./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/config/TaipanReach.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_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur --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 Taipan --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-38b53e6 [2022-11-25 22:21:31,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:21:31,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:21:31,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:21:31,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:21:31,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:21:31,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:21:31,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:21:31,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:21:31,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:21:31,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:21:31,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:21:31,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:21:31,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:21:31,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:21:31,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:21:31,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:21:31,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:21:31,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:21:31,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:21:31,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:21:31,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:21:31,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:21:31,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:21:31,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:21:31,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:21:31,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:21:31,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:21:31,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:21:31,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:21:31,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:21:31,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:21:31,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:21:31,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:21:31,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:21:31,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:21:31,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:21:31,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:21:31,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:21:31,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:21:31,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:21:31,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:21:31,856 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:21:31,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:21:31,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:21:31,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:21:31,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:21:31,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:21:31,864 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:21:31,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:21:31,865 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:21:31,865 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:21:31,866 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:21:31,866 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:21:31,867 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:21:31,867 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:21:31,867 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:21:31,867 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:21:31,868 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:21:31,868 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:21:31,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:21:31,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:21:31,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:21:31,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:21:31,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:21:31,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:21:31,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:21:31,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:21:31,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:21:31,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:21:31,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:21:31,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:21:31,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:21:31,872 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:21:31,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:21:31,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:21:31,873 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:21:31,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:21:31,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:21:31,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:21:31,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 [2022-11-25 22:21:32,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:21:32,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:21:32,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:21:32,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:21:32,226 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:21:32,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/../../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 [2022-11-25 22:21:35,444 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:21:36,167 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:21:36,168 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/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 [2022-11-25 22:21:36,237 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/data/6120e93cd/ce53d1a9976242809bd8cb317aa9cb5e/FLAG110c02c7d [2022-11-25 22:21:36,265 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/data/6120e93cd/ce53d1a9976242809bd8cb317aa9cb5e [2022-11-25 22:21:36,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:21:36,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:21:36,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:21:36,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:21:36,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:21:36,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:36" (1/1) ... [2022-11-25 22:21:36,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799be77e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:36, skipping insertion in model container [2022-11-25 22:21:36,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:36" (1/1) ... [2022-11-25 22:21:36,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:21:36,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:21:38,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,252 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,254 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:38,390 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:21:38,402 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:21:38,413 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:21:38,449 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:21:38,542 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 22:21:38,543 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:21:38,543 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 22:21:38,548 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 22:21:38,550 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:21:38,550 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 22:21:38,562 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:21:38,796 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:21:38,833 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 22:21:38,995 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,005 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,039 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,040 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,043 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,045 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,050 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,052 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,052 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,053 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,054 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,065 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,068 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:21:39,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,070 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,075 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,077 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,087 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:21:39,092 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,097 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:21:39,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,101 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:21:39,110 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:21:39,123 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:21:39,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,125 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:21:39,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,127 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-11-25 22:21:39,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,134 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:21:39,135 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:21:39,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:21:39,147 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:21:39,148 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:21:39,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,156 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-11-25 22:21:39,156 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:21:39,156 