./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/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_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/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_759b4588-4bda-46c3-b17f-38aa2dea1a0b/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 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:56:29,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:56:29,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:56:29,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:56:29,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:56:29,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:56:29,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:56:29,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:56:29,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:56:29,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:56:29,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:56:29,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:56:29,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:56:29,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:56:29,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:56:29,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:56:29,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:56:29,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:56:29,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:56:29,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:56:29,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:56:29,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:56:29,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:56:29,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:56:29,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:56:29,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:56:29,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:56:29,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:56:29,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:56:29,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:56:29,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:56:29,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:56:29,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:56:29,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:56:29,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:56:29,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:56:29,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:56:29,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:56:29,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:56:29,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:56:29,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:56:29,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 16:56:29,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:56:29,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:56:29,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:56:29,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:56:29,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:56:29,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:56:29,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:56:29,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:56:29,362 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:56:29,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:56:29,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:56:29,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:56:29,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:56:29,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:56:29,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:56:29,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:56:29,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:56:29,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:56:29,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:56:29,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:56:29,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:56:29,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:56:29,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:56:29,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:56:29,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:56:29,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:56:29,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:56:29,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:56:29,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:56:29,365 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:56:29,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:56:29,366 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:56:29,366 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_759b4588-4bda-46c3-b17f-38aa2dea1a0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 [2022-12-13 16:56:29,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:56:29,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:56:29,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:56:29,613 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:56:29,613 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:56:29,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2022-12-13 16:56:32,252 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:56:32,587 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:56:32,588 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2022-12-13 16:56:32,610 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/data/3c201288b/a4ec2df4b36744fc9d58ae64d085d417/FLAG2b133378e [2022-12-13 16:56:32,624 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/data/3c201288b/a4ec2df4b36744fc9d58ae64d085d417 [2022-12-13 16:56:32,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:56:32,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:56:32,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:56:32,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:56:32,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:56:32,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:56:32" (1/1) ... [2022-12-13 16:56:32,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172f798f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:32, skipping insertion in model container [2022-12-13 16:56:32,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:56:32" (1/1) ... [2022-12-13 16:56:32,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:56:32,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:56:33,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,669 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:33,759 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 16:56:33,767 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 16:56:33,776 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 16:56:33,798 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 16:56:33,871 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:56:33,872 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:56:33,872 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 16:56:33,877 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:56:33,878 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:56:33,878 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 16:56:33,887 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 16:56:34,022 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 16:56:34,034 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 16:56:34,133 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,136 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,143 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,145 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,146 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,148 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,150 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,152 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,153 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,153 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,154 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,156 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,158 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:56:34,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,160 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,164 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,164 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,165 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,167 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:56:34,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,173 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 16:56:34,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,174 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 16:56:34,176 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 16:56:34,187 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 16:56:34,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,188 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 16:56:34,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,189 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-13 16:56:34,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,191 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 16:56:34,192 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 16:56:34,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,198 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:56:34,199 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 16:56:34,199 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 16:56:34,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,205 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-13 16:56:34,205 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 16:56:34,205 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 16:56:34,207 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,210 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 16:56:34,218 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:56:34,218 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:56:34,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,240 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:56:34,242 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:56:34,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,266 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:56:34,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,274 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,278 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 16:56:34,308 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 16:56:34,309 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-13 16:56:34,310 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-13 16:56:34,310 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-13 16:56:34,311 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-12-13 16:56:34,312 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-12-13 16:56:34,314 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 16:56:34,314 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 16:56:34,317 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 16:56:34,318 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 16:56:34,318 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 16:56:34,319 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 16:56:34,320 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 16:56:34,320 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 16:56:34,321 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 16:56:34,367 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-13 16:56:34,368 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-13 16:56:34,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,369 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-13 16:56:34,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,371 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:56:34,378 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_759b4588-4bda-46c3-b17f-38aa2dea1a0b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2022-12-13 16:56:34,403 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 16:56:34,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:56:34,448 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:56:34,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,606 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,607 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,610 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 16:56:34,610 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 16:56:34,611 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 16:56:34,611 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 16:56:34,612 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:56:34,613 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:56:34,613 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 16:56:34,613 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 16:56:34,614 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:56:34,614 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 16:56:34,615 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 16:56:34,618 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 16:56:34,619 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 16:56:34,623 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,624 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,630 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,631 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,633 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,634 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,634 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 