb_get_bpp_depth [2022-12-13 13:42:06,366 WARN L623 FunctionHandler]: Unknown extern function drm_mode_legacy_fb_format [2022-12-13 13:42:06,366 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,367 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-13 13:42:06,367 WARN L623 FunctionHandler]: Unknown extern function framebuffer_alloc [2022-12-13 13:42:06,368 WARN L623 FunctionHandler]: Unknown extern function fb_alloc_cmap [2022-12-13 13:42:06,369 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fill_fix [2022-12-13 13:42:06,369 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fill_var [2022-12-13 13:42:06,369 WARN L623 FunctionHandler]: Unknown extern function drm_ut_debug_printk [2022-12-13 13:42:06,387 WARN L623 FunctionHandler]: Unknown extern function unregister_framebuffer [2022-12-13 13:42:06,387 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-13 13:42:06,387 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-13 13:42:06,388 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fini [2022-12-13 13:42:06,388 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 13:42:06,388 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_cleanup [2022-12-13 13:42:06,389 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_init [2022-12-13 13:42:06,389 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,389 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_single_add_all_connectors [2022-12-13 13:42:06,389 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_initial_config [2022-12-13 13:42:06,389 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,390 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-13 13:42:06,390 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_pan_display [2022-12-13 13:42:06,391 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_debug_enter [2022-12-13 13:42:06,391 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_setcmap [2022-12-13 13:42:06,391 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_set_par [2022-12-13 13:42:06,391 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_blank [2022-12-13 13:42:06,392 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_debug_leave [2022-12-13 13:42:06,392 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_check_var [2022-12-13 13:42:06,393 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,393 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,393 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,393 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:06,394 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,394 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,394 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,394 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,394 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,394 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,395 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,395 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,449 WARN L623 FunctionHandler]: Unknown extern function mtrr_add [2022-12-13 13:42:06,461 WARN L623 FunctionHandler]: Unknown extern function mtrr_del [2022-12-13 13:42:06,556 WARN L623 FunctionHandler]: Unknown extern function ttm_mem_global_init [2022-12-13 13:42:06,560 WARN L623 FunctionHandler]: Unknown extern function ttm_mem_global_release [2022-12-13 13:42:06,564 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_ref [2022-12-13 13:42:06,564 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,564 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_ref [2022-12-13 13:42:06,564 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,565 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-13 13:42:06,569 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-13 13:42:06,569 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-13 13:42:06,573 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_release [2022-12-13 13:42:06,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,581 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,601 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_move_memcpy [2022-12-13 13:42:06,605 WARN L623 FunctionHandler]: Unknown extern function ttm_tt_fini [2022-12-13 13:42:06,605 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,610 WARN L623 FunctionHandler]: Unknown extern function ttm_tt_init [2022-12-13 13:42:06,610 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,614 WARN L623 FunctionHandler]: Unknown extern function ttm_pool_populate [2022-12-13 13:42:06,618 WARN L623 FunctionHandler]: Unknown extern function ttm_pool_unpopulate [2022-12-13 13:42:06,618 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_device_init [2022-12-13 13:42:06,619 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,619 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_init_mm [2022-12-13 13:42:06,619 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,620 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_device_release [2022-12-13 13:42:06,622 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_reserve [2022-12-13 13:42:06,622 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,623 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_unreserve [2022-12-13 13:42:06,623 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_init [2022-12-13 13:42:06,623 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:06,624 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_dma_acc_size [2022-12-13 13:42:06,624 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_init [2022-12-13 13:42:06,629 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-13 13:42:06,630 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,630 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-13 13:42:06,631 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,631 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-13 13:42:06,631 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-13 13:42:06,632 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:06,632 WARN L623 FunctionHandler]: Unknown extern function drm_mmap [2022-12-13 13:42:06,633 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_mmap [2022-12-13 13:42:06,638 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_tt_backend_func_probe_2 [2022-12-13 13:42:06,639 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,639 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,639 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,639 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:06,639 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,640 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,640 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,640 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,640 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,640 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,640 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,641 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,693 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 13:42:06,698 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-13 13:42:06,749 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 13:42:06,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,815 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,816 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,816 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,816 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,817 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,831 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,831 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,832 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,833 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,833 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,833 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,834 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:06,836 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,836 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,837 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,837 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:06,837 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,837 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,838 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,838 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,838 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,838 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,838 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:06,839 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:06,843 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_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i[353005,353018] [2022-12-13 13:42:07,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:42:07,111 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:42:07,210 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-13 13:42:07,212 WARN L623 FunctionHandler]: Unknown extern function drm_get_pci_dev [2022-12-13 13:42:07,212 WARN L623 FunctionHandler]: Unknown extern function drm_put_dev [2022-12-13 13:42:07,213 WARN L623 FunctionHandler]: Unknown extern function drm_kms_helper_poll_disable [2022-12-13 13:42:07,213 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 13:42:07,213 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-13 13:42:07,214 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-13 13:42:07,214 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_reset [2022-12-13 13:42:07,214 WARN L623 FunctionHandler]: Unknown extern function drm_helper_resume_force_mode [2022-12-13 13:42:07,214 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-13 13:42:07,214 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-13 13:42:07,215 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 13:42:07,215 WARN L623 FunctionHandler]: Unknown extern function drm_kms_helper_poll_enable [2022-12-13 13:42:07,216 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 13:42:07,216 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 13:42:07,219 WARN L623 FunctionHandler]: Unknown extern function vgacon_text_force [2022-12-13 13:42:07,219 WARN L623 FunctionHandler]: Unknown extern function drm_pci_init [2022-12-13 13:42:07,220 WARN L623 FunctionHandler]: Unknown extern function drm_pci_exit [2022-12-13 13:42:07,222 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_suspend_late_16 [2022-12-13 13:42:07,223 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_restore_early_16 [2022-12-13 13:42:07,223 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_resume_early_16 [2022-12-13 13:42:07,223 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_thaw_early_16 [2022-12-13 13:42:07,223 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_resume_noirq_16 [2022-12-13 13:42:07,223 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_freeze_noirq_16 [2022-12-13 13:42:07,224 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_prepare_16 [2022-12-13 13:42:07,224 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_freeze_late_16 [2022-12-13 13:42:07,224 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_thaw_noirq_16 [2022-12-13 13:42:07,224 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_poweroff_noirq_16 [2022-12-13 13:42:07,224 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_poweroff_late_16 [2022-12-13 13:42:07,225 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_restore_noirq_16 [2022-12-13 13:42:07,225 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_suspend_noirq_16 [2022-12-13 13:42:07,225 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_pm_ops_complete_16 [2022-12-13 13:42:07,226 WARN L623 FunctionHandler]: Unknown extern function drm_release [2022-12-13 13:42:07,226 WARN L623 FunctionHandler]: Unknown extern function drm_read [2022-12-13 13:42:07,227 WARN L623 FunctionHandler]: Unknown extern function drm_compat_ioctl [2022-12-13 13:42:07,227 WARN L623 FunctionHandler]: Unknown extern function drm_poll [2022-12-13 13:42:07,227 WARN L623 FunctionHandler]: Unknown extern function drm_poll [2022-12-13 13:42:07,227 WARN L623 FunctionHandler]: Unknown extern function drm_fasync [2022-12-13 13:42:07,227 WARN L623 FunctionHandler]: Unknown extern function drm_fasync [2022-12-13 13:42:07,228 WARN L623 FunctionHandler]: Unknown extern function drm_open [2022-12-13 13:42:07,228 WARN L623 FunctionHandler]: Unknown extern function drm_ioctl [2022-12-13 13:42:07,229 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,230 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,230 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,230 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:07,231 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,231 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,231 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,231 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,231 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,231 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,232 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,232 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,232 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,232 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,233 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:42:07,241 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 13:42:07,242 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 13:42:07,243 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 13:42:07,243 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-13 13:42:07,243 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 13:42:07,246 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:07,246 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:07,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:07,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:07,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:07,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:07,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:07,253 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_cleanup [2022-12-13 13:42:07,253 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,253 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_init [2022-12-13 13:42:07,254 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,254 WARN L623 FunctionHandler]: Unknown extern function drm_helper_mode_fill_fb_struct [2022-12-13 13:42:07,254 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-13 13:42:07,255 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,256 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 13:42:07,257 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 13:42:07,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:42:07,258 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_init [2022-12-13 13:42:07,259 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,259 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_cleanup [2022-12-13 13:42:07,259 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 13:42:07,260 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 13:42:07,260 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,261 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,263 WARN L623 FunctionHandler]: Unknown extern function drm_gem_handle_create [2022-12-13 13:42:07,263 WARN L623 FunctionHandler]: Unknown extern function drm_gem_handle_delete [2022-12-13 13:42:07,264 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_unref [2022-12-13 13:42:07,265 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-13 13:42:07,266 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_fb_funcs_probe_12 [2022-12-13 13:42:07,267 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,267 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,267 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,268 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:07,268 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,268 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,268 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,268 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,269 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,269 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,269 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,269 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,269 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,269 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,270 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-13 13:42:07,282 WARN L623 FunctionHandler]: Unknown extern function drm_mode_vrefresh [2022-12-13 13:42:07,312 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-13 13:42:07,313 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,314 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,317 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_cleanup [2022-12-13 13:42:07,317 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,318 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_init [2022-12-13 13:42:07,318 WARN L623 FunctionHandler]: Unknown extern function drm_mode_crtc_set_gamma_size [2022-12-13 13:42:07,319 WARN L623 FunctionHandler]: Unknown extern function drm_encoder_cleanup [2022-12-13 13:42:07,319 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,319 WARN L623 FunctionHandler]: Unknown extern function drm_mode_object_find [2022-12-13 13:42:07,321 WARN L623 FunctionHandler]: Unknown extern function drm_encoder_init [2022-12-13 13:42:07,321 WARN L623 FunctionHandler]: Unknown extern function drm_get_edid [2022-12-13 13:42:07,322 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_update_edid_property [2022-12-13 13:42:07,322 WARN L623 FunctionHandler]: Unknown extern function drm_add_edid_modes [2022-12-13 13:42:07,322 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,322 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_update_edid_property [2022-12-13 13:42:07,323 WARN L623 FunctionHandler]: Unknown extern function drm_sysfs_connector_remove [2022-12-13 13:42:07,323 WARN L623 FunctionHandler]: Unknown extern function drm_connector_cleanup [2022-12-13 13:42:07,323 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,324 WARN L623 FunctionHandler]: Unknown extern function drm_connector_init [2022-12-13 13:42:07,324 WARN L623 FunctionHandler]: Unknown extern function drm_sysfs_connector_add [2022-12-13 13:42:07,324 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_attach_encoder [2022-12-13 13:42:07,325 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,326 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-13 13:42:07,326 WARN L623 FunctionHandler]: Unknown extern function drm_ut_debug_printk [2022-12-13 13:42:07,327 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-13 13:42:07,331 WARN L623 FunctionHandler]: Unknown extern function i2c_bit_add_bus [2022-12-13 13:42:07,331 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,331 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,332 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-13 13:42:07,332 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,337 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-13 13:42:07,337 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,338 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-13 13:42:07,338 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,338 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,339 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-13 13:42:07,342 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_enc_funcs_probe_8 [2022-12-13 13:42:07,345 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_crtc_helper_funcs_release_10 [2022-12-13 13:42:07,345 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_crtc_helper_funcs_bind_10 [2022-12-13 13:42:07,346 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_crtc_helper_funcs_connect_10 [2022-12-13 13:42:07,347 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_helper_set_config [2022-12-13 13:42:07,347 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_helper_set_config [2022-12-13 13:42:07,347 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_crtc_funcs_probe_9 [2022-12-13 13:42:07,348 WARN L623 FunctionHandler]: Unknown extern function drm_helper_connector_dpms [2022-12-13 13:42:07,348 WARN L623 FunctionHandler]: Unknown extern function drm_helper_connector_dpms [2022-12-13 13:42:07,349 WARN L623 FunctionHandler]: Unknown extern function drm_helper_probe_single_connector_modes [2022-12-13 13:42:07,349 WARN L623 FunctionHandler]: Unknown extern function drm_helper_probe_single_connector_modes [2022-12-13 13:42:07,349 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_connector_funcs_probe_5 [2022-12-13 13:42:07,349 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,349 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,350 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,350 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:07,350 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,350 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,350 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,351 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,351 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,351 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,351 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,351 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,356 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,357 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-13 13:42:07,357 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,358 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-13 13:42:07,358 WARN L623 FunctionHandler]: Unknown extern function sys_fillrect [2022-12-13 13:42:07,359 WARN L623 FunctionHandler]: Unknown extern function sys_copyarea [2022-12-13 13:42:07,359 WARN L623 FunctionHandler]: Unknown extern function sys_imageblit [2022-12-13 13:42:07,360 WARN L623 FunctionHandler]: Unknown extern function drm_fb_get_bpp_depth [2022-12-13 13:42:07,361 WARN L623 FunctionHandler]: Unknown extern function drm_mode_legacy_fb_format [2022-12-13 13:42:07,362 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,362 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-13 13:42:07,362 WARN L623 FunctionHandler]: Unknown extern function framebuffer_alloc [2022-12-13 13:42:07,363 WARN L623 FunctionHandler]: Unknown extern function fb_alloc_cmap [2022-12-13 13:42:07,364 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fill_fix [2022-12-13 13:42:07,364 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fill_var [2022-12-13 13:42:07,365 WARN L623 FunctionHandler]: Unknown extern function drm_ut_debug_printk [2022-12-13 13:42:07,367 WARN L623 FunctionHandler]: Unknown extern function unregister_framebuffer [2022-12-13 13:42:07,367 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-13 13:42:07,367 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-13 13:42:07,368 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fini [2022-12-13 13:42:07,368 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 13:42:07,368 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_cleanup [2022-12-13 13:42:07,374 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_init [2022-12-13 13:42:07,375 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,375 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_single_add_all_connectors [2022-12-13 13:42:07,375 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_initial_config [2022-12-13 13:42:07,381 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,382 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-13 13:42:07,385 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_pan_display [2022-12-13 13:42:07,386 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_debug_enter [2022-12-13 13:42:07,386 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_setcmap [2022-12-13 13:42:07,386 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_set_par [2022-12-13 13:42:07,387 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_blank [2022-12-13 13:42:07,387 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_debug_leave [2022-12-13 13:42:07,387 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_check_var [2022-12-13 13:42:07,388 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,388 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,389 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,389 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:07,389 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,389 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,390 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,391 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,391 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,391 WARN L623 FunctionHandler]: Unknown extern function mtrr_add [2022-12-13 13:42:07,392 WARN L623 FunctionHandler]: Unknown extern function mtrr_del [2022-12-13 13:42:07,393 WARN L623 FunctionHandler]: Unknown extern function ttm_mem_global_init [2022-12-13 13:42:07,393 WARN L623 FunctionHandler]: Unknown extern function ttm_mem_global_release [2022-12-13 13:42:07,394 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_ref [2022-12-13 13:42:07,394 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,394 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_ref [2022-12-13 13:42:07,395 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,395 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-13 13:42:07,395 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-13 13:42:07,396 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-13 13:42:07,396 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_release [2022-12-13 13:42:07,396 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,397 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,399 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_move_memcpy [2022-12-13 13:42:07,400 WARN L623 FunctionHandler]: Unknown extern function ttm_tt_fini [2022-12-13 13:42:07,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,400 WARN L623 FunctionHandler]: Unknown extern function ttm_tt_init [2022-12-13 13:42:07,401 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,401 WARN L623 FunctionHandler]: Unknown extern function ttm_pool_populate [2022-12-13 13:42:07,401 WARN L623 FunctionHandler]: Unknown extern function ttm_pool_unpopulate [2022-12-13 13:42:07,402 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_device_init [2022-12-13 13:42:07,402 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,402 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_init_mm [2022-12-13 13:42:07,403 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,404 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_device_release [2022-12-13 13:42:07,406 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_reserve [2022-12-13 13:42:07,406 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,406 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_unreserve [2022-12-13 13:42:07,407 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_init [2022-12-13 13:42:07,407 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:42:07,408 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_dma_acc_size [2022-12-13 13:42:07,409 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_init [2022-12-13 13:42:07,410 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-13 13:42:07,411 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,411 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-13 13:42:07,412 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,412 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-13 13:42:07,412 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-13 13:42:07,413 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-13 13:42:07,413 WARN L623 FunctionHandler]: Unknown extern function drm_mmap [2022-12-13 13:42:07,414 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_mmap [2022-12-13 13:42:07,415 WARN L623 FunctionHandler]: Unknown extern function ldv_ast_tt_backend_func_probe_2 [2022-12-13 13:42:07,415 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,415 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,416 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,416 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:07,416 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,416 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,416 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,416 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,416 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,417 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,417 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,417 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,417 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 13:42:07,419 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-13 13:42:07,426 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-13 13:42:07,450 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,451 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,451 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,452 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,453 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,453 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,453 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,454 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,461 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,462 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,463 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,463 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,464 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,464 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,464 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 13:42:07,477 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,478 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,478 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:42:07,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,479 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,479 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,479 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,479 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,479 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,479 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:42:07,480 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:42:07,480 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_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i[353005,353018] [2022-12-13 13:42:07,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:42:07,675 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:42:07,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07 WrapperNode [2022-12-13 13:42:07,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:42:07,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:42:07,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:42:07,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:42:07,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:07,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:07,925 INFO L138 Inliner]: procedures = 511, calls = 3849, calls flagged for inlining = 265, calls inlined = 264, statements flattened = 9568 [2022-12-13 13:42:07,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:42:07,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:42:07,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:42:07,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:42:07,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:07,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:07,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:07,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:08,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:08,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:08,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:08,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:08,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:42:08,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:42:08,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:42:08,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:42:08,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (1/1) ... [2022-12-13 13:42:08,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:42:08,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:42:08,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:42:08,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ca4b91-0a7e-4896-9e73-5411d0ed5db4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:42:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-12-13 13:42:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-12-13 13:42:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 13:42:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 13:42:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2022-12-13 13:42:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2022-12-13 13:42:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2022-12-13 13:42:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2022-12-13 13:42:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2022-12-13 13:42:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2022-12-13 13:42:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2022-12-13 13:42:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2022-12-13 13:42:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2022-12-13 13:42:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2022-12-13 13:42:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2022-12-13 13:42:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2022-12-13 13:42:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-13 13:42:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-13 13:42:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2022-12-13 13:42:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2022-12-13 13:42:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2022-12-13 13:42:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2022-12-13 13:42:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:42:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure moutdwm [2022-12-13 13:42:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure moutdwm [2022-12-13 13:42:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2022-12-13 13:42:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2022-12-13 13:42:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2022-12-13 13:42:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2022-12-13 13:42:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2022-12-13 13:42:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2022-12-13 13:42:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-12-13 13:42:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-12-13 13:42:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2022-12-13 13:42:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2022-12-13 13:42:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2022-12-13 13:42:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2022-12-13 13:42:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 13:42:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-12-13 13:42:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-12-13 13:42:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-12-13 13:42:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-12-13 13:42:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 13:42:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2022-12-13 13:42:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2022-12-13 13:42:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2022-12-13 13:42:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2022-12-13 13:42:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:42:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2022-12-13 13:42:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2022-12-13 13:42:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-12-13 13:42:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-12-13 13:42:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure mindwm [2022-12-13 13:42:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mindwm [2022-12-13 13:42:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2022-12-13 13:42:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2022-12-13 13:42:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-13 13:42:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-13 13:42:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_create_handle [2022-12-13 13:42:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_create_handle [2022-12-13 13:42:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:42:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:42:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2022-12-13 13:42:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2022-12-13 13:42:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 13:42:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 13:42:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2022-12-13 13:42:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2022-12-13 13:42:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:42:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 13:42:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 13:42:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2022-12-13 13:42:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2022-12-13 13:42:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2022-12-13 13:42:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2022-12-13 13:42:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2022-12-13 13:42:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2022-12-13 13:42:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-12-13 13:42:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-12-13 13:42:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2022-12-13 13:42:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2022-12-13 13:42:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2022-12-13 13:42:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2022-12-13 13:42:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 13:42:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 13:42:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:42:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:42:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-13 13:42:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-13 13:42:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 13:42:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 13:42:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2022-12-13 13:42:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2022-12-13 13:42:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2022-12-13 13:42:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2022-12-13 13:42:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2022-12-13 13:42:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2022-12-13 13:42:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2022-12-13 13:42:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2022-12-13 13:42:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2022-12-13 13:42:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2022-12-13 13:42:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 13:42:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 13:42:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 13:42:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 13:42:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2022-12-13 13:42:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2022-12-13 13:42:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2022-12-13 13:42:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2022-12-13 13:42:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-13 13:42:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-13 13:42:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2022-12-13 13:42:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2022-12-13 13:42:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2022-12-13 13:42:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2022-12-13 13:42:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2022-12-13 13:42:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:42:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2022-12-13 13:42:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2022-12-13 13:42:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 13:42:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 13:42:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2022-12-13 13:42:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2022-12-13 13:42:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-12-13 13:42:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-12-13 13:42:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2022-12-13 13:42:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2022-12-13 