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:21:39,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,172 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:21:39,183 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:21:39,185 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:21:39,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,221 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:21:39,224 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:21:39,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,258 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:21:39,269 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,271 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,280 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-25 22:21:39,320 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:21:39,322 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-25 22:21:39,323 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-25 22:21:39,325 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-11-25 22:21:39,331 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-11-25 22:21:39,332 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-11-25 22:21:39,334 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-11-25 22:21:39,335 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 22:21:39,340 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:21:39,341 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:21:39,342 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:21:39,344 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:21:39,345 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:21:39,346 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:21:39,347 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:21:39,420 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-11-25 22:21:39,421 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-11-25 22:21:39,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,429 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-11-25 22:21:39,432 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,434 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:21:39,443 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_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/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] [2022-11-25 22:21:39,478 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 22:21:39,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:21:39,556 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:21:39,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,797 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,821 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,834 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,837 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,842 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:21:39,843 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:21:39,843 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:21:39,844 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:21:39,846 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 22:21:39,847 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:21:39,847 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 22:21:39,848 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 22:21:39,848 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:21:39,848 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 22:21:39,849 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:21:39,855 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:21:39,855 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 22:21:39,861 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,864 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,871 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,872 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,874 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,876 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,876 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:21:39,878 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,879 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,880 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,881 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,882 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,883 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,885 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:21:39,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,887 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,894 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,894 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:39,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,899 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:21:39,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,906 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,907 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:21:39,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,907 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:21:39,909 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:21:39,912 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:21:39,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,913 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:21:39,914 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,914 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-11-25 22:21:39,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,980 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:21:39,980 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:21:39,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,990 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:21:39,990 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:21:39,991 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:21:39,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:39,994 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-11-25 22:21:39,994 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:21:39,995 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:21:39,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,003 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:21:40,017 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:21:40,018 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:21:40,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,066 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:21:40,081 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:21:40,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,152 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:21:40,221 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:40,229 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:21:40,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,282 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-25 22:21:40,288 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:21:40,290 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-25 22:21:40,291 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-25 22:21:40,291 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-11-25 22:21:40,292 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-11-25 22:21:40,293 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-11-25 22:21:40,295 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-11-25 22:21:40,296 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 22:21:40,299 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:21:40,299 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:21:40,300 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:21:40,301 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:21:40,301 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:21:40,302 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:21:40,303 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:21:40,321 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-11-25 22:21:40,329 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-11-25 22:21:40,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,340 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-11-25 22:21:40,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:21:40,362 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:21:40,367 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_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/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] [2022-11-25 22:21:40,370 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 22:21:40,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:21:40,484 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:21:40,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40 WrapperNode [2022-11-25 22:21:40,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:21:40,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:21:40,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:21:40,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:21:40,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:40,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:40,845 INFO L138 Inliner]: procedures = 274, calls = 2121, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4378 [2022-11-25 22:21:40,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:21:40,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:21:40,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:21:40,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:21:40,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:40,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:40,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:40,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:41,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:41,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:41,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:41,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:41,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:21:41,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:21:41,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:21:41,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:21:41,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (1/1) ... [2022-11-25 