16:56:34,636 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,637 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,638 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,638 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,639 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,640 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,641 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:56:34,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,642 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,644 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,645 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,647 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:56:34,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,651 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 16:56:34,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,652 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 16:56:34,653 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 16:56:34,655 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 16:56:34,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,655 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 16:56:34,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,656 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-13 16:56:34,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,660 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 16:56:34,660 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 16:56:34,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,663 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:56:34,664 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 16:56:34,664 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 16:56:34,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,665 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-13 16:56:34,665 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 16:56:34,665 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 16:56:34,666 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,669 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 16:56:34,675 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:56:34,676 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:56:34,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,692 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:56:34,697 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 16:56:34,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,736 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 16:56:34,769 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,775 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 16:56:34,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,784 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 16:56:34,790 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 16:56:34,791 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-13 16:56:34,791 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-13 16:56:34,792 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-13 16:56:34,793 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-12-13 16:56:34,793 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-12-13 16:56:34,794 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 16:56:34,795 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 16:56:34,798 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 16:56:34,798 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 16:56:34,799 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 16:56:34,800 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 16:56:34,800 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 16:56:34,800 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 16:56:34,801 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 16:56:34,815 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-13 16:56:34,820 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-13 16:56:34,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,828 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-13 16:56:34,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:56:34,841 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 16:56:34,844 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_759b4588-4bda-46c3-b17f-38aa2dea1a0b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2022-12-13 16:56:34,845 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 16:56:34,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:56:34,911 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:56:34,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34 WrapperNode [2022-12-13 16:56:34,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:56:34,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:56:34,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:56:34,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:56:34,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:34,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,075 INFO L138 Inliner]: procedures = 274, calls = 2121, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4378 [2022-12-13 16:56:35,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:56:35,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:56:35,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:56:35,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:56:35,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:56:35,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:56:35,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:56:35,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:56:35,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (1/1) ... [2022-12-13 16:56:35,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:56:35,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:56:35,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:56:35,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:56:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-12-13 16:56:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-12-13 16:56:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-12-13 16:56:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-12-13 16:56:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 16:56:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 16:56:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 16:56:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 16:56:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 16:56:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 16:56:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 16:56:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 16:56:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-12-13 16:56:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-12-13 16:56:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-12-13 16:56:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-12-13 16:56:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 16:56:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 16:56:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 16:56:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 16:56:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 16:56:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 16:56:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-12-13 16:56:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-12-13 16:56:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-12-13 16:56:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-12-13 16:56:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 16:56:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 16:56:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 16:56:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 16:56:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 16:56:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 16:56:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-12-13 16:56:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-12-13 16:56:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 16:56:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 16:56:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 16:56:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 16:56:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-12-13 16:56:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-12-13 16:56:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2022-12-13 16:56:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2022-12-13 16:56:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-12-13 16:56:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-12-13 16:56:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-12-13 16:56:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-12-13 16:56:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-12-13 16:56:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-12-13 16:56:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 16:56:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 16:56:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2022-12-13 16:56:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2022-12-13 16:56:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:56:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-12-13 16:56:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-12-13 16:56:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-12-13 16:56:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-12-13 16:56:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-12-13 16:56:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-12-13 16:56:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 16:56:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 16:56:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 16:56:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-13 16:56:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-13 16:56:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 16:56:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 16:56:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-12-13 16:56:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-12-13 16:56:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:56:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-12-13 16:56:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-12-13 16:56:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 16:56:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-13 16:56:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-13 16:56:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-13 16:56:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-13 16:56:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 16:56:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 16:56:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-12-13 16:56:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-12-13 16:56:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 16:56:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 16:56:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-12-13 16:56:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-12-13 16:56:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-12-13 16:56:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-12-13 16:56:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-12-13 16:56:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-12-13 16:56:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-12-13 16:56:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-12-13 16:56:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 16:56:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 16:56:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-12-13 16:56:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-12-13 16:56:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:56:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 16:56:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 16:56:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-12-13 16:56:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-12-13 16:56:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 16:56:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 16:56:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 16:56:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 16:56:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-12-13 16:56:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-12-13 16:56:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-12-13 16:56:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-12-13 16:56:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:56:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 16:56:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 16:56:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 16:56:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 16:56:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-13 16:56:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-13 16:56:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 16:56:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 16:56:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-12-13 16:56:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-12-13 16:56:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2022-12-13 16:56:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2022-12-13 16:56:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 16:56:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 16:56:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-12-13 16:56:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-12-13 16:56:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-12-13 