13:42:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2022-12-13 13:42:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2022-12-13 13:42:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2022-12-13 13:42:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2022-12-13 13:42:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2022-12-13 13:42:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2022-12-13 13:42:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2022-12-13 13:42:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2022-12-13 13:42:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2022-12-13 13:42:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2022-12-13 13:42:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2022-12-13 13:42:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2022-12-13 13:42:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2022-12-13 13:42:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2022-12-13 13:42:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2022-12-13 13:42:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2022-12-13 13:42:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2022-12-13 13:42:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2022-12-13 13:42:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2022-12-13 13:42:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2022-12-13 13:42:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 13:42:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 13:42:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:42:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2022-12-13 13:42:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2022-12-13 13:42:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2022-12-13 13:42:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2022-12-13 13:42:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 13:42:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 13:42:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fasync [2022-12-13 13:42:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fasync [2022-12-13 13:42:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-12-13 13:42:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-12-13 13:42:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2022-12-13 13:42:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2022-12-13 13:42:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2022-12-13 13:42:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2022-12-13 13:42:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-12-13 13:42:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-12-13 13:42:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2022-12-13 13:42:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2022-12-13 13:42:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-12-13 13:42:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-12-13 13:42:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2022-12-13 13:42:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2022-12-13 13:42:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2022-12-13 13:42:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2022-12-13 13:42:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_scan2 [2022-12-13 13:42:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_scan2 [2022-12-13 13:42:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-13 13:42:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-13 13:42:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2022-12-13 13:42:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2022-12-13 13:42:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2022-12-13 13:42:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2022-12-13 13:42:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2022-12-13 13:42:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2022-12-13 13:42:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:42:08,948 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:42:08,951 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:42:21,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ast_gem_init_object_returnLabel#1: main_#t~ret94#1 := ast_gem_init_object_#res#1;assume { :end_inline_ast_gem_init_object } true;assume -2147483648 <= main_#t~ret94#1 && main_#t~ret94#1 <= 2147483647;havoc main_#t~ret94#1;~ldv_state_variable_13~0 := 1; [2022-12-13 13:42:21,343 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:42:21,361 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:42:21,361 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 13:42:21,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:42:21 BoogieIcfgContainer [2022-12-13 13:42:21,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:42:21,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:42:21,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:42:21,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:42:21,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:42:04" (1/3) ... [2022-12-13 13:42:21,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39860012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:42:21, skipping insertion in model container [2022-12-13 13:42:21,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:42:07" (2/3) ... [2022-12-13 13:42:21,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39860012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:42:21, skipping insertion in model container [2022-12-13 13:42:21,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:42:21" (3/3) ... [2022-12-13 13:42:21,374 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--gpu--drm--ast--ast.ko-main.cil.out.i [2022-12-13 13:42:21,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:42:21,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:42:21,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:42:21,473 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;@5459ef84, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:42:21,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:42:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 2567 states, 1830 states have (on average 1.4382513661202185) internal successors, (2632), 1888 states have internal predecessors, (2632), 647 states have call successors, (647), 88 states have call predecessors, (647), 88 states have return successors, (647), 627 states have call predecessors, (647), 647 states have call successors, (647) [2022-12-13 13:42:21,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 13:42:21,493 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:21,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:21,494 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:21,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:21,497 INFO L85 PathProgramCache]: Analyzing trace with hash 337448765, now seen corresponding path program 1 times [2022-12-13 13:42:21,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:21,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771730700] [2022-12-13 13:42:21,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:21,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:22,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:22,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771730700] [2022-12-13 13:42:22,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771730700] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:22,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:22,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:22,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382341833] [2022-12-13 13:42:22,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:22,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:22,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:22,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:22,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:22,149 INFO L87 Difference]: Start difference. First operand has 2567 states, 1830 states have (on average 1.4382513661202185) internal successors, (2632), 1888 states have internal predecessors, (2632), 647 states have call successors, (647), 88 states have call predecessors, (647), 88 states have return successors, (647), 627 states have call predecessors, (647), 647 states have call successors, (647) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:22,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:22,526 INFO L93 Difference]: Finished difference Result 7664 states and 11853 transitions. [2022-12-13 13:42:22,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:22,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-13 13:42:22,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:22,555 INFO L225 Difference]: With dead ends: 7664 [2022-12-13 13:42:22,556 INFO L226 Difference]: Without dead ends: 5094 [2022-12-13 13:42:22,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:22,569 INFO L413 NwaCegarLoop]: 4713 mSDtfsCounter, 3868 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 8605 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:22,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3868 Valid, 8605 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:22,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5094 states. [2022-12-13 13:42:22,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5094 to 5088. [2022-12-13 13:42:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5088 states, 3630 states have (on average 1.4358126721763085) internal successors, (5212), 3732 states have internal predecessors, (5212), 1283 states have call successors, (1283), 175 states have call predecessors, (1283), 174 states have return successors, (1272), 1232 states have call predecessors, (1272), 1272 states have call successors, (1272) [2022-12-13 13:42:22,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5088 states to 5088 states and 7767 transitions. [2022-12-13 13:42:22,927 INFO L78 Accepts]: Start accepts. Automaton has 5088 states and 7767 transitions. Word has length 18 [2022-12-13 13:42:22,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:22,927 INFO L495 AbstractCegarLoop]: Abstraction has 5088 states and 7767 transitions. [2022-12-13 13:42:22,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5088 states and 7767 transitions. [2022-12-13 13:42:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 13:42:22,930 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:22,930 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] [2022-12-13 13:42:22,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:42:22,930 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:22,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:22,931 INFO L85 PathProgramCache]: Analyzing trace with hash 392291437, now seen corresponding path program 1 times [2022-12-13 13:42:22,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:22,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429582823] [2022-12-13 13:42:22,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:22,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:23,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:23,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429582823] [2022-12-13 13:42:23,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429582823] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:23,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:23,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:23,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660856010] [2022-12-13 13:42:23,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:23,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:23,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:23,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:23,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:23,289 INFO L87 Difference]: Start difference. First operand 5088 states and 7767 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:23,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:23,766 INFO L93 Difference]: Finished difference Result 14687 states and 22443 transitions. [2022-12-13 13:42:23,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:23,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-13 13:42:23,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:23,808 INFO L225 Difference]: With dead ends: 14687 [2022-12-13 13:42:23,808 INFO L226 Difference]: Without dead ends: 9602 [2022-12-13 13:42:23,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:23,829 INFO L413 NwaCegarLoop]: 4555 mSDtfsCounter, 3468 mSDsluCounter, 3880 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 8435 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:23,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 8435 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:23,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9602 states. [2022-12-13 13:42:24,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9602 to 9579. [2022-12-13 13:42:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9579 states, 6795 states have (on average 1.4384105960264901) internal successors, (9774), 6987 states have internal predecessors, (9774), 2443 states have call successors, (2443), 341 states have call predecessors, (2443), 340 states have return successors, (2432), 2352 states have call predecessors, (2432), 2432 states have call successors, (2432) [2022-12-13 13:42:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9579 states to 9579 states and 14649 transitions. [2022-12-13 13:42:24,353 INFO L78 Accepts]: Start accepts. Automaton has 9579 states and 14649 transitions. Word has length 23 [2022-12-13 13:42:24,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:24,353 INFO L495 AbstractCegarLoop]: Abstraction has 9579 states and 14649 transitions. [2022-12-13 13:42:24,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:24,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9579 states and 14649 transitions. [2022-12-13 13:42:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 13:42:24,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:24,355 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] [2022-12-13 13:42:24,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:42:24,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:24,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:24,356 INFO L85 PathProgramCache]: Analyzing trace with hash -541463186, now seen corresponding path program 1 times [2022-12-13 13:42:24,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:24,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229239110] [2022-12-13 13:42:24,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:24,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:24,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:24,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229239110] [2022-12-13 13:42:24,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229239110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:24,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:24,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:42:24,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399358889] [2022-12-13 13:42:24,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:24,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:42:24,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:24,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:42:24,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:42:24,758 INFO L87 Difference]: Start difference. First operand 9579 states and 14649 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:25,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:25,282 INFO L93 Difference]: Finished difference Result 19178 states and 29327 transitions. [2022-12-13 13:42:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:42:25,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-12-13 13:42:25,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:25,320 INFO L225 Difference]: With dead ends: 19178 [2022-12-13 13:42:25,320 INFO L226 Difference]: Without dead ends: 9602 [2022-12-13 13:42:25,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:42:25,352 INFO L413 NwaCegarLoop]: 3902 mSDtfsCounter, 34 mSDsluCounter, 7799 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 11701 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:25,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 11701 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:25,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9602 states. [2022-12-13 13:42:25,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9602 to 9582. [2022-12-13 13:42:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9582 states, 6798 states have (on average 1.4382171226831422) internal successors, (9777), 6990 states have internal predecessors, (9777), 2443 states have call successors, (2443), 341 states have call predecessors, (2443), 340 states have return successors, (2432), 2352 states have call predecessors, (2432), 2432 states have call successors, (2432) [2022-12-13 13:42:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9582 states to 9582 states and 14652 transitions. [2022-12-13 13:42:25,838 INFO L78 Accepts]: Start accepts. Automaton has 9582 states and 14652 transitions. Word has length 22 [2022-12-13 13:42:25,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:25,838 INFO L495 AbstractCegarLoop]: Abstraction has 9582 states and 14652 transitions. [2022-12-13 13:42:25,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 9582 states and 14652 transitions. [2022-12-13 13:42:25,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 13:42:25,840 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:25,840 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] [2022-12-13 13:42:25,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:42:25,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:25,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash -484204884, now seen corresponding path program 1 times [2022-12-13 13:42:25,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:25,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872783182] [2022-12-13 13:42:25,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:25,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:26,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:26,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872783182] [2022-12-13 13:42:26,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872783182] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:26,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:26,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:26,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595301568] [2022-12-13 13:42:26,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:26,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:26,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:26,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:26,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:26,239 INFO L87 Difference]: Start difference. First operand 9582 states and 14652 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:26,585 INFO L93 Difference]: Finished difference Result 9584 states and 14653 transitions. [2022-12-13 13:42:26,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:26,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-12-13 13:42:26,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:26,635 INFO L225 Difference]: With dead ends: 9584 [2022-12-13 13:42:26,635 INFO L226 Difference]: Without dead ends: 9581 [2022-12-13 13:42:26,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:26,642 INFO L413 NwaCegarLoop]: 3902 mSDtfsCounter, 3884 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3884 SdHoareTripleChecker+Valid, 3902 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:26,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3884 Valid, 3902 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:26,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9581 states. [2022-12-13 13:42:27,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9581 to 9581. [2022-12-13 13:42:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9581 states, 6798 states have (on average 1.4380700205942925) internal successors, (9776), 6989 states have internal predecessors, (9776), 2442 states have call successors, (2442), 341 states have call predecessors, (2442), 340 states have return successors, (2432), 2352 states have call predecessors, (2432), 2432 states have call successors, (2432) [2022-12-13 13:42:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9581 states to 9581 states and 