22:21:41,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:21:41,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:41,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:21:41,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:21:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-11-25 22:21:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-11-25 22:21:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-11-25 22:21:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-11-25 22:21:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 22:21:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:21:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 22:21:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 22:21:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:21:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:21:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:21:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:21:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-11-25 22:21:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-11-25 22:21:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-11-25 22:21:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-11-25 22:21:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 22:21:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 22:21:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-25 22:21:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-25 22:21:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:21:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:21:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-11-25 22:21:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-11-25 22:21:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-11-25 22:21:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-11-25 22:21:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 22:21:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 22:21:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:21:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:21:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:21:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:21:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-11-25 22:21:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-11-25 22:21:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 22:21:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 22:21:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-25 22:21:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-25 22:21:41,328 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-11-25 22:21:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-11-25 22:21:41,328 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2022-11-25 22:21:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2022-11-25 22:21:41,328 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-11-25 22:21:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-11-25 22:21:41,329 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-11-25 22:21:41,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-11-25 22:21:41,329 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-11-25 22:21:41,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-11-25 22:21:41,329 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 22:21:41,329 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 22:21:41,329 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2022-11-25 22:21:41,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2022-11-25 22:21:41,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:21:41,330 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-11-25 22:21:41,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-11-25 22:21:41,330 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-11-25 22:21:41,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-11-25 22:21:41,330 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-11-25 22:21:41,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-11-25 22:21:41,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:21:41,331 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 22:21:41,331 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 22:21:41,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-25 22:21:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-25 22:21:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 22:21:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 22:21:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-11-25 22:21:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-11-25 22:21:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:21:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-11-25 22:21:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-11-25 22:21:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:21:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 22:21:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 22:21:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-25 22:21:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-25 22:21:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 22:21:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 22:21:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-11-25 22:21:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-11-25 22:21:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 22:21:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 22:21:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-11-25 22:21:41,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-11-25 22:21:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-25 22:21:41,339 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-25 22:21:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-11-25 22:21:41,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-11-25 22:21:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-11-25 22:21:41,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-11-25 22:21:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 22:21:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:21:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-11-25 22:21:41,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-11-25 22:21:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:21:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 22:21:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 22:21:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-25 22:21:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-25 22:21:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 22:21:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 22:21:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 22:21:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 22:21:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-11-25 22:21:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-11-25 22:21:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-11-25 22:21:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-11-25 22:21:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:21:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 22:21:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 22:21:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-25 22:21:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-25 22:21:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-25 22:21:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-25 22:21:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:21:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:21:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-11-25 22:21:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-11-25 22:21:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2022-11-25 22:21:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2022-11-25 22:21:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 22:21:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 22:21:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-11-25 22:21:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-11-25 22:21:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-25 22:21:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-25 22:21:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-11-25 22:21:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-11-25 22:21:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:21:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 22:21:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 22:21:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-25 22:21:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-25 22:21:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:21:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 22:21:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 22:21:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:21:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-11-25 22:21:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-11-25 22:21:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-25 22:21:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-25 22:21:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-25 22:21:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-25 22:21:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:21:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:21:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:21:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:21:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-11-25 22:21:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-11-25 22:21:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 22:21:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 22:21:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-11-25 22:21:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-11-25 