16:56:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-12-13 16:56:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-12-13 16:56:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-12-13 16:56:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 16:56:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 16:56:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 16:56:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-13 16:56:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-13 16:56:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:56:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 16:56:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 16:56:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 16:56:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-12-13 16:56:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-12-13 16:56:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 16:56:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 16:56:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-12-13 16:56:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-12-13 16:56:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 16:56:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 16:56:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 16:56:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 16:56:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-12-13 16:56:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-12-13 16:56:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 16:56:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 16:56:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-12-13 16:56:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-12-13 16:56:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-12-13 16:56:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-12-13 16:56:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:56:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-12-13 16:56:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-12-13 16:56:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 16:56:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 16:56:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-12-13 16:56:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-12-13 16:56:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-13 16:56:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-13 16:56:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:56:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:56:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-12-13 16:56:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-12-13 16:56:35,785 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:56:35,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:56:36,680 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 16:56:42,066 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:56:42,087 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:56:42,087 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:56:42,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:56:42 BoogieIcfgContainer [2022-12-13 16:56:42,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:56:42,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:56:42,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:56:42,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:56:42,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:56:32" (1/3) ... [2022-12-13 16:56:42,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16331b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:56:42, skipping insertion in model container [2022-12-13 16:56:42,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:56:34" (2/3) ... [2022-12-13 16:56:42,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16331b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:56:42, skipping insertion in model container [2022-12-13 16:56:42,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:56:42" (3/3) ... [2022-12-13 16:56:42,099 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2022-12-13 16:56:42,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:56:42,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 16:56:42,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:56:42,182 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;@d0cb74c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:56:42,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 16:56:42,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 1808 states, 1168 states have (on average 1.3261986301369864) internal successors, (1549), 1216 states have internal predecessors, (1549), 563 states have call successors, (563), 76 states have call predecessors, (563), 75 states have return successors, (557), 542 states have call predecessors, (557), 557 states have call successors, (557) [2022-12-13 16:56:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 16:56:42,205 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:56:42,206 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 16:56:42,206 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:56:42,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:56:42,210 INFO L85 PathProgramCache]: Analyzing trace with hash 459879327, now seen corresponding path program 1 times [2022-12-13 16:56:42,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:56:42,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637635319] [2022-12-13 16:56:42,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:56:42,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:56:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:56:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:56:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:56:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:56:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:56:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:56:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:56:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:56:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:42,787 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-13 16:56:42,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:56:42,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637635319] [2022-12-13 16:56:42,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637635319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:56:42,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:56:42,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:56:42,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759085108] [2022-12-13 16:56:42,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:56:42,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:56:42,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:56:42,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:56:42,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:56:42,820 INFO L87 Difference]: Start difference. First operand has 1808 states, 1168 states have (on average 1.3261986301369864) internal successors, (1549), 1216 states have internal predecessors, (1549), 563 states have call successors, (563), 76 states have call predecessors, (563), 75 states have return successors, (557), 542 states have call predecessors, (557), 557 states have call successors, (557) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:56:47,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:56:49,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:56:52,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:56:54,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:56:54,110 INFO L93 Difference]: Finished difference Result 3824 states and 5814 transitions. [2022-12-13 16:56:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:56:54,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2022-12-13 16:56:54,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:56:54,135 INFO L225 Difference]: With dead ends: 3824 [2022-12-13 16:56:54,135 INFO L226 Difference]: Without dead ends: 2004 [2022-12-13 16:56:54,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:56:54,152 INFO L413 NwaCegarLoop]: 2010 mSDtfsCounter, 1355 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 2540 mSolverCounterSat, 1558 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 3544 SdHoareTripleChecker+Invalid, 4101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1558 IncrementalHoareTripleChecker+Valid, 2540 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:56:54,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 3544 Invalid, 4101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1558 Valid, 2540 Invalid, 3 Unknown, 0 Unchecked, 11.0s Time] [2022-12-13 16:56:54,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2022-12-13 16:56:54,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1791. [2022-12-13 16:56:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1791 states, 1159 states have (on average 1.3201035375323555) internal successors, (1530), 1199 states have internal predecessors, (1530), 557 states have call successors, (557), 75 states have call predecessors, (557), 74 states have return successors, (556), 541 states have call predecessors, (556), 556 states have call successors, (556) [2022-12-13 16:56:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2643 transitions. [2022-12-13 16:56:54,298 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2643 transitions. Word has length 92 [2022-12-13 16:56:54,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:56:54,298 INFO L495 AbstractCegarLoop]: Abstraction has 1791 states and 2643 transitions. [2022-12-13 16:56:54,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:56:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2643 transitions. [2022-12-13 16:56:54,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 16:56:54,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:56:54,302 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 16:56:54,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:56:54,302 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:56:54,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:56:54,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1995309989, now seen corresponding path program 1 times [2022-12-13 16:56:54,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:56:54,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913020272] [2022-12-13 16:56:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:56:54,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:56:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:56:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:56:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:56:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:56:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:56:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:56:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:56:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:56:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:56:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:56:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-13 16:56:54,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:56:54,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913020272] [2022-12-13 16:56:54,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913020272] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:56:54,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:56:54,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 16:56:54,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454985562] [2022-12-13 16:56:54,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:56:54,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:56:54,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:56:54,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:56:54,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:56:54,578 INFO L87 Difference]: Start difference. First operand 1791 states and 2643 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 16:57:00,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:02,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:09,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:57:09,375 INFO L93 Difference]: Finished difference Result 5677 states and 8614 transitions. [2022-12-13 16:57:09,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:57:09,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 92 [2022-12-13 16:57:09,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:57:09,398 INFO L225 Difference]: With dead ends: 5677 [2022-12-13 16:57:09,398 INFO L226 Difference]: Without dead ends: 3904 [2022-12-13 16:57:09,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:57:09,408 INFO L413 NwaCegarLoop]: 2626 mSDtfsCounter, 4421 mSDsluCounter, 4368 mSDsCounter, 0 mSdLazyCounter, 6097 mSolverCounterSat, 3113 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4751 SdHoareTripleChecker+Valid, 6994 SdHoareTripleChecker+Invalid, 9212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3113 IncrementalHoareTripleChecker+Valid, 6097 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-12-13 16:57:09,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4751 Valid, 6994 Invalid, 9212 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3113 Valid, 6097 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2022-12-13 16:57:09,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2022-12-13 16:57:09,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 3477. [2022-12-13 16:57:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3477 states, 2242 states have (on average 1.3215878679750224) internal successors, (2963), 2320 states have internal predecessors, (2963), 1087 states have call