14650 transitions. [2022-12-13 13:42:27,140 INFO L78 Accepts]: Start accepts. Automaton has 9581 states and 14650 transitions. Word has length 22 [2022-12-13 13:42:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:27,140 INFO L495 AbstractCegarLoop]: Abstraction has 9581 states and 14650 transitions. [2022-12-13 13:42:27,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 9581 states and 14650 transitions. [2022-12-13 13:42:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 13:42:27,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:27,141 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] [2022-12-13 13:42:27,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:42:27,142 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:27,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:27,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2126562970, now seen corresponding path program 1 times [2022-12-13 13:42:27,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:27,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673867540] [2022-12-13 13:42:27,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:27,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:27,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:27,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673867540] [2022-12-13 13:42:27,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673867540] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:27,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:27,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:27,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019603913] [2022-12-13 13:42:27,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:27,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:27,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:27,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:27,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:27,335 INFO L87 Difference]: Start difference. First operand 9581 states and 14650 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:27,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:27,583 INFO L93 Difference]: Finished difference Result 9583 states and 14651 transitions. [2022-12-13 13:42:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:27,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-13 13:42:27,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:27,614 INFO L225 Difference]: With dead ends: 9583 [2022-12-13 13:42:27,614 INFO L226 Difference]: Without dead ends: 9580 [2022-12-13 13:42:27,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:27,620 INFO L413 NwaCegarLoop]: 3900 mSDtfsCounter, 3881 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3881 SdHoareTripleChecker+Valid, 3900 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:27,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3881 Valid, 3900 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:27,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9580 states. [2022-12-13 13:42:28,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9580 to 9580. [2022-12-13 13:42:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9580 states, 6798 states have (on average 1.4379229185054427) internal successors, (9775), 6988 states have internal predecessors, (9775), 2441 states have call successors, (2441), 341 states have call predecessors, (2441), 340 states have return successors, (2432), 2352 states have call predecessors, (2432), 2432 states have call successors, (2432) [2022-12-13 13:42:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9580 states to 9580 states and 14648 transitions. [2022-12-13 13:42:28,044 INFO L78 Accepts]: Start accepts. Automaton has 9580 states and 14648 transitions. Word has length 23 [2022-12-13 13:42:28,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:28,044 INFO L495 AbstractCegarLoop]: Abstraction has 9580 states and 14648 transitions. [2022-12-13 13:42:28,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 9580 states and 14648 transitions. [2022-12-13 13:42:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 13:42:28,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:28,046 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] [2022-12-13 13:42:28,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:42:28,046 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:28,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:28,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1500051217, now seen corresponding path program 1 times [2022-12-13 13:42:28,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:28,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951768999] [2022-12-13 13:42:28,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:28,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:28,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:28,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951768999] [2022-12-13 13:42:28,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951768999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:28,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:28,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:28,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539708687] [2022-12-13 13:42:28,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:28,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:28,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:28,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:28,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:28,295 INFO L87 Difference]: Start difference. First operand 9580 states and 14648 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:28,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:28,718 INFO L93 Difference]: Finished difference Result 9582 states and 14649 transitions. [2022-12-13 13:42:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:28,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-12-13 13:42:28,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:28,756 INFO L225 Difference]: With dead ends: 9582 [2022-12-13 13:42:28,756 INFO L226 Difference]: Without dead ends: 9579 [2022-12-13 13:42:28,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:28,762 INFO L413 NwaCegarLoop]: 3898 mSDtfsCounter, 3878 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3878 SdHoareTripleChecker+Valid, 3898 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:28,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3878 Valid, 3898 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:28,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9579 states. [2022-12-13 13:42:29,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9579 to 9579. [2022-12-13 13:42:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9579 states, 6798 states have (on average 1.437775816416593) internal successors, (9774), 6987 states have internal predecessors, (9774), 2440 states have call successors, (2440), 341 states have call predecessors, (2440), 340 states have return successors, (2432), 2352 states have call predecessors, (2432), 2432 states have call successors, (2432) [2022-12-13 13:42:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9579 states to 9579 states and 14646 transitions. [2022-12-13 13:42:29,546 INFO L78 Accepts]: Start accepts. Automaton has 9579 states and 14646 transitions. Word has length 24 [2022-12-13 13:42:29,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:29,547 INFO L495 AbstractCegarLoop]: Abstraction has 9579 states and 14646 transitions. [2022-12-13 13:42:29,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 9579 states and 14646 transitions. [2022-12-13 13:42:29,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 13:42:29,548 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:29,549 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] [2022-12-13 13:42:29,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:42:29,549 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:29,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:29,549 INFO L85 PathProgramCache]: Analyzing trace with hash 741948809, now seen corresponding path program 1 times [2022-12-13 13:42:29,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:29,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852626960] [2022-12-13 13:42:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:29,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:29,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:29,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:29,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852626960] [2022-12-13 13:42:29,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852626960] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:29,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:29,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:29,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224005233] [2022-12-13 13:42:29,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:29,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:29,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:29,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:29,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:29,747 INFO L87 Difference]: Start difference. First operand 9579 states and 14646 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:30,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:30,045 INFO L93 Difference]: Finished difference Result 9581 states and 14647 transitions. [2022-12-13 13:42:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:30,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-13 13:42:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:30,070 INFO L225 Difference]: With dead ends: 9581 [2022-12-13 13:42:30,070 INFO L226 Difference]: Without dead ends: 9578 [2022-12-13 13:42:30,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:30,075 INFO L413 NwaCegarLoop]: 3896 mSDtfsCounter, 3875 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3875 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:30,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3875 Valid, 3896 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:30,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9578 states. [2022-12-13 13:42:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9578 to 9578. [2022-12-13 13:42:30,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9578 states, 6798 states have (on average 1.4376287143277435) internal successors, (9773), 6986 states have internal predecessors, (9773), 2439 states have call successors, (2439), 341 states have call predecessors, (2439), 340 states have return successors, (2432), 2352 states have call predecessors, (2432), 2432 states have call successors, (2432) [2022-12-13 13:42:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9578 states to 9578 states and 14644 transitions. [2022-12-13 13:42:30,540 INFO L78 Accepts]: Start accepts. Automaton has 9578 states and 14644 transitions. Word has length 25 [2022-12-13 13:42:30,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:30,541 INFO L495 AbstractCegarLoop]: Abstraction has 9578 states and 14644 transitions. [2022-12-13 13:42:30,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 9578 states and 14644 transitions. [2022-12-13 13:42:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 13:42:30,542 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:30,542 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] [2022-12-13 13:42:30,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 13:42:30,542 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:30,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:30,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1520640731, now seen corresponding path program 1 times [2022-12-13 13:42:30,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:30,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367605541] [2022-12-13 13:42:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:30,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:30,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367605541] [2022-12-13 13:42:30,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367605541] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:30,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:30,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:30,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698886476] [2022-12-13 13:42:30,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:30,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:30,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:30,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:30,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:30,757 INFO L87 Difference]: Start difference. First operand 9578 states and 14644 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:31,478 INFO L93 Difference]: Finished difference Result 28647 states and 43804 transitions. [2022-12-13 13:42:31,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:31,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-12-13 13:42:31,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:31,554 INFO L225 Difference]: With dead ends: 28647 [2022-12-13 13:42:31,554 INFO L226 Difference]: Without dead ends: 19072 [2022-12-13 13:42:31,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:31,602 INFO L413 NwaCegarLoop]: 5124 mSDtfsCounter, 3851 mSDsluCounter, 3879 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3851 SdHoareTripleChecker+Valid, 9003 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:31,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3851 Valid, 9003 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19072 states. [2022-12-13 13:42:32,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19072 to 19050. [2022-12-13 13:42:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19050 states, 13514 states have (on average 1.4373982536628682) internal successors, (19425), 13884 states have internal predecessors, (19425), 4859 states have call successors, (4859), 677 states have call predecessors, (4859), 676 states have return successors, (4852), 4692 states have call predecessors, (4852), 4852 states have call successors, (4852) [2022-12-13 13:42:32,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19050 states to 19050 states and 29136 transitions. [2022-12-13 13:42:32,517 INFO L78 Accepts]: Start accepts. Automaton has 19050 states and 29136 transitions. Word has length 29 [2022-12-13 13:42:32,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:32,517 INFO L495 AbstractCegarLoop]: Abstraction has 19050 states and 29136 transitions. [2022-12-13 13:42:32,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:32,517 INFO L276 IsEmpty]: Start isEmpty. Operand 19050 states and 29136 transitions. [2022-12-13 13:42:32,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 13:42:32,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:32,519 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] [2022-12-13 13:42:32,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 13:42:32,519 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:32,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:32,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1524477746, now seen corresponding path program 1 times [2022-12-13 13:42:32,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:32,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842449323] [2022-12-13 13:42:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:32,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:32,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:32,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842449323] [2022-12-13 13:42:32,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842449323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:32,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:32,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:32,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862578593] [2022-12-13 13:42:32,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:32,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:32,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:32,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:32,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:32,732 INFO L87 Difference]: Start difference. First operand 19050 states and 29136 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:33,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:33,552 INFO L93 Difference]: Finished difference Result 19078 states and 29154 transitions. [2022-12-13 13:42:33,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:33,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-12-13 13:42:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:33,606 INFO L225 Difference]: With dead ends: 19078 [2022-12-13 13:42:33,607 INFO L226 Difference]: Without dead ends: 19074 [2022-12-13 13:42:33,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:33,615 INFO L413 NwaCegarLoop]: 3891 mSDtfsCounter, 3860 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 3900 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:33,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3860 Valid, 3900 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:33,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19074 states. [2022-12-13 13:42:34,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19074 to 19072. [2022-12-13 13:42:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19072 states, 13530 states have (on average 1.4362158167036216) internal successors, (19432), 13898 states have internal predecessors, (19432), 4857 states have call successors, (4857), 685 states have call predecessors, (4857), 684 states have return successors, (4852), 4692 states have call predecessors, (4852), 4852 states have call successors, (4852) [2022-12-13 13:42:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19072 states to 19072 states and 29141 transitions. [2022-12-13 13:42:34,831 INFO L78 Accepts]: Start accepts. Automaton has 19072 states and 29141 transitions. Word has length 26 [2022-12-13 13:42:34,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:34,832 INFO L495 AbstractCegarLoop]: Abstraction has 19072 states and 29141 transitions. [2022-12-13 13:42:34,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 19072 states and 29141 transitions. [2022-12-13 13:42:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-13 13:42:34,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:34,833 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] [2022-12-13 13:42:34,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 13:42:34,833 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:34,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:34,834 INFO L85 PathProgramCache]: Analyzing trace with hash 13075884, now seen corresponding path program 1 times [2022-12-13 13:42:34,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:34,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199670564] [2022-12-13 13:42:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:35,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:35,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199670564] [2022-12-13 13:42:35,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199670564] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:35,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:35,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:35,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875639554] [2022-12-13 13:42:35,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:35,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:35,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:35,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:35,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:35,010 INFO L87 Difference]: Start difference. First operand 19072 states and 29141 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:35,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:35,784 INFO L93 Difference]: Finished difference Result 39363 states and 59732 transitions. [2022-12-13 13:42:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:35,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-12-13 13:42:35,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:35,845 INFO L225 Difference]: With dead ends: 39363 [2022-12-13 13:42:35,845 INFO L226 Difference]: Without dead ends: 20294 [2022-12-13 13:42:35,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:35,893 INFO L413 NwaCegarLoop]: 3959 mSDtfsCounter, 3746 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3746 