22:21:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-25 22:21:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-25 22:21:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:21:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-11-25 22:21:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-11-25 22:21:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 22:21:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 22:21:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-25 22:21:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-25 22:21:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-25 22:21:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-25 22:21:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:21:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:21:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-25 22:21:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-25 22:21:42,401 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:21:42,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:21:43,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:21:50,044 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:21:51,836 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:21:51,836 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:21:51,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:21:51 BoogieIcfgContainer [2022-11-25 22:21:51,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:21:51,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:21:51,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:21:51,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:21:51,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:21:36" (1/3) ... [2022-11-25 22:21:51,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3381389e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:21:51, skipping insertion in model container [2022-11-25 22:21:51,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:40" (2/3) ... [2022-11-25 22:21:51,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3381389e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:21:51, skipping insertion in model container [2022-11-25 22:21:51,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:21:51" (3/3) ... [2022-11-25 22:21:51,853 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2022-11-25 22:21:51,878 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:21:51,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:21:51,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:21:51,997 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=FINITE_AUTOMATA, 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;@49e393d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:21:51,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:21:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 1446 states, 806 states have (on average 1.3064516129032258) internal successors, (1053), 854 states have internal predecessors, (1053), 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) [2022-11-25 22:21:52,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-25 22:21:52,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:52,028 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 22:21:52,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:52,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:52,035 INFO L85 PathProgramCache]: Analyzing trace with hash -385978963, now seen corresponding path program 1 times [2022-11-25 22:21:52,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:52,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113052494] [2022-11-25 22:21:52,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:52,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 22:21:52,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:52,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113052494] [2022-11-25 22:21:52,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113052494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:52,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:52,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:21:52,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215006670] [2022-11-25 22:21:52,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:52,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:21:52,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:53,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:21:53,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:21:53,010 INFO L87 Difference]: Start difference. First operand has 1446 states, 806 states have (on average 1.3064516129032258) internal successors, (1053), 854 states have internal predecessors, (1053), 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 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-25 22:21:56,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:21:58,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:58,312 INFO L93 Difference]: Finished difference Result 4253 states and 6466 transitions. [2022-11-25 22:21:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:21:58,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (11), 2 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 72 [2022-11-25 22:21:58,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:58,383 INFO L225 Difference]: With dead ends: 4253 [2022-11-25 22:21:58,383 INFO L226 Difference]: Without dead ends: 2805 [2022-11-25 22:21:58,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:21:58,417 INFO L413 NwaCegarLoop]: 2674 mSDtfsCounter, 2076 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 4616 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:58,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 4616 Invalid, 439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 434 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 22:21:58,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2022-11-25 22:21:58,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 2802. [2022-11-25 22:21:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2802 states, 1567 states have (on average 1.2967453733248244) internal successors, (2032), 1645 states have internal predecessors, (2032), 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) [2022-11-25 22:21:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 4205 transitions. [2022-11-25 22:21:58,859 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 4205 transitions. Word has length 72 [2022-11-25 22:21:58,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:58,860 INFO L495 AbstractCegarLoop]: Abstraction has 2802 states and 4205 transitions. [2022-11-25 22:21:58,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-25 22:21:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 4205 transitions. [2022-11-25 22:21:58,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-25 22:21:58,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:58,888 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 22:21:58,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:21:58,889 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:58,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:58,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1363055920, now seen corresponding path program 1 times [2022-11-25 22:21:58,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:58,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956058379] [2022-11-25 22:21:58,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:58,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:59,380 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-25 22:21:59,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:59,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956058379] [2022-11-25 22:21:59,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956058379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:59,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:59,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:21:59,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338540674] [2022-11-25 22:21:59,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:59,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:21:59,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:59,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:21:59,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:21:59,385 INFO L87 Difference]: Start difference. First operand 2802 states and 4205 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:22:01,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:22:05,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:05,577 INFO L93 Difference]: Finished difference Result 4666 states and 6995 transitions. [2022-11-25 22:22:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:22:05,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (12), 3 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 93 [2022-11-25 22:22:05,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:05,642 INFO L225 Difference]: With dead ends: 4666 [2022-11-25 22:22:05,642 INFO L226 Difference]: Without dead ends: 4663 [2022-11-25 22:22:05,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:22:05,654 INFO L413 NwaCegarLoop]: 2828 mSDtfsCounter, 1853 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 4338 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:05,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 4338 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-25 22:22:05,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4663 states. [2022-11-25 22:22:06,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4663 to 4635. [2022-11-25 22:22:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4635 states, 2564 states have (on average 1.2854914196567864) internal successors, (3296), 2702 states have internal predecessors, (3296), 1815 states have call successors, (1815), 258 states have call predecessors, (1815), 255 states have return successors, (1838), 1754 states have call predecessors, (1838), 1814 states have call successors, (1838) [2022-11-25 22:22:06,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 