successors, (1087), 148 states have call predecessors, (1087), 147 states have return successors, (1086), 1056 states have call predecessors, (1086), 1086 states have call successors, (1086) [2022-12-13 16:57:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 5136 transitions. [2022-12-13 16:57:09,584 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 5136 transitions. Word has length 92 [2022-12-13 16:57:09,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:57:09,585 INFO L495 AbstractCegarLoop]: Abstraction has 3477 states and 5136 transitions. [2022-12-13 16:57:09,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 16:57:09,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 5136 transitions. [2022-12-13 16:57:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 16:57:09,594 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:57:09,594 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:57:09,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:57:09,595 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:57:09,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:57:09,596 INFO L85 PathProgramCache]: Analyzing trace with hash 175641996, now seen corresponding path program 1 times [2022-12-13 16:57:09,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:57:09,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090347594] [2022-12-13 16:57:09,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:57:09,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:57:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:57:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:57:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:57:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:57:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:57:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 16:57:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:10,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 16:57:10,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:57:10,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090347594] [2022-12-13 16:57:10,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090347594] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:57:10,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:57:10,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 16:57:10,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93043290] [2022-12-13 16:57:10,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:57:10,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:57:10,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:57:10,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:57:10,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:57:10,061 INFO L87 Difference]: Start difference. First operand 3477 states and 5136 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:57:14,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:15,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:17,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:19,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:25,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:57:25,600 INFO L93 Difference]: Finished difference Result 6476 states and 9955 transitions. [2022-12-13 16:57:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:57:25,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 122 [2022-12-13 16:57:25,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:57:25,639 INFO L225 Difference]: With dead ends: 6476 [2022-12-13 16:57:25,639 INFO L226 Difference]: Without dead ends: 6473 [2022-12-13 16:57:25,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:57:25,642 INFO L413 NwaCegarLoop]: 2835 mSDtfsCounter, 3491 mSDsluCounter, 4313 mSDsCounter, 0 mSdLazyCounter, 6223 mSolverCounterSat, 2446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3731 SdHoareTripleChecker+Valid, 7148 SdHoareTripleChecker+Invalid, 8669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2446 IncrementalHoareTripleChecker+Valid, 6223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:57:25,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3731 Valid, 7148 Invalid, 8669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2446 Valid, 6223 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2022-12-13 16:57:25,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6473 states. [2022-12-13 16:57:25,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6473 to 5812. [2022-12-13 16:57:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 3735 states have (on average 1.3151271753681393) internal successors, (4912), 3877 states have internal predecessors, (4912), 1815 states have call successors, (1815), 258 states have call predecessors, (1815), 261 states have return successors, (1901), 1758 states have call predecessors, (1901), 1814 states have call successors, (1901) [2022-12-13 16:57:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 8628 transitions. [2022-12-13 16:57:25,897 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 8628 transitions. Word has length 122 [2022-12-13 16:57:25,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:57:25,897 INFO L495 AbstractCegarLoop]: Abstraction has 5812 states and 8628 transitions. [2022-12-13 16:57:25,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:57:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 8628 transitions. [2022-12-13 16:57:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-12-13 16:57:25,909 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:57:25,909 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 16:57:25,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:57:25,909 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:57:25,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:57:25,909 INFO L85 PathProgramCache]: Analyzing trace with hash -820895175, now seen corresponding path program 1 times [2022-12-13 16:57:25,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:57:25,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676288486] [2022-12-13 16:57:25,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:57:25,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:57:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:57:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:57:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:57:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:57:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:57:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 16:57:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 16:57:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 16:57:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 16:57:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 16:57:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 16:57:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 16:57:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 16:57:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 16:57:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:57:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 16:57:26,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:57:26,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676288486] [2022-12-13 16:57:26,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676288486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:57:26,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:57:26,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:57:26,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881650086] [2022-12-13 16:57:26,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:57:26,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:57:26,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:57:26,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:57:26,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:57:26,502 INFO L87 Difference]: Start difference. First operand 5812 states and 8628 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 16:57:32,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:33,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:57:43,415 INFO L93 Difference]: Finished difference Result 18990 states and 29006 transitions. [2022-12-13 16:57:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 16:57:43,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 182 [2022-12-13 16:57:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:57:43,498 INFO L225 Difference]: With dead ends: 18990 [2022-12-13 16:57:43,498 INFO L226 Difference]: Without dead ends: 13210 [2022-12-13 16:57:43,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 16:57:43,532 INFO L413 NwaCegarLoop]: 1636 mSDtfsCounter, 6852 mSDsluCounter, 5570 mSDsCounter, 0 mSdLazyCounter, 11722 mSolverCounterSat, 5880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7311 SdHoareTripleChecker+Valid, 7206 SdHoareTripleChecker+Invalid, 17602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5880 IncrementalHoareTripleChecker+Valid, 11722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:57:43,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7311 Valid, 7206 Invalid, 17602 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5880 Valid, 11722 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-12-13 16:57:43,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13210 states. [2022-12-13 16:57:44,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13210 to 12115. [2022-12-13 16:57:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12115 states, 7785 states have (on average 1.3102119460500963) internal successors, (10200), 8069 states have internal predecessors, (10200), 3777 states have call successors, (3777), 513 states have call predecessors, (3777), 552 states have return successors, (4166), 3700 states have call predecessors, (4166), 3776 states have call successors, (4166) [2022-12-13 16:57:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12115 states to 12115 states and 18143 transitions. [2022-12-13 16:57:44,239 INFO L78 Accepts]: Start accepts. Automaton has 12115 states and 18143 transitions. Word has length 182 [2022-12-13 16:57:44,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:57:44,240 INFO L495 AbstractCegarLoop]: Abstraction has 12115 states and 18143 transitions. [2022-12-13 16:57:44,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 16:57:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 12115 states and 18143 transitions. [2022-12-13 16:57:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-13 16:57:44,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:57:44,255 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 16:57:44,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:57:44,255 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:57:44,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:57:44,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1914547851, now seen corresponding path program 1 times [2022-12-13 16:57:44,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:57:44,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352734144] [2022-12-13 16:57:44,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:57:44,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:57:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:57:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:57:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:57:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:57:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:57:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:57:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 16:57:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 16:57:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 16:57:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 16:57:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 16:57:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 16:57:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 16:57:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 16:57:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 16:57:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:57:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:57:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:57:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 16:57:44,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:57:44,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352734144] [2022-12-13 16:57:44,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352734144] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:57:44,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:57:44,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:57:44,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068411708] [2022-12-13 16:57:44,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:57:44,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:57:44,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:57:44,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:57:44,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:57:44,841 INFO L87 Difference]: Start difference. First operand 12115 states and 18143 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 16:57:51,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:57:53,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:02,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:58:02,551 INFO L93 Difference]: Finished difference Result 38431 states and 58901 transitions. [2022-12-13 16:58:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 16:58:02,552 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 179 [2022-12-13 16:58:02,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:58:02,709 INFO L225 Difference]: With dead ends: 38431 [2022-12-13 16:58:02,709 