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:35,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3746 Valid, 4254 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:35,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20294 states. [2022-12-13 13:42:36,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20294 to 20231. [2022-12-13 13:42:36,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20231 states, 14278 states have (on average 1.4172152962599804) internal successors, (20235), 14652 states have internal predecessors, (20235), 5044 states have call successors, (5044), 890 states have call predecessors, (5044), 908 states have return successors, (5092), 4900 states have call predecessors, (5092), 5036 states have call successors, (5092) [2022-12-13 13:42:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20231 states to 20231 states and 30371 transitions. [2022-12-13 13:42:36,934 INFO L78 Accepts]: Start accepts. Automaton has 20231 states and 30371 transitions. Word has length 27 [2022-12-13 13:42:36,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:36,934 INFO L495 AbstractCegarLoop]: Abstraction has 20231 states and 30371 transitions. [2022-12-13 13:42:36,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 20231 states and 30371 transitions. [2022-12-13 13:42:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 13:42:36,936 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:36,936 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] [2022-12-13 13:42:36,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 13:42:36,936 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:36,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash 404263285, now seen corresponding path program 1 times [2022-12-13 13:42:36,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:36,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129414507] [2022-12-13 13:42:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:36,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:37,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:37,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129414507] [2022-12-13 13:42:37,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129414507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:37,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:37,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:42:37,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213817296] [2022-12-13 13:42:37,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:37,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:42:37,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:37,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:42:37,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:37,096 INFO L87 Difference]: Start difference. First operand 20231 states and 30371 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:37,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:42:37,859 INFO L93 Difference]: Finished difference Result 20233 states and 30372 transitions. [2022-12-13 13:42:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:42:37,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-13 13:42:37,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:42:37,922 INFO L225 Difference]: With dead ends: 20233 [2022-12-13 13:42:37,922 INFO L226 Difference]: Without dead ends: 20217 [2022-12-13 13:42:37,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:42:37,932 INFO L413 NwaCegarLoop]: 3889 mSDtfsCounter, 3864 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3864 SdHoareTripleChecker+Valid, 3889 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:42:37,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3864 Valid, 3889 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:42:37,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20217 states. [2022-12-13 13:42:39,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20217 to 20217. [2022-12-13 13:42:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20217 states, 14265 states have (on average 1.416403785488959) internal successors, (20205), 14638 states have internal predecessors, (20205), 5043 states have call successors, (5043), 890 states have call predecessors, (5043), 908 states have return successors, (5092), 4900 states have call predecessors, (5092), 5036 states have call successors, (5092) [2022-12-13 13:42:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 20217 states and 30340 transitions. [2022-12-13 13:42:39,388 INFO L78 Accepts]: Start accepts. Automaton has 20217 states and 30340 transitions. Word has length 28 [2022-12-13 13:42:39,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:42:39,388 INFO L495 AbstractCegarLoop]: Abstraction has 20217 states and 30340 transitions. [2022-12-13 13:42:39,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:39,389 INFO L276 IsEmpty]: Start isEmpty. Operand 20217 states and 30340 transitions. [2022-12-13 13:42:39,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-13 13:42:39,398 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:42:39,398 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] [2022-12-13 13:42:39,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 13:42:39,398 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:42:39,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:39,399 INFO L85 PathProgramCache]: Analyzing trace with hash -36540386, now seen corresponding path program 1 times [2022-12-13 13:42:39,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:39,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765566204] [2022-12-13 13:42:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:39,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 13:42:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 13:42:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:42:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:42:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:39,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 13:42:39,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:39,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765566204] [2022-12-13 13:42:39,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765566204] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:39,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:39,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:42:39,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101701744] [2022-12-13 13:42:39,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:39,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:42:39,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:39,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:42:39,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:42:39,732 INFO L87 Difference]: Start difference. First operand 20217 states and 30340 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 13:42:42,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:43:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:43:06,456 INFO L93 Difference]: Finished difference Result 22676 states and 33511 transitions. [2022-12-13 13:43:06,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:43:06,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2022-12-13 13:43:06,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:43:06,509 INFO L225 Difference]: With dead ends: 22676 [2022-12-13 13:43:06,509 INFO L226 Difference]: Without dead ends: 20740 [2022-12-13 13:43:06,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:43:06,520 INFO L413 NwaCegarLoop]: 1646 mSDtfsCounter, 2453 mSDsluCounter, 3718 mSDsCounter, 0 mSdLazyCounter, 6615 mSolverCounterSat, 1297 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2842 SdHoareTripleChecker+Valid, 5364 SdHoareTripleChecker+Invalid, 7913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1297 IncrementalHoareTripleChecker+Valid, 6615 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:43:06,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2842 Valid, 5364 Invalid, 7913 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1297 Valid, 6615 Invalid, 1 Unknown, 0 Unchecked, 25.5s Time] [2022-12-13 13:43:06,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20740 states. [2022-12-13 13:43:07,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20740 to 20093. [2022-12-13 13:43:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20093 states, 14191 states have (on average 1.4174476781058418) internal successors, (20115), 14564 states have internal predecessors, (20115), 5023 states have call successors, (5023), 880 states have call predecessors, (5023), 878 states have return successors, (5020), 4860 states have call predecessors, (5020), 5020 states have call successors, (5020) [2022-12-13 13:43:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20093 states to 20093 states and 30158 transitions. [2022-12-13 13:43:07,761 INFO L78 Accepts]: Start accepts. Automaton has 20093 states and 30158 transitions. Word has length 64 [2022-12-13 13:43:07,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:43:07,761 INFO L495 AbstractCegarLoop]: Abstraction has 20093 states and 30158 transitions. [2022-12-13 13:43:07,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 13:43:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 20093 states and 30158 transitions. [2022-12-13 13:43:07,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-13 13:43:07,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:43:07,778 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:07,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 13:43:07,779 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:43:07,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:07,779 INFO L85 PathProgramCache]: Analyzing trace with hash -604591183, now seen corresponding path program 1 times [2022-12-13 13:43:07,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:07,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367575165] [2022-12-13 13:43:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:43:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 13:43:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:43:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 13:43:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 13:43:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 13:43:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:43:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 13:43:08,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:08,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367575165] [2022-12-13 13:43:08,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367575165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:08,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:43:08,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:43:08,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923517907] [2022-12-13 13:43:08,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:08,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:43:08,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:08,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:43:08,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:43:08,054 INFO L87 Difference]: Start difference. First operand 20093 states and 30158 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 13:43:11,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:43:37,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:43:37,243 INFO L93 Difference]: Finished difference Result 61112 states and 91719 transitions. [2022-12-13 13:43:37,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:43:37,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 94 [2022-12-13 13:43:37,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:43:37,354 INFO L225 Difference]: With dead ends: 61112 [2022-12-13 13:43:37,354 INFO L226 Difference]: Without dead ends: 41022 [2022-12-13 13:43:37,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:43:37,399 INFO L413 NwaCegarLoop]: 2275 mSDtfsCounter, 6051 mSDsluCounter, 4529 mSDsCounter, 0 mSdLazyCounter, 8696 mSolverCounterSat, 3493 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6608 SdHoareTripleChecker+Valid, 6804 SdHoareTripleChecker+Invalid, 12190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3493 IncrementalHoareTripleChecker+Valid, 8696 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2022-12-13 13:43:37,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6608 Valid, 6804 Invalid, 12190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3493 Valid, 8696 Invalid, 1 Unknown, 0 Unchecked, 26.6s Time] [2022-12-13 13:43:37,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41022 states. [2022-12-13 13:43:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41022 to 39663. [2022-12-13 13:43:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39663 states, 28035 states have (on average 1.418262885678616) internal successors, (39761), 28780 states have internal predecessors, (39761), 9881 states have call successors, (9881), 1748 states have call predecessors, (9881), 1746 states have return successors, (9902), 9558 states have call predecessors, (9902), 9878 states have call successors, (9902) [2022-12-13 13:43:40,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39663 states to 39663 states and 59544 transitions. [2022-12-13 13:43:40,347 INFO L78 Accepts]: Start accepts. Automaton has 39663 states and 59544 transitions. Word has length 94 [2022-12-13 13:43:40,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:43:40,347 INFO L495 AbstractCegarLoop]: Abstraction has 39663 states and 59544 transitions. [2022-12-13 13:43:40,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 13:43:40,348 INFO L276 IsEmpty]: Start isEmpty. Operand 39663 states and 59544 transitions. [2022-12-13 13:43:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-13 13:43:40,382 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:43:40,382 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:40,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 13:43:40,382 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:43:40,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:40,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1434017527, now seen corresponding path program 1 times [2022-12-13 13:43:40,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:40,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487148999] [2022-12-13 13:43:40,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:40,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 13:43:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:40,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 13:43:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 13:43:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 13:43:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 13:43:40,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:40,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487148999] [2022-12-13 13:43:40,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487148999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:40,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:43:40,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:43:40,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510236153] [2022-12-13 13:43:40,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:40,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:43:40,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:40,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:43:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:43:40,717 INFO L87 Difference]: Start difference. First operand 39663 states and 59544 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 13:44:03,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:44:08,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:08,495 INFO L93 Difference]: Finished difference Result 99354 states and 149161 transitions. [2022-12-13 13:44:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:44:08,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 98 [2022-12-13 13:44:08,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:08,677 INFO L225 Difference]: With dead ends: 99354 [2022-12-13 13:44:08,677 INFO L226 Difference]: Without dead ends: 59694 [2022-12-13 13:44:08,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:44:08,773 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 4741 mSDsluCounter, 3479 mSDsCounter, 0 mSdLazyCounter, 7098 mSolverCounterSat, 1762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5361 SdHoareTripleChecker+Valid, 6228 SdHoareTripleChecker+Invalid, 8860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1762 IncrementalHoareTripleChecker+Valid, 7098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2022-12-13 13:44:08,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5361 Valid, 6228 Invalid, 8860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1762 Valid, 7098 Invalid, 0 Unknown, 0 Unchecked, 24.4s Time] [2022-12-13 13:44:08,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59694 states. [2022-12-13 13:44:12,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59694 to 59463. [2022-12-13 13:44:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59463 states, 42055 states have (on average 1.418024016169302) internal successors, (59635), 43172 states have internal predecessors, (59635), 14791 states have call successors, (14791), 2618 states have call predecessors, (14791), 2616 states have return successors, (14824), 14308 states have call predecessors, (14824), 14788 states have call successors, (14824) [2022-12-13 13:44:12,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59463 states to 59463 states and 89250 transitions. [2022-12-13 13:44:12,621 INFO L78 Accepts]: Start accepts. Automaton has 59463 states and 89250 transitions. Word has length 98 [2022-12-13 13:44:12,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:44:12,621 INFO L495 AbstractCegarLoop]: Abstraction has 59463 states and 89250 transitions. [2022-12-13 13:44:12,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 13:44:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 59463 states and 89250 transitions. [2022-12-13 13:44:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 13:44:12,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:12,661 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:12,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 13:44:12,661 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:44:12,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:12,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1669957042, now seen corresponding path program 1 times [2022-12-13 13:44:12,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:12,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330000414] [2022-12-13 13:44:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:12,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 13:44:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 13:44:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 13:44:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 13:44:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 13:44:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 13:44:13,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:44:13,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330000414] [2022-12-13 13:44:13,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330000414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:13,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:13,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:44:13,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178192577] [2022-12-13 13:44:13,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:13,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:44:13,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:44:13,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:44:13,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:44:13,348 INFO L87 Difference]: Start difference. First operand 59463 states and 89250 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 4 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 13:44:16,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:44:21,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:44:39,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:44:43,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:44:45,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:44:46,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:45:04,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:45:04,331 