4635 states and 6949 transitions. [2022-11-25 22:22:06,204 INFO L78 Accepts]: Start accepts. Automaton has 4635 states and 6949 transitions. Word has length 93 [2022-11-25 22:22:06,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:06,208 INFO L495 AbstractCegarLoop]: Abstraction has 4635 states and 6949 transitions. [2022-11-25 22:22:06,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:22:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 4635 states and 6949 transitions. [2022-11-25 22:22:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-25 22:22:06,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:06,238 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:06,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:22:06,238 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:06,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:06,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1905511045, now seen corresponding path program 1 times [2022-11-25 22:22:06,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:06,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999879011] [2022-11-25 22:22:06,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:06,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:22:06,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:06,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999879011] [2022-11-25 22:22:06,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999879011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:06,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:06,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:22:06,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819463557] [2022-11-25 22:22:06,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:06,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:22:06,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:06,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:22:06,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:22:06,997 INFO L87 Difference]: Start difference. First operand 4635 states and 6949 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:22:10,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:22:12,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:22:17,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:22:18,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:18,731 INFO L93 Difference]: Finished difference Result 13763 states and 20681 transitions. [2022-11-25 22:22:18,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:22:18,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (24), 3 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 141 [2022-11-25 22:22:18,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:18,927 INFO L225 Difference]: With dead ends: 13763 [2022-11-25 22:22:18,927 INFO L226 Difference]: Without dead ends: 9154 [2022-11-25 22:22:18,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:22:18,980 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 2106 mSDsluCounter, 6906 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 9395 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:18,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2110 Valid, 9395 Invalid, 835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 830 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2022-11-25 22:22:18,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9154 states. [2022-11-25 22:22:19,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9154 to 9127. [2022-11-25 22:22:19,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9127 states, 5055 states have (on average 1.2878338278931751) internal successors, (6510), 5335 states have internal predecessors, (6510), 3571 states have call successors, (3571), 505 states have call predecessors, (3571), 500 states have return successors, (3642), 3446 states have call predecessors, (3642), 3570 states have call successors, (3642) [2022-11-25 22:22:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9127 states to 9127 states and 13723 transitions. [2022-11-25 22:22:19,783 INFO L78 Accepts]: Start accepts. Automaton has 9127 states and 13723 transitions. Word has length 141 [2022-11-25 22:22:19,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:19,783 INFO L495 AbstractCegarLoop]: Abstraction has 9127 states and 13723 transitions. [2022-11-25 22:22:19,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:22:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 9127 states and 13723 transitions. [2022-11-25 22:22:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-25 22:22:19,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:19,800 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 22:22:19,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:22:19,800 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:19,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:19,801 INFO L85 PathProgramCache]: Analyzing trace with hash -821585979, now seen corresponding path program 1 times [2022-11-25 22:22:19,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:19,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408521335] [2022-11-25 22:22:19,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:19,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:22:20,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:20,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408521335] [2022-11-25 22:22:20,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408521335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:20,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:20,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:22:20,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202321621] [2022-11-25 22:22:20,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:20,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:22:20,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:20,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:22:20,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:22:20,312 INFO L87 Difference]: Start difference. First operand 9127 states and 13723 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:22:23,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:22:29,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:29,289 INFO L93 Difference]: Finished difference Result 22726 states and 34195 transitions. [2022-11-25 22:22:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:22:29,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (24), 3 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 138 [2022-11-25 22:22:29,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:29,432 INFO L225 Difference]: With dead ends: 22726 [2022-11-25 22:22:29,432 INFO L226 Difference]: Without dead ends: 13625 [2022-11-25 22:22:29,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:22:29,510 INFO L413 NwaCegarLoop]: 2635 mSDtfsCounter, 2075 mSDsluCounter, 7200 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 9835 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:29,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 9835 Invalid, 877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 873 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-25 22:22:29,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13625 states. [2022-11-25 22:22:30,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13625 to 13579. [2022-11-25 22:22:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13579 states, 7522 states have (on average 1.289417708056368) internal successors, (9699), 7951 states have internal predecessors, (9699), 5312 states have call successors, (5312), 751 states have call predecessors, (5312), 744 states have return successors, (5431), 5116 states have call predecessors, (5431), 5311 states have call successors, (5431) [2022-11-25 22:22:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13579 states to 13579 states and 20442 transitions. [2022-11-25 22:22:30,619 INFO L78 Accepts]: Start accepts. Automaton has 13579 states and 20442 transitions. Word has length 138 [2022-11-25 22:22:30,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:30,620 INFO L495 AbstractCegarLoop]: Abstraction has 13579 states and 20442 transitions. [2022-11-25 22:22:30,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:22:30,620 INFO L276 IsEmpty]: Start isEmpty. Operand 13579 states and 20442 transitions. [2022-11-25 22:22:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-25 22:22:30,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:30,647 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 22:22:30,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:22:30,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:30,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:30,648 INFO L85 PathProgramCache]: Analyzing trace with hash 361686850, now seen corresponding path program 1 times [2022-11-25 22:22:30,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:30,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089993740] [2022-11-25 22:22:30,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:30,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:22:31,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:31,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089993740] [2022-11-25 22:22:31,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089993740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:31,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:31,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:22:31,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663978942] [2022-11-25 22:22:31,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:31,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:22:31,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:31,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:22:31,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:22:31,154 INFO L87 Difference]: Start difference. First operand 13579 states and 20442 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:22:34,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:22:38,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:38,999 