INFO L226 Difference]: Without dead ends: 26348 [2022-12-13 16:58:02,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 16:58:02,766 INFO L413 NwaCegarLoop]: 1675 mSDtfsCounter, 6794 mSDsluCounter, 5701 mSDsCounter, 0 mSdLazyCounter, 11910 mSolverCounterSat, 5755 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7251 SdHoareTripleChecker+Valid, 7376 SdHoareTripleChecker+Invalid, 17667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5755 IncrementalHoareTripleChecker+Valid, 11910 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:58:02,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7251 Valid, 7376 Invalid, 17667 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5755 Valid, 11910 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2022-12-13 16:58:02,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26348 states. [2022-12-13 16:58:03,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26348 to 24139. [2022-12-13 16:58:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24139 states, 15493 states have (on average 1.3084618860130381) internal successors, (20272), 16075 states have internal predecessors, (20272), 7543 states have call successors, (7543), 1023 states have call predecessors, (7543), 1102 states have return successors, (8388), 7376 states have call predecessors, (8388), 7542 states have call successors, (8388) [2022-12-13 16:58:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24139 states to 24139 states and 36203 transitions. [2022-12-13 16:58:04,123 INFO L78 Accepts]: Start accepts. Automaton has 24139 states and 36203 transitions. Word has length 179 [2022-12-13 16:58:04,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:58:04,124 INFO L495 AbstractCegarLoop]: Abstraction has 24139 states and 36203 transitions. [2022-12-13 16:58:04,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 16:58:04,124 INFO L276 IsEmpty]: Start isEmpty. Operand 24139 states and 36203 transitions. [2022-12-13 16:58:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 16:58:04,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:58:04,141 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 16:58:04,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 16:58:04,141 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:58:04,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:58:04,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2123129742, now seen corresponding path program 1 times [2022-12-13 16:58:04,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:58:04,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667060208] [2022-12-13 16:58:04,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:58:04,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:58:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:58:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:58:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:58:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:58:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:58:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:58:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:58:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:58:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 16:58:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 16:58:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 16:58:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:58:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 16:58:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 16:58:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:58:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 16:58:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 16:58:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:58:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 16:58:04,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:58:04,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667060208] [2022-12-13 16:58:04,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667060208] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:58:04,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:58:04,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:58:04,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419590649] [2022-12-13 16:58:04,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:58:04,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:58:04,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:58:04,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:58:04,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:58:04,631 INFO L87 Difference]: Start difference. First operand 24139 states and 36203 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 16:58:10,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:12,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:22,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:58:22,935 INFO L93 Difference]: Finished difference Result 76731 states and 117619 transitions. [2022-12-13 16:58:22,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 16:58:22,937 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 181 [2022-12-13 16:58:22,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:58:23,230 INFO L225 Difference]: With dead ends: 76731 [2022-12-13 16:58:23,230 INFO L226 Difference]: Without dead ends: 52624 [2022-12-13 16:58:23,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 16:58:23,347 INFO L413 NwaCegarLoop]: 1641 mSDtfsCounter, 6843 mSDsluCounter, 5576 mSDsCounter, 0 mSdLazyCounter, 11775 mSolverCounterSat, 5867 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7301 SdHoareTripleChecker+Valid, 7217 SdHoareTripleChecker+Invalid, 17643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5867 IncrementalHoareTripleChecker+Valid, 11775 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-12-13 16:58:23,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7301 Valid, 7217 Invalid, 17643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5867 Valid, 11775 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time] [2022-12-13 16:58:23,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52624 states. [2022-12-13 16:58:25,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52624 to 48247. [2022-12-13 16:58:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48247 states, 30969 states have (on average 1.3075010494365333) internal successors, (40492), 32129 states have internal predecessors, (40492), 15073 states have call successors, (15073), 2045 states have call predecessors, (15073), 2204 states have return successors, (16866), 14744 states have call predecessors, (16866), 15072 states have call successors, (16866) [2022-12-13 16:58:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48247 states to 48247 states and 72431 transitions. [2022-12-13 16:58:25,766 INFO L78 Accepts]: Start accepts. Automaton has 48247 states and 72431 transitions. Word has length 181 [2022-12-13 16:58:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:58:25,767 INFO L495 AbstractCegarLoop]: Abstraction has 48247 states and 72431 transitions. [2022-12-13 16:58:25,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 16:58:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 48247 states and 72431 transitions. [2022-12-13 16:58:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-12-13 16:58:25,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:58:25,781 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 16:58:25,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 16:58:25,781 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:58:25,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:58:25,781 INFO L85 PathProgramCache]: Analyzing trace with hash 413102428, now seen corresponding path program 1 times [2022-12-13 16:58:25,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:58:25,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705703533] [2022-12-13 16:58:25,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:58:25,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:58:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:58:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:58:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:58:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:58:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:58:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:58:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:58:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:58:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 16:58:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 16:58:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 16:58:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:58:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 16:58:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 16:58:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 16:58:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 16:58:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 16:58:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:58:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:58:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 16:58:26,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:58:26,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705703533] [2022-12-13 16:58:26,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705703533] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:58:26,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:58:26,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:58:26,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393023319] [2022-12-13 16:58:26,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:58:26,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:58:26,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:58:26,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:58:26,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:58:26,153 INFO L87 Difference]: Start difference. First operand 48247 states and 72431 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 16:58:31,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:33,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:43,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:46,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:58:53,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:58:53,734 INFO L93 Difference]: Finished difference Result 152517 states and 233937 transitions. [2022-12-13 16:58:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 16:58:53,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 180 [2022-12-13 16:58:53,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:58:54,360 INFO L225 Difference]: With dead ends: 152517 [2022-12-13 16:58:54,361 INFO L226 Difference]: Without dead ends: 104302 [2022-12-13 16:58:54,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 16:58:54,657 INFO L413 NwaCegarLoop]: 1647 mSDtfsCounter, 6520 mSDsluCounter, 6109 mSDsCounter, 0 mSdLazyCounter, 13415 mSolverCounterSat, 5755 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6974 SdHoareTripleChecker+Valid, 7756 SdHoareTripleChecker+Invalid, 19174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5755 IncrementalHoareTripleChecker+Valid, 13415 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-12-13 16:58:54,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6974 Valid, 7756 Invalid, 19174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5755 Valid, 13415 Invalid, 4 Unknown, 0 Unchecked, 22.8s Time] [2022-12-13 16:58:54,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104302 states. [2022-12-13 16:58:58,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104302 to 95707. [2022-12-13 16:58:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95707 states, 61357 states have (on average 1.3056049024561174) internal successors, (80108), 63653 states have internal predecessors, (80108), 29961 states have call successors, (29961), 4069 states have call predecessors, (29961), 4388 states have return successors, (33712), 29314 states have call predecessors, (33712), 29960 states have call successors, (33712) [2022-12-13 16:58:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95707 states to 95707 states and 143781 transitions. [2022-12-13 16:58:59,821 INFO L78 Accepts]: Start accepts. Automaton has 95707 states and 143781 transitions. Word has length 180 [2022-12-13 16:58:59,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:58:59,821 INFO L495 AbstractCegarLoop]: Abstraction has 95707 states and 143781 transitions. [2022-12-13 16:58:59,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 16:58:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 95707 states and 143781 transitions. [2022-12-13 16:58:59,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 16:58:59,846 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:58:59,846 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:58:59,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 16:58:59,846 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:58:59,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:58:59,847 INFO L85 PathProgramCache]: Analyzing trace with hash -955792019, now seen corresponding path program 1 times [2022-12-13 16:58:59,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:58:59,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952359534] [2022-12-13 16:58:59,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:58:59,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:58:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:59:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:59:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:59:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:59:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:59:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 