INFO L93 Difference]: Finished difference Result 116191 states and 175685 transitions. [2022-12-13 13:45:04,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:45:04,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 4 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 101 [2022-12-13 13:45:04,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:45:04,495 INFO L225 Difference]: With dead ends: 116191 [2022-12-13 13:45:04,495 INFO L226 Difference]: Without dead ends: 56731 [2022-12-13 13:45:04,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-12-13 13:45:04,637 INFO L413 NwaCegarLoop]: 1582 mSDtfsCounter, 1871 mSDsluCounter, 8340 mSDsCounter, 0 mSdLazyCounter, 14299 mSolverCounterSat, 222 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 9922 SdHoareTripleChecker+Invalid, 14523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 14299 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.8s IncrementalHoareTripleChecker+Time [2022-12-13 13:45:04,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 9922 Invalid, 14523 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [222 Valid, 14299 Invalid, 2 Unknown, 0 Unchecked, 47.8s Time] [2022-12-13 13:45:04,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56731 states. [2022-12-13 13:45:07,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56731 to 56507. [2022-12-13 13:45:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56507 states, 40397 states have (on average 1.422704656286358) internal successors, (57473), 41177 states have internal predecessors, (57473), 13973 states have call successors, (13973), 2137 states have call predecessors, (13973), 2136 states have return successors, (14008), 13804 states have call predecessors, (14008), 13972 states have call successors, (14008) [2022-12-13 13:45:08,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56507 states to 56507 states and 85454 transitions. [2022-12-13 13:45:08,163 INFO L78 Accepts]: Start accepts. Automaton has 56507 states and 85454 transitions. Word has length 101 [2022-12-13 13:45:08,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:45:08,163 INFO L495 AbstractCegarLoop]: Abstraction has 56507 states and 85454 transitions. [2022-12-13 13:45:08,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 4 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 13:45:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 56507 states and 85454 transitions. [2022-12-13 13:45:08,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 13:45:08,222 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:45:08,222 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:45:08,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 13:45:08,223 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:45:08,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:45:08,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1745805728, now seen corresponding path program 1 times [2022-12-13 13:45:08,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:45:08,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546011366] [2022-12-13 13:45:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:45:08,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:45:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:45:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 13:45:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 13:45:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 13:45:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 13:45:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 13:45:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 13:45:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 13:45:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 13:45:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 13:45:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-13 13:45:08,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:45:08,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546011366] [2022-12-13 13:45:08,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546011366] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:45:08,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:45:08,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:45:08,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070573189] [2022-12-13 13:45:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:45:08,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:45:08,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:45:08,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:45:08,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:45:08,761 INFO L87 Difference]: Start difference. First operand 56507 states and 85454 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 13:45:16,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:45:16,379 INFO L93 Difference]: Finished difference Result 148055 states and 221741 transitions. [2022-12-13 13:45:16,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:45:16,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 192 [2022-12-13 13:45:16,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:45:16,634 INFO L225 Difference]: With dead ends: 148055 [2022-12-13 13:45:16,634 INFO L226 Difference]: Without dead ends: 91551 [2022-12-13 13:45:16,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:45:16,781 INFO L413 NwaCegarLoop]: 4143 mSDtfsCounter, 2580 mSDsluCounter, 5465 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 981 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2860 SdHoareTripleChecker+Valid, 9608 SdHoareTripleChecker+Invalid, 3361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 981 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:45:16,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2860 Valid, 9608 Invalid, 3361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [981 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 13:45:16,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91551 states. [2022-12-13 13:45:21,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91551 to 88743. [2022-12-13 13:45:21,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88743 states, 64697 states have (on average 1.4180719353293043) internal successors, (91745), 65777 states have internal predecessors, (91745), 20169 states have call successors, (20169), 3877 states have call predecessors, (20169), 3876 states have return successors, (20240), 19880 states have call predecessors, (20240), 20168 states have call successors, (20240) [2022-12-13 13:45:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88743 states to 88743 states and 132154 transitions. [2022-12-13 13:45:22,079 INFO L78 Accepts]: Start accepts. Automaton has 88743 states and 132154 transitions. Word has length 192 [2022-12-13 13:45:22,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:45:22,080 INFO L495 AbstractCegarLoop]: Abstraction has 88743 states and 132154 transitions. [2022-12-13 13:45:22,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 13:45:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 88743 states and 132154 transitions. [2022-12-13 13:45:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-13 13:45:22,210 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:45:22,210 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:45:22,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 13:45:22,210 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:45:22,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:45:22,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1242164818, now seen corresponding path program 1 times [2022-12-13 13:45:22,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:45:22,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891288571] [2022-12-13 13:45:22,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:45:22,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:45:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 13:45:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 13:45:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 13:45:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 13:45:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 13:45:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 13:45:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 13:45:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 13:45:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 13:45:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 13:45:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:22,775 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-13 13:45:22,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:45:22,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891288571] [2022-12-13 13:45:22,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891288571] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:45:22,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:45:22,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:45:22,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562742111] [2022-12-13 13:45:22,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:45:22,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:45:22,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:45:22,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:45:22,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:45:22,777 INFO L87 Difference]: Start difference. First operand 88743 states and 132154 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 13:45:33,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:45:33,137 INFO L93 Difference]: Finished difference Result 214855 states and 319009 transitions. [2022-12-13 13:45:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:45:33,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 209 [2022-12-13 13:45:33,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:45:33,502 INFO L225 Difference]: With dead ends: 214855 [2022-12-13 13:45:33,502 INFO L226 Difference]: Without dead ends: 126115 [2022-12-13 13:45:33,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:45:33,704 INFO L413 NwaCegarLoop]: 4748 mSDtfsCounter, 2546 mSDsluCounter, 6014 mSDsCounter, 0 mSdLazyCounter, 2633 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2824 SdHoareTripleChecker+Valid, 10762 SdHoareTripleChecker+Invalid, 3513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 2633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 13:45:33,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 10762 Invalid, 3513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 2633 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 13:45:33,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126115 states. [2022-12-13 13:45:41,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126115 to 121987. [2022-12-13 13:45:41,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121987 states, 90005 states have (on average 1.4169101716571302) internal successors, (127529), 91385 states have internal predecessors, (127529), 26365 states have call successors, (26365), 5617 states have call predecessors, (26365), 5616 states have return successors, (26472), 25956 states have call predecessors, (26472), 26364 states have call successors, (26472) [2022-12-13 13:45:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121987 states to 121987 states and 180366 transitions. [2022-12-13 13:45:41,491 INFO L78 Accepts]: Start accepts. Automaton has 121987 states and 180366 transitions. Word has length 209 [2022-12-13 13:45:41,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:45:41,491 INFO L495 AbstractCegarLoop]: Abstraction has 121987 states and 180366 transitions. [2022-12-13 13:45:41,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 13:45:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 121987 states and 180366 transitions. [2022-12-13 13:45:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-13 13:45:41,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:45:41,851 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:45:41,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 13:45:41,851 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:45:41,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:45:41,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1203388696, now seen corresponding path program 1 times [2022-12-13 13:45:41,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:45:41,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585190280] [2022-12-13 13:45:41,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:45:41,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:45:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 13:45:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 13:45:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 13:45:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 13:45:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 13:45:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 13:45:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 13:45:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:45:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 13:45:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 13:45:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:45:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:45:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 13:45:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2022-12-13 13:45:42,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:45:42,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585190280] [2022-12-13 13:45:42,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585190280] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:45:42,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:45:42,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:45:42,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047330525] [2022-12-13 13:45:42,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:45:42,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:45:42,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:45:42,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:45:42,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:45:42,390 INFO L87 Difference]: Start difference. First operand 121987 states and 180366 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 13:45:53,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:45:53,501 INFO L93 Difference]: Finished difference Result 282879 states and 417477 transitions. [2022-12-13 13:45:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:45:53,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 241 [2022-12-13 13:45:53,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:45:53,974 INFO L225 Difference]: With dead ends: 282879 [2022-12-13 13:45:53,974 INFO L226 Difference]: Without dead ends: 160895 [2022-12-13 13:45:54,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:45:54,266 INFO L413 NwaCegarLoop]: 5305 mSDtfsCounter, 2485 mSDsluCounter, 6395 mSDsCounter, 0 mSdLazyCounter, 2673 mSolverCounterSat, 802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2769 SdHoareTripleChecker+Valid, 11700 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 2673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:45:54,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2769 Valid, 11700 Invalid, 3475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 2673 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 13:45:54,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160895 states. [2022-12-13 13:46:03,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160895 to 155447. [2022-12-13 13:46:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155447 states, 115457 states have (on average 1.4159470625427648) internal successors, (163481), 117137 states have internal predecessors, (163481), 32561 states have call successors, (32561), 7429 states have call predecessors, (32561), 7428 states have return successors, (32704), 32032 states have call predecessors, (32704), 32560 states have call successors, (32704) [2022-12-13 13:46:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155447 states to 155447 states and 228746 transitions. [2022-12-13 13:46:03,699 INFO L78 Accepts]: Start accepts. Automaton has 155447 states and 228746 transitions. Word has length 241 [2022-12-13 13:46:03,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:46:03,700 INFO L495 AbstractCegarLoop]: Abstraction has 155447 states and 228746 transitions. [2022-12-13 13:46:03,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 13:46:03,700 INFO L276 IsEmpty]: Start isEmpty. Operand 155447 states and 228746 transitions. [2022-12-13 13:46:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-12-13 13:46:04,017 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:46:04,017 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:46:04,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 13:46:04,017 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:46:04,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:46:04,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1914781439, now seen corresponding path program 1 times [2022-12-13 13:46:04,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:46:04,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727021494] [2022-12-13 13:46:04,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:46:04,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:46:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 13:46:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 13:46:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:46:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 13:46:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 13:46:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:46:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 13:46:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:46:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 13:46:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:46:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 13:46:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:46:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 13:46:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 13:46:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 13:46:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-13 13:46:04,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:46:04,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727021494] [2022-12-13 13:46:04,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727021494] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:46:04,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:46:04,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:46:04,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828761442] [2022-12-13 13:46:04,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:46:04,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:46:04,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:46:04,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:46:04,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:46:04,685 INFO L87 Difference]: Start difference. First operand 155447 states and 228746 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 13:46:26,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:46:26,258 INFO L93 Difference]: Finished difference Result 477279 states and 702008 transitions. [2022-12-13 13:46:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:46:26,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 265 [2022-12-13 13:46:26,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:46:27,310 INFO L225 Difference]: With dead ends: 477279 [2022-12-13 13:46:27,310 INFO L226 Difference]: Without dead ends: 321835 [2022-12-13 13:46:27,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:46:27,726 INFO L413 NwaCegarLoop]: 6408 mSDtfsCounter, 4677 mSDsluCounter, 11547 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 1299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5135 SdHoareTripleChecker+Valid, 17955 SdHoareTripleChecker+Invalid, 6260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1299 IncrementalHoareTripleChecker+Valid, 4961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:46:27,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5135 Valid, 17955 Invalid, 6260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1299 Valid, 4961 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-13 13:46:27,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321835 states. [2022-12-13 13:46:41,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321835 to 155495. [2022-12-13 13:46:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155495 states, 115505 states have (on average 1.4157742089087053) internal successors, (163529), 117185 states have internal predecessors, (163529), 32561 states have call successors, (32561), 7429 states have call predecessors, (32561), 7428 states have return successors, (32704), 32032 states have call predecessors, (32704), 32560 states have call successors, (32704) [2022-12-13 13:46:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155495 states to 155495 states and 228794 transitions. [2022-12-13 13:46:41,871 INFO L78 Accepts]: Start accepts. Automaton has 155495 states and 228794 transitions. Word has length 265 [2022-12-13 13:46:41,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:46:41,872 INFO L495 AbstractCegarLoop]: Abstraction has 155495 states and 228794 transitions. [2022-12-13 13:46:41,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 13:46:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 155495 states and 228794 transitions. [2022-12-13 13:46:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-12-13 13:46:42,292 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:46:42,292 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:46:42,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 13:46:42,293 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:46:42,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:46:42,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1069995227, now seen corresponding path program 1 times [2022-12-13 13:46:42,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:46:42,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61413072] [2022-12-13 13:46:42,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:46:42,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:46:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 13:46:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 13:46:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:46:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:46:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 13:46:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 13:46:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 13:46:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 13:46:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:46:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 13:46:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:46:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 13:46:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:46:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 13:46:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:46:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 13:46:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 13:46:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:46:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:46:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 13:46:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-13 13:46:42,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:46:42,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61413072] [2022-12-13 13:46:42,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61413072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:46:42,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:46:42,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:46:42,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490812921] [2022-12-13 13:46:42,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:46:42,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:46:42,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:46:42,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:46:42,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:46:42,813 INFO L87 Difference]: Start difference. First operand 155495 states and 228794 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:46:57,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:46:57,145 INFO L93 Difference]: Finished difference Result 316459 states and 465497 transitions. [2022-12-13 13:46:57,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:46:57,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 284 [2022-12-13 13:46:57,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:46:57,791 INFO L225 Difference]: With dead ends: 316459 [2022-12-13 13:46:57,791 INFO L226 Difference]: Without dead ends: 160967 [2022-12-13 13:46:58,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:46:58,255 INFO L413 NwaCegarLoop]: 3385 mSDtfsCounter, 433 mSDsluCounter, 5123 mSDsCounter, 0 mSdLazyCounter, 1968 mSolverCounterSat, 579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 8508 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 579 IncrementalHoareTripleChecker+Valid, 1968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 13:46:58,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 8508 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [579 Valid, 1968 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 13:46:58,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160967 states. [2022-12-13 13:47:09,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160967 to 155519. [2022-12-13 13:47:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155519 states, 115529 states have (on average 1.4156878359546088) internal successors, (163553), 117209 states have internal predecessors, (163553), 32561 states have call successors, (32561), 7429 states have call predecessors, (32561), 7428 states have return successors, (32704), 32032 states have call predecessors, (32704), 32560 states have call successors, (32704) [2022-12-13 13:47:09,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155519 states to 155519 states and 228818 transitions. [2022-12-13 13:47:09,638 INFO L78 Accepts]: Start accepts. Automaton has 155519 states and 228818 transitions. Word has length 284 [2022-12-13 13:47:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:47:09,638 INFO L495 AbstractCegarLoop]: Abstraction has 155519 states and 228818 transitions. [2022-12-13 13:47:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:47:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 155519 states and 228818 transitions. [2022-12-13 13:47:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-12-13 13:47:09,954 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:47:09,954 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:47:09,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 13:47:09,954 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:47:09,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:47:09,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1892545514, now seen corresponding path program 1 times [2022-12-13 13:47:09,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:47:09,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31533819] [2022-12-13 13:47:09,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:47:09,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:47:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 13:47:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 13:47:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:47:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:47:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 13:47:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 13:47:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 13:47:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 13:47:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:47:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 13:47:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:47:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 13:47:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:47:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 13:47:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:47:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 13:47:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 13:47:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-12-13 13:47:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-13 13:47:10,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:47:10,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31533819] [2022-12-13 13:47:10,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31533819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:47:10,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:47:10,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:47:10,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036524565] [2022-12-13 13:47:10,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:47:10,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:47:10,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:47:10,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:47:10,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:47:10,638 INFO L87 Difference]: Start difference. First operand 155519 states and 228818 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:47:26,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:47:26,766 INFO L93 Difference]: Finished difference Result 351047 states and 516089 transitions. [2022-12-13 13:47:26,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:47:26,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 281 [2022-12-13 13:47:26,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:47:27,358 INFO L225 Difference]: With dead ends: 351047 [2022-12-13 13:47:27,358 INFO L226 Difference]: Without dead ends: 195531 [2022-12-13 13:47:27,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:47:27,794 INFO L413 NwaCegarLoop]: 5312 mSDtfsCounter, 2446 mSDsluCounter, 6427 mSDsCounter, 0 mSdLazyCounter, 2688 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2724 SdHoareTripleChecker+Valid, 11739 SdHoareTripleChecker+Invalid, 3476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 2688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:47:27,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2724 Valid, 11739 Invalid, 3476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [788 Valid, 2688 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 13:47:27,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195531 states. [2022-12-13 13:47:41,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195531 to 188763. [2022-12-13 13:47:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188763 states, 140837 states have (on average 1.4153738009187926) internal successors, (199337), 142817 states have internal predecessors, (199337), 38757 states have call successors, (38757), 9169 states have call predecessors, (38757), 9168 states have return successors, (38936), 38108 states have call predecessors, (38936), 38756 states have call successors, (38936) [2022-12-13 13:47:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188763 states to 188763 states and 277030 transitions. [2022-12-13 13:47:42,041 INFO L78 Accepts]: Start accepts. Automaton has 188763 states and 277030 transitions. Word has length 281 [2022-12-13 13:47:42,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:47:42,041 INFO L495 AbstractCegarLoop]: Abstraction has 188763 states and 277030 transitions. [2022-12-13 13:47:42,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:47:42,041 INFO L276 IsEmpty]: Start isEmpty. Operand 188763 states and 277030 transitions. [2022-12-13 13:47:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-12-13 13:47:42,535 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:47:42,535 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:47:42,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 13:47:42,535 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:47:42,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:47:42,535 INFO L85 PathProgramCache]: Analyzing trace with hash -248652858, now seen corresponding path program 1 times [2022-12-13 13:47:42,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:47:42,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692968864] [2022-12-13 13:47:42,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:47:42,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:47:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 13:47:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:47:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:47:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:47:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 13:47:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 13:47:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 13:47:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 13:47:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:47:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 13:47:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:47:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 13:47:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:47:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 13:47:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:47:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 13:47:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 13:47:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:47:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:47:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-12-13 13:47:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-12-13 13:47:43,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:47:43,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692968864] [2022-12-13 13:47:43,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692968864] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:47:43,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:47:43,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:47:43,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403967279] [2022-12-13 13:47:43,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:47:43,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:47:43,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:47:43,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:47:43,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:47:43,518 INFO L87 Difference]: Start difference. First operand 188763 states and 277030 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:48:15,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:48:15,438 INFO L93 Difference]: Finished difference Result 547573 states and 824355 transitions. [2022-12-13 13:48:15,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:48:15,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 281 [2022-12-13 13:48:15,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:48:16,791 INFO L225 Difference]: With dead ends: 547573 [2022-12-13 13:48:16,791 INFO L226 Difference]: Without dead ends: 358813 [2022-12-13 13:48:17,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:48:17,269 INFO L413 NwaCegarLoop]: 5723 mSDtfsCounter, 8534 mSDsluCounter, 13555 mSDsCounter, 0 mSdLazyCounter, 6587 mSolverCounterSat, 2221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9404 SdHoareTripleChecker+Valid, 19278 SdHoareTripleChecker+Invalid, 8808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2221 IncrementalHoareTripleChecker+Valid, 6587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:48:17,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9404 Valid, 19278 Invalid, 8808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2221 Valid, 6587 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-12-13 13:48:17,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358813 states. [2022-12-13 13:48:36,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358813 to 243559. [2022-12-13 13:48:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243559 states, 179861 states have (on average 1.4171221109634662) internal successors, (254885), 182621 states have internal predecessors, (254885), 52417 states have call successors, (52417), 11281 states have call predecessors, (52417), 11280 states have return successors, (52632), 51600 states have call predecessors, (52632), 52416 states have call successors, (52632) [2022-12-13 13:48:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243559 states to 243559 states and 359934 transitions. [2022-12-13 13:48:37,535 INFO L78 Accepts]: Start accepts. Automaton has 243559 states and 359934 transitions. Word has length 281 [2022-12-13 13:48:37,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:48:37,535 INFO L495 AbstractCegarLoop]: Abstraction has 243559 states and 359934 transitions. [2022-12-13 13:48:37,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:48:37,535 INFO L276 IsEmpty]: Start isEmpty. Operand 243559 states and 359934 transitions. [2022-12-13 13:48:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-12-13 13:48:38,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:38,023 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:38,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 13:48:38,023 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:38,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:38,024 INFO L85 PathProgramCache]: Analyzing trace with hash 215182841, now seen corresponding path program 1 times [2022-12-13 13:48:38,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:38,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040581338] [2022-12-13 13:48:38,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:38,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 13:48:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 13:48:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:48:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:48:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 13:48:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 13:48:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 13:48:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 13:48:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:48:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 13:48:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:48:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 13:48:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:48:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 13:48:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:48:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 13:48:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 13:48:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 13:48:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-12-13 13:48:38,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:38,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040581338] [2022-12-13 13:48:38,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040581338] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:38,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:48:38,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:48:38,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319253222] [2022-12-13 13:48:38,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:38,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:48:38,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:38,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:48:38,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:48:38,549 INFO L87 Difference]: Start difference. First operand 243559 states and 359934 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:49:02,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:49:02,654 INFO L93 Difference]: Finished difference Result 529935 states and 782265 transitions. [2022-12-13 13:49:02,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:49:02,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 286 [2022-12-13 13:49:02,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:49:03,710 INFO L225 Difference]: With dead ends: 529935 [2022-12-13 13:49:03,710 INFO L226 Difference]: Without dead ends: 286379 [2022-12-13 13:49:04,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:49:04,288 INFO L413 NwaCegarLoop]: 5313 mSDtfsCounter, 2444 mSDsluCounter, 6429 mSDsCounter, 0 mSdLazyCounter, 2688 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2720 SdHoareTripleChecker+Valid, 11742 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 2688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:49:04,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2720 Valid, 11742 Invalid, 3475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [787 Valid, 2688 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 