16:59:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 16:59:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 16:59:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 16:59:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 16:59:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 16:59:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 16:59:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 16:59:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 16:59:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 16:59:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:59:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-12-13 16:59:00,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:59:00,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952359534] [2022-12-13 16:59:00,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952359534] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:59:00,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794022191] [2022-12-13 16:59:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:00,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:59:00,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:59:00,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:59:00,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:59:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:01,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 2364 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:59:01,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:59:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 16:59:01,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:59:01,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794022191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:59:01,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:59:01,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-12-13 16:59:01,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818990550] [2022-12-13 16:59:01,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:59:01,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:59:01,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:59:01,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:59:01,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 16:59:01,244 INFO L87 Difference]: Start difference. First operand 95707 states and 143781 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 16:59:08,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:59:08,168 INFO L93 Difference]: Finished difference Result 239245 states and 359693 transitions. [2022-12-13 16:59:08,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:59:08,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 192 [2022-12-13 16:59:08,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:59:09,063 INFO L225 Difference]: With dead ends: 239245 [2022-12-13 16:59:09,063 INFO L226 Difference]: Without dead ends: 143570 [2022-12-13 16:59:09,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-12-13 16:59:09,557 INFO L413 NwaCegarLoop]: 3791 mSDtfsCounter, 2668 mSDsluCounter, 17779 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2672 SdHoareTripleChecker+Valid, 21570 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:59:09,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2672 Valid, 21570 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:59:09,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143570 states. [2022-12-13 16:59:16,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143570 to 143275. [2022-12-13 16:59:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143275 states, 91853 states have (on average 1.306021577956082) internal successors, (119962), 95309 states have internal predecessors, (119962), 44841 states have call successors, (44841), 6085 states have call predecessors, (44841), 6580 states have return successors, (50800), 43868 states have call predecessors, (50800), 44840 states have call successors, (50800) [2022-12-13 16:59:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143275 states to 143275 states and 215603 transitions. [2022-12-13 16:59:17,331 INFO L78 Accepts]: Start accepts. Automaton has 143275 states and 215603 transitions. Word has length 192 [2022-12-13 16:59:17,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:59:17,332 INFO L495 AbstractCegarLoop]: Abstraction has 143275 states and 215603 transitions. [2022-12-13 16:59:17,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 16:59:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 143275 states and 215603 transitions. [2022-12-13 16:59:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-13 16:59:17,354 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:59:17,354 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 16:59:17,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:59:17,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:59:17,556 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:59:17,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:59:17,558 INFO L85 PathProgramCache]: Analyzing trace with hash 678167425, now seen corresponding path program 1 times [2022-12-13 16:59:17,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:59:17,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10931361] [2022-12-13 16:59:17,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:17,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:59:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:59:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:59:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:59:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:59:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:17,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:59:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 16:59:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 16:59:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:59:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 16:59:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 16:59:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:59:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 16:59:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 16:59:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 16:59:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 16:59:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:59:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 16:59:18,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:59:18,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10931361] [2022-12-13 16:59:18,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10931361] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:59:18,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603569179] [2022-12-13 16:59:18,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:18,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:59:18,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:59:18,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:59:18,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 16:59:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:18,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 2366 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:59:18,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:59:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 16:59:18,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:59:18,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603569179] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:59:18,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:59:18,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 16:59:18,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191949357] [2022-12-13 16:59:18,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:59:18,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:59:18,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:59:18,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:59:18,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:59:18,727 INFO L87 Difference]: Start difference. First operand 143275 states and 215603 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 16:59:26,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:59:26,709 INFO L93 Difference]: Finished difference Result 334487 states and 503429 transitions. [2022-12-13 16:59:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:59:26,710 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 193 [2022-12-13 16:59:26,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:59:27,912 INFO L225 Difference]: With dead ends: 334487 [2022-12-13 16:59:27,912 INFO L226 Difference]: Without dead ends: 191244 [2022-12-13 16:59:28,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 16:59:28,931 INFO L413 NwaCegarLoop]: 3820 mSDtfsCounter, 2668 mSDsluCounter, 17883 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2672 SdHoareTripleChecker+Valid, 21703 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:59:28,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2672 Valid, 21703 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:59:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191244 states. [2022-12-13 16:59:36,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191244 to 190907. [2022-12-13 16:59:36,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190907 states, 122389 states have (on average 1.306130452900179) internal successors, (159856), 127037 states have internal predecessors, (159856), 59721 states have call successors, (59721), 8101 states have call predecessors, (59721), 8796 states have return successors, (67912), 58414 states have call predecessors, (67912), 59720 states have call successors, (67912) [2022-12-13 16:59:38,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190907 states to 190907 states and 287489 transitions. [2022-12-13 16:59:38,652 INFO L78 Accepts]: Start accepts. Automaton has 190907 states and 287489 transitions. Word has length 193 [2022-12-13 16:59:38,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:59:38,652 INFO L495 AbstractCegarLoop]: Abstraction has 190907 states and 287489 transitions. [2022-12-13 16:59:38,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 16:59:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 190907 states and 287489 transitions. [2022-12-13 16:59:38,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-12-13 16:59:38,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:59:38,682 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 16:59:38,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 16:59:38,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:59:38,883 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:59:38,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:59:38,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2005198138, now seen corresponding path program 1 times [2022-12-13 16:59:38,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:59:38,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960845942] [2022-12-13 16:59:38,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:38,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:59:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:59:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 16:59:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 16:59:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:59:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 16:59:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 16:59:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 16:59:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 16:59:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:59:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 16:59:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 16:59:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 16:59:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 16:59:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 16:59:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 16:59:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 16:59:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:59:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 16:59:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 16:59:39,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:59:39,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960845942] [2022-12-13 16:59:39,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960845942] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:59:39,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077052638] [2022-12-13 16:59:39,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:39,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:59:39,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:59:39,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:59:39,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 16:59:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:39,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:59:39,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:59:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 16:59:40,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:59:40,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077052638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:59:40,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:59:40,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 16:59:40,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164404179] [2022-12-13 16:59:40,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:59:40,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:59:40,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:59:40,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:59:40,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:59:40,003 INFO L87 Difference]: Start difference. First operand 190907 states and 287489 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 16:59:50,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:59:50,595 INFO L93 Difference]: Finished difference Result 429729 states and 647165 transitions. [2022-12-13 16:59:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:59:50,596 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 194 [2022-12-13 16:59:50,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:59:52,565 INFO L225 Difference]: With dead ends: 429729 [2022-12-13 16:59:52,565 INFO L226 Difference]: Without dead ends: 238854 [2022-12-13 16:59:53,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 16:59:53,559 INFO L413 NwaCegarLoop]: 3825 mSDtfsCounter, 2668 mSDsluCounter, 17903 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2672 SdHoareTripleChecker+Valid, 21728 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:59:53,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2672 Valid, 21728 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:59:53,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238854 states. [2022-12-13 17:00:02,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238854 to 190951. [2022-12-13 17:00:02,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190951 states, 122421 states have (on average 1.3060504325238318) internal successors, (159888), 127073 states have internal predecessors, (159888), 59721 states have call successors, (59721), 8101 states have call predecessors, (59721), 8808 states have return successors, (67930), 58422 states have call predecessors, (67930), 59720 states have call successors, (67930) [2022-12-13 17:00:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190951 states to 190951 states and 287539 transitions. [2022-12-13 17:00:03,709 INFO L78 Accepts]: Start accepts. Automaton has 190951 states and 287539 transitions. Word has length 194 [2022-12-13 17:00:03,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:00:03,709 INFO L495 AbstractCegarLoop]: Abstraction has 190951 states and 287539 transitions. [2022-12-13 17:00:03,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 17:00:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 190951 states and 287539 transitions. [2022-12-13 17:00:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-12-13 17:00:03,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:00:03,739 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:00:03,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 17:00:03,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 17:00:03,940 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:00:03,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:00:03,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1086685446, now seen corresponding path program 1 times [2022-12-13 17:00:03,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:00:03,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592061565] [2022-12-13 17:00:03,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:00:03,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:00:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:00:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:00:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:00:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:00:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 17:00:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:00:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 17:00:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 17:00:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 17:00:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 17:00:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 17:00:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 17:00:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 17:00:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 17:00:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:00:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 17:00:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 17:00:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 17:00:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:00:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 17:00:04,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:00:04,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592061565] [2022-12-13 17:00:04,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592061565] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:00:04,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112241060] [2022-12-13 17:00:04,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:00:04,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:00:04,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:00:04,685 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:00:04,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 17:00:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:05,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 17:00:05,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:00:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-13 17:00:05,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:00:05,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112241060] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:00:05,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:00:05,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 17:00:05,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373677438] [2022-12-13 17:00:05,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:00:05,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 17:00:05,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:00:05,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 17:00:05,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 17:00:05,239 INFO L87 Difference]: Start difference. First operand 190951 states and 287539 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 17:00:15,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:00:15,695 INFO L93 Difference]: Finished difference Result 429789 states and 647231 transitions. [2022-12-13 17:00:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 17:00:15,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 195 [2022-12-13 17:00:15,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:00:17,337 INFO L225 Difference]: With dead ends: 429789 [2022-12-13 17:00:17,337 INFO L226 Difference]: Without dead ends: 238870 [2022-12-13 17:00:18,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 17:00:18,365 INFO L413 NwaCegarLoop]: 3823 mSDtfsCounter, 2668 mSDsluCounter, 17895 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2672 SdHoareTripleChecker+Valid, 21718 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:00:18,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2672 Valid, 21718 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 17:00:18,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238870 states. [2022-12-13 17:00:27,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238870 to 190977. [2022-12-13 17:00:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190977 states, 122441 states have (on average 1.3060004410287405) internal successors, (159908), 127091 states have internal predecessors, (159908), 59721 states have call successors, (59721), 8101 states have call predecessors, (59721), 8814 states have return successors, (67936), 58430 states have call predecessors, (67936), 59720 states have call successors, (67936) [2022-12-13 17:00:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190977 states to 190977 states and 287565 transitions. [2022-12-13 17:00:29,091 INFO L78 Accepts]: Start accepts. Automaton has 190977 states and 287565 transitions. Word has length 195 [2022-12-13 17:00:29,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:00:29,092 INFO L495 AbstractCegarLoop]: Abstraction has 190977 states and 287565 transitions. [2022-12-13 17:00:29,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 17:00:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 190977 states and 287565 transitions. [2022-12-13 17:00:29,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 17:00:29,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:00:29,141 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 17:00:29,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 17:00:29,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 17:00:29,343 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:00:29,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:00:29,344 INFO L85 PathProgramCache]: Analyzing trace with hash -368063727, now seen corresponding path program 1 times [2022-12-13 17:00:29,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:00:29,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776693275] [2022-12-13 17:00:29,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:00:29,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:00:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:00:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:00:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:00:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:00:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 17:00:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:00:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 17:00:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 17:00:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:00:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 17:00:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 17:00:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 17:00:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 17:00:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 17:00:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 17:00:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 17:00:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:00:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 17:00:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 17:00:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:00:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:00:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-13 17:00:29,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:00:29,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776693275] [2022-12-13 17:00:29,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776693275] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:00:29,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105326334] [2022-12-13 17:00:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:00:29,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:00:29,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:00:29,978 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:00:29,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 17:00:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:00:30,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 2441 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 17:00:30,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:00:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 17:00:30,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:00:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-12-13 17:00:30,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105326334] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:00:30,844 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:00:30,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 17:00:30,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302961308] [2022-12-13 17:00:30,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:00:30,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 17:00:30,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:00:30,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 17:00:30,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 17:00:30,847 INFO L87 Difference]: Start difference. First operand 190977 states and 287565 transitions. Second operand has 24 states, 24 states have (on average 7.375) internal successors, (177), 15 states have internal predecessors, (177), 5 states have call successors, (51), 9 states have call predecessors, (51), 7 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) [2022-12-13 17:00:46,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:01:58,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:01:58,547 INFO L93 Difference]: Finished difference Result 556117 states and 853541 transitions. [2022-12-13 17:01:58,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-12-13 17:01:58,548 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.375) internal successors, (177), 15 states have internal predecessors, (177), 5 states have call successors, (51), 9 states have call predecessors, (51), 7 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) Word has length 208 [2022-12-13 17:01:58,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:02:01,257 INFO L225 Difference]: With dead ends: 556117 [2022-12-13 17:02:01,257 INFO L226 Difference]: Without dead ends: 364780 [2022-12-13 17:02:02,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 471 SyntacticMatches, 8 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8514 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=3471, Invalid=18879, Unknown=0, NotChecked=0, Total=22350 [2022-12-13 17:02:02,682 INFO L413 NwaCegarLoop]: 2941 mSDtfsCounter, 25622 mSDsluCounter, 28634 mSDsCounter, 0 mSdLazyCounter, 95567 mSolverCounterSat, 25604 