13:49:04,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286379 states. [2022-12-13 13:49:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286379 to 276803. [2022-12-13 13:49:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276803 states, 205169 states have (on average 1.4167296228962465) internal successors, (290669), 208229 states have internal predecessors, (290669), 58613 states have call successors, (58613), 13021 states have call predecessors, (58613), 13020 states have return successors, (58864), 57676 states have call predecessors, (58864), 58612 states have call successors, (58864) [2022-12-13 13:49:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276803 states to 276803 states and 408146 transitions. [2022-12-13 13:49:26,663 INFO L78 Accepts]: Start accepts. Automaton has 276803 states and 408146 transitions. Word has length 286 [2022-12-13 13:49:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:49:26,664 INFO L495 AbstractCegarLoop]: Abstraction has 276803 states and 408146 transitions. [2022-12-13 13:49:26,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:49:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 276803 states and 408146 transitions. [2022-12-13 13:49:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-12-13 13:49:27,199 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:49:27,199 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:49:27,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 13:49:27,200 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:49:27,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:49:27,200 INFO L85 PathProgramCache]: Analyzing trace with hash 576725348, now seen corresponding path program 1 times [2022-12-13 13:49:27,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:49:27,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971648855] [2022-12-13 13:49:27,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:49:27,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:49:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:49:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 13:49:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:49:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:49:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 13:49:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 13:49:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 13:49:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 13:49:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:49:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 13:49:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:49:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 13:49:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:49:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 13:49:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:49:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 13:49:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 13:49:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:49:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:49:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 13:49:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-12-13 13:49:27,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:49:27,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971648855] [2022-12-13 13:49:27,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971648855] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:49:27,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:49:27,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:49:27,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150556144] [2022-12-13 13:49:27,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:49:27,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:49:27,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:49:27,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:49:27,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:49:27,875 INFO L87 Difference]: Start difference. First operand 276803 states and 408146 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:49:59,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:49:59,869 INFO L93 Difference]: Finished difference Result 677084 states and 1016882 transitions. [2022-12-13 13:49:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:49:59,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 289 [2022-12-13 13:49:59,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:50:01,372 INFO L225 Difference]: With dead ends: 677084 [2022-12-13 13:50:01,372 INFO L226 Difference]: Without dead ends: 400284 [2022-12-13 13:50:02,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:50:02,094 INFO L413 NwaCegarLoop]: 4658 mSDtfsCounter, 1587 mSDsluCounter, 14454 mSDsCounter, 0 mSdLazyCounter, 4123 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 19112 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 4123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 13:50:02,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 19112 Invalid, 4718 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [595 Valid, 4123 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 13:50:02,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400284 states. [2022-12-13 13:50:27,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400284 to 276803. [2022-12-13 13:50:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276803 states, 205169 states have (on average 1.4166126461599948) internal successors, (290645), 208229 states have internal predecessors, (290645), 58613 states have call successors, (58613), 13021 states have call predecessors, (58613), 13020 states have return successors, (58864), 57676 states have call predecessors, (58864), 58612 states have call successors, (58864) [2022-12-13 13:50:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276803 states to 276803 states and 408122 transitions. [2022-12-13 13:50:29,380 INFO L78 Accepts]: Start accepts. Automaton has 276803 states and 408122 transitions. Word has length 289 [2022-12-13 13:50:29,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:50:29,380 INFO L495 AbstractCegarLoop]: Abstraction has 276803 states and 408122 transitions. [2022-12-13 13:50:29,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:50:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 276803 states and 408122 transitions. [2022-12-13 13:50:30,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-12-13 13:50:30,041 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:50:30,042 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:50:30,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 13:50:30,042 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:50:30,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:50:30,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1421246706, now seen corresponding path program 1 times [2022-12-13 13:50:30,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:50:30,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496575605] [2022-12-13 13:50:30,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:50:30,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:50:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:50:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 13:50:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:50:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:50:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 13:50:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 13:50:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 13:50:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 13:50:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:50:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 13:50:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:50:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 13:50:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:50:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 13:50:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:50:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 13:50:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-12-13 13:50:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:50:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:50:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 13:50:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-12-13 13:50:30,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:50:30,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496575605] [2022-12-13 13:50:30,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496575605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:50:30,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:50:30,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:50:30,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794762911] [2022-12-13 13:50:30,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:50:30,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:50:30,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:50:30,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:50:30,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:50:30,655 INFO L87 Difference]: Start difference. First operand 276803 states and 408122 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:50:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:50:59,406 INFO L93 Difference]: Finished difference Result 597743 states and 880517 transitions. [2022-12-13 13:50:59,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:50:59,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 283 [2022-12-13 13:50:59,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:51:00,643 INFO L225 Difference]: With dead ends: 597743 [2022-12-13 13:51:00,643 INFO L226 Difference]: Without dead ends: 320943 [2022-12-13 13:51:01,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:51:01,492 INFO L413 NwaCegarLoop]: 5310 mSDtfsCounter, 2448 mSDsluCounter, 6427 mSDsCounter, 0 mSdLazyCounter, 2688 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 11737 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 2688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-13 13:51:01,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 11737 Invalid, 3475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [787 Valid, 2688 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-13 13:51:01,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320943 states. [2022-12-13 13:51:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320943 to 310047. [2022-12-13 13:51:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310047 states, 230477 states have (on average 1.4163191988788468) internal successors, (326429), 233837 states have internal predecessors, (326429), 64809 states have call successors, (64809), 14761 states have call predecessors, (64809), 14760 states have return successors, (65096), 63752 states have call predecessors, (65096), 64808 states have call successors, (65096) [2022-12-13 13:51:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310047 states to 310047 states and 456334 transitions. [2022-12-13 13:51:29,073 INFO L78 Accepts]: Start accepts. Automaton has 310047 states and 456334 transitions. Word has length 283 [2022-12-13 13:51:29,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:51:29,074 INFO L495 AbstractCegarLoop]: Abstraction has 310047 states and 456334 transitions. [2022-12-13 13:51:29,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:51:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 310047 states and 456334 transitions. [2022-12-13 13:51:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-13 13:51:29,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:51:29,864 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:51:29,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 13:51:29,864 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:51:29,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:51:29,864 INFO L85 PathProgramCache]: Analyzing trace with hash -24639769, now seen corresponding path program 1 times [2022-12-13 13:51:29,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:51:29,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249961957] [2022-12-13 13:51:29,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:51:29,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:51:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:51:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 13:51:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:51:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:51:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 13:51:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 13:51:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 13:51:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 13:51:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:51:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 13:51:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:51:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 13:51:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:51:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 13:51:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:51:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 13:51:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 13:51:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:51:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:51:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 13:51:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-12-13 13:51:30,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:51:30,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249961957] [2022-12-13 13:51:30,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249961957] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:51:30,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:51:30,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:51:30,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274041204] [2022-12-13 13:51:30,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:51:30,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:51:30,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:51:30,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:51:30,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:51:30,396 INFO L87 Difference]: Start difference. First operand 310047 states and 456334 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:52:01,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:52:01,178 INFO L93 Difference]: Finished difference Result 665551 states and 978817 transitions. [2022-12-13 13:52:01,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:52:01,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 301 [2022-12-13 13:52:01,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:52:02,556 INFO L225 Difference]: With dead ends: 665551 [2022-12-13 13:52:02,557 INFO L226 Difference]: Without dead ends: 355507 [2022-12-13 13:52:03,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:52:03,311 INFO L413 NwaCegarLoop]: 5311 mSDtfsCounter, 2446 mSDsluCounter, 6428 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2724 SdHoareTripleChecker+Valid, 11739 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 786 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 13:52:03,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2724 Valid, 11739 Invalid, 3475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [786 Valid, 2689 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 13:52:03,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355507 states. [2022-12-13 13:52:31,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355507 to 343291. [2022-12-13 13:52:31,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343291 states, 255785 states have (on average 1.4160838203960358) internal successors, (362213), 259445 states have internal predecessors, (362213), 71005 states have call successors, (71005), 16501 states have call predecessors, (71005), 16500 states have return successors, (71328), 69828 states have call predecessors, (71328), 71004 states have call successors, (71328) [2022-12-13 13:52:32,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343291 states to 343291 states and 504546 transitions. [2022-12-13 13:52:32,879 INFO L78 Accepts]: Start accepts. Automaton has 343291 states and 504546 transitions. Word has length 301 [2022-12-13 13:52:32,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:52:32,880 INFO L495 AbstractCegarLoop]: Abstraction has 343291 states and 504546 transitions. [2022-12-13 13:52:32,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 13:52:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 343291 states and 504546 transitions. [2022-12-13 13:52:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-12-13 13:52:33,661 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:52:33,661 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:33,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 13:52:33,661 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:52:33,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:33,662 INFO L85 PathProgramCache]: Analyzing trace with hash 927121039, now seen corresponding path program 1 times [2022-12-13 13:52:33,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:52:33,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789508802] [2022-12-13 13:52:33,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:33,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:52:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:33,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 13:52:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:52:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 13:52:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:52:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:52:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:33,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:52:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 13:52:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:52:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 13:52:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 13:52:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 13:52:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:52:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:52:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:52:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:52:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 13:52:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:52:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:52:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:52:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 13:52:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:52:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:52:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:52:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 13:52:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:52:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:52:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:52:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 13:52:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:52:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:52:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 13:52:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:52:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:52:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-12-13 13:52:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-12-13 13:52:34,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:52:34,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789508802] [2022-12-13 13:52:34,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789508802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:52:34,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:52:34,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:52:34,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27961970] [2022-12-13 13:52:34,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:52:34,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:52:34,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:52:34,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:52:34,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:52:34,185 INFO L87 Difference]: Start difference. First operand 343291 states and 504546 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)