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26482 SdHoareTripleChecker+Valid, 31575 SdHoareTripleChecker+Invalid, 121172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 25604 IncrementalHoareTripleChecker+Valid, 95567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:02:02,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26482 Valid, 31575 Invalid, 121172 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [25604 Valid, 95567 Invalid, 1 Unknown, 0 Unchecked, 63.8s Time] [2022-12-13 17:02:02,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364780 states. [2022-12-13 17:02:20,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364780 to 333523. [2022-12-13 17:02:20,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333523 states, 213497 states have (on average 1.3039621165636988) internal successors, (278392), 221627 states have internal predecessors, (278392), 104675 states have call successors, (104675), 14119 states have call predecessors, (104675), 15350 states have return successors, (118320), 102352 states have call predecessors, (118320), 104674 states have call successors, (118320) [2022-12-13 17:02:23,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333523 states to 333523 states and 501387 transitions. [2022-12-13 17:02:23,334 INFO L78 Accepts]: Start accepts. Automaton has 333523 states and 501387 transitions. Word has length 208 [2022-12-13 17:02:23,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:02:23,334 INFO L495 AbstractCegarLoop]: Abstraction has 333523 states and 501387 transitions. [2022-12-13 17:02:23,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.375) internal successors, (177), 15 states have internal predecessors, (177), 5 states have call successors, (51), 9 states have call predecessors, (51), 7 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) [2022-12-13 17:02:23,335 INFO L276 IsEmpty]: Start isEmpty. Operand 333523 states and 501387 transitions. [2022-12-13 17:02:23,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-13 17:02:23,379 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:02:23,380 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 17:02:23,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 17:02:23,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:02:23,581 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:02:23,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:02:23,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1902158124, now seen corresponding path program 1 times [2022-12-13 17:02:23,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:02:23,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947759175] [2022-12-13 17:02:23,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:02:23,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:02:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:02:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:02:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:02:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:02:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 17:02:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:02:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:23,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 17:02:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 17:02:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:02:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 17:02:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:02:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:02:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 17:02:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 17:02:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:02:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 17:02:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 17:02:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 17:02:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 17:02:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:02:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:02:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-13 17:02:24,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:02:24,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947759175] [2022-12-13 17:02:24,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947759175] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:02:24,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923690079] [2022-12-13 17:02:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:02:24,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:02:24,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:02:24,150 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:02:24,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 17:02:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:02:24,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 2443 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 17:02:24,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:02:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 17:02:24,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:02:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-12-13 17:02:24,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923690079] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:02:24,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:02:24,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 17:02:24,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774221858] [2022-12-13 17:02:24,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:02:24,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 17:02:24,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:02:24,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 17:02:24,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 17:02:24,938 INFO L87 Difference]: Start difference. First operand 333523 states and 501387 transitions. Second operand has 24 states, 24 states have (on average 7.458333333333333) internal successors, (179), 15 states have internal predecessors, (179), 5 states have call successors, (51), 9 states have call predecessors, (51), 7 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) [2022-12-13 17:02:40,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:03:30,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 17:04:04,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:04:04,453 INFO L93 Difference]: Finished difference Result 952847 states and 1459931 transitions. [2022-12-13 17:04:04,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-12-13 17:04:04,454 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.458333333333333) internal successors, (179), 15 states have internal predecessors, (179), 5 states have call successors, (51), 9 states have call predecessors, (51), 7 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) Word has length 209 [2022-12-13 17:04:04,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:04:09,730 INFO L225 Difference]: With dead ends: 952847 [2022-12-13 17:04:09,731 INFO L226 Difference]: Without dead ends: 618712 [2022-12-13 17:04:12,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 473 SyntacticMatches, 8 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8723 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=3471, Invalid=18879, Unknown=0, NotChecked=0, Total=22350 [2022-12-13 17:04:12,607 INFO L413 NwaCegarLoop]: 2696 mSDtfsCounter, 22101 mSDsluCounter, 24732 mSDsCounter, 0 mSdLazyCounter, 86429 mSolverCounterSat, 20071 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22960 SdHoareTripleChecker+Valid, 27428 SdHoareTripleChecker+Invalid, 106502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 20071 IncrementalHoareTripleChecker+Valid, 86429 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:04:12,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22960 Valid, 27428 Invalid, 106502 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [20071 Valid, 86429 Invalid, 2 Unknown, 0 Unchecked, 60.1s Time] [2022-12-13 17:04:13,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618712 states. [2022-12-13 17:04:42,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618712 to 554329. [2022-12-13 17:04:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554329 states, 354355 states have (on average 1.303071778301421) internal successors, (461750), 367863 states have internal predecessors, (461750), 174445 states have call successors, (174445), 23567 states have call predecessors, (174445), 25528 states have return successors, (196158), 170484 states have call predecessors, (196158), 174444 states have call successors, (196158) [2022-12-13 17:04:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554329 states to 554329 states and 832353 transitions. [2022-12-13 17:04:48,504 INFO L78 Accepts]: Start accepts. Automaton has 554329 states and 832353 transitions. Word has length 209 [2022-12-13 17:04:48,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:04:48,504 INFO L495 AbstractCegarLoop]: Abstraction has 554329 states and 832353 transitions. [2022-12-13 17:04:48,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.458333333333333) internal successors, (179), 15 states have internal predecessors, (179), 5 states have call successors, (51), 9 states have call predecessors, (51), 7 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) [2022-12-13 17:04:48,505 INFO L276 IsEmpty]: Start isEmpty. Operand 554329 states and 832353 transitions. [2022-12-13 17:04:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-12-13 17:04:48,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:04:48,580 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 17:04:48,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 17:04:48,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:04:48,780 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:04:48,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:04:48,781 INFO L85 PathProgramCache]: Analyzing trace with hash -787624328, now seen corresponding path program 1 times [2022-12-13 17:04:48,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:04:48,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557657580] [2022-12-13 17:04:48,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:04:48,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:04:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:04:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:04:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 17:04:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:04:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 17:04:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:04:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 17:04:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 17:04:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 17:04:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 17:04:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:04:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 17:04:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 17:04:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 17:04:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 17:04:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 17:04:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 17:04:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:04:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 17:04:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:04:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 17:04:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-13 17:04:49,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:04:49,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557657580] [2022-12-13 17:04:49,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557657580] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:04:49,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795581533] [2022-12-13 17:04:49,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:04:49,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:04:49,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:04:49,490 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:04:49,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759b4588-4bda-46c3-b17f-38aa2dea1a0b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 17:04:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:50,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 2445 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 17:04:50,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:04:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 17:04:50,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:04:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-12-13 17:04:50,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795581533] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:04:50,517 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:04:50,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 17:04:50,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906480429] [2022-12-13 17:04:50,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:04:50,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 17:04:50,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:04:50,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 17:04:50,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 17:04:50,520 INFO L87 Difference]: Start difference. First operand 554329 states and 832353 transitions. Second operand has 24 states, 24 states have (on average 7.541666666666667) internal successors, (181), 15 states have internal predecessors, (181), 5 states have call successors, (51), 9 states have call predecessors, (51), 7 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42)