INFO L93 Difference]: Finished difference Result 30010 states and 45084 transitions. [2022-11-25 22:22:39,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:22:39,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (24), 3 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 139 [2022-11-25 22:22:39,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:39,158 INFO L225 Difference]: With dead ends: 30010 [2022-11-25 22:22:39,159 INFO L226 Difference]: Without dead ends: 18093 [2022-11-25 22:22:39,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:22:39,262 INFO L413 NwaCegarLoop]: 2614 mSDtfsCounter, 2071 mSDsluCounter, 7156 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2075 SdHoareTripleChecker+Valid, 9770 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:39,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2075 Valid, 9770 Invalid, 865 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 861 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-25 22:22:39,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18093 states. [2022-11-25 22:22:40,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18093 to 18049. [2022-11-25 22:22:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18049 states, 10005 states have (on average 1.2897551224387807) internal successors, (12904), 10575 states have internal predecessors, (12904), 7053 states have call successors, (7053), 999 states have call predecessors, (7053), 990 states have return successors, (7220), 6794 states have call predecessors, (7220), 7052 states have call successors, (7220) [2022-11-25 22:22:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18049 states to 18049 states and 27177 transitions. [2022-11-25 22:22:40,978 INFO L78 Accepts]: Start accepts. Automaton has 18049 states and 27177 transitions. Word has length 139 [2022-11-25 22:22:40,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:40,979 INFO L495 AbstractCegarLoop]: Abstraction has 18049 states and 27177 transitions. [2022-11-25 22:22:40,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:22:40,979 INFO L276 IsEmpty]: Start isEmpty. Operand 18049 states and 27177 transitions. [2022-11-25 22:22:41,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-25 22:22:41,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:41,021 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:41,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:22:41,022 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:41,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:41,023 INFO L85 PathProgramCache]: Analyzing trace with hash -171928088, now seen corresponding path program 1 times [2022-11-25 22:22:41,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:41,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757894544] [2022-11-25 22:22:41,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:41,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:22:41,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:41,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757894544] [2022-11-25 22:22:41,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757894544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:41,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:41,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:22:41,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954745190] [2022-11-25 22:22:41,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:41,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:22:41,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:41,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:22:41,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:22:41,601 INFO L87 Difference]: Start difference. First operand 18049 states and 27177 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:22:45,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:22:49,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:49,279 INFO L93 Difference]: Finished difference Result 33996 states and 51079 transitions. [2022-11-25 22:22:49,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:22:49,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (24), 3 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 140 [2022-11-25 22:22:49,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:49,411 INFO L225 Difference]: With dead ends: 33996 [2022-11-25 22:22:49,412 INFO L226 Difference]: Without dead ends: 17607 [2022-11-25 22:22:49,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:22:49,536 INFO L413 NwaCegarLoop]: 2614 mSDtfsCounter, 2069 mSDsluCounter, 7156 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 9770 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:49,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 9770 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 861 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 22:22:49,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17607 states. [2022-11-25 22:22:51,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17607 to 17569. [2022-11-25 22:22:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17569 states, 9701 states have (on average 1.2868776414802598) internal successors, (12484), 10253 states have internal predecessors, (12484), 6897 states have call successors, (6897), 977 states have call predecessors, (6897), 970 states have return successors, (7060), 6644 states have call predecessors, (7060), 6896 states have call successors, (7060) [2022-11-25 22:22:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17569 states to 17569 states and 26441 transitions. [2022-11-25 22:22:51,419 INFO L78 Accepts]: Start accepts. Automaton has 17569 states and 26441 transitions. Word has length 140 [2022-11-25 22:22:51,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:51,420 INFO L495 AbstractCegarLoop]: Abstraction has 17569 states and 26441 transitions. [2022-11-25 22:22:51,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:22:51,421 INFO L276 IsEmpty]: Start isEmpty. Operand 17569 states and 26441 transitions. [2022-11-25 22:22:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-25 22:22:51,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:51,466 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:51,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:22:51,467 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:51,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash 74198865, now seen corresponding path program 1 times [2022-11-25 22:22:51,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:51,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772442796] [2022-11-25 22:22:51,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:51,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-25 22:22:52,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:52,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772442796] [2022-11-25 22:22:52,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772442796] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:22:52,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834624169] [2022-11-25 22:22:52,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:52,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:52,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:52,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:22:52,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:22:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:53,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 2331 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:22:53,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:22:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:22:53,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:22:53,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834624169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:53,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:22:53,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-25 22:22:53,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77363865] [2022-11-25 22:22:53,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:53,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:22:53,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:53,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:22:53,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-25 22:22:53,632 INFO L87 Difference]: Start difference. First operand 17569 states and 26441 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 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) [2022-11-25 22:22:58,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:06,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:06,314 INFO L93 Difference]: Finished difference Result 44167 states and 66481 transitions. [2022-11-25 22:23:06,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 22:23:06,314 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 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 151 [2022-11-25 22:23:06,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:06,565 INFO L225 Difference]: With dead ends: 44167 [2022-11-25 22:23:06,566 INFO L226 Difference]: Without dead ends: 30584 [2022-11-25 22:23:06,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-25 22:23:06,712 INFO L413 NwaCegarLoop]: 2780 mSDtfsCounter, 2100 mSDsluCounter, 13057 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 15837 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:06,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 15837 Invalid, 1467 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1464 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2022-11-25 22:23:06,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30584 states. [2022-11-25 22:23:09,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30584 to 30483. [2022-11-25 22:23:09,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30483 states, 16832 states have (on average 1.2878445817490494) internal successors, (21677), 17813 states have internal predecessors, (21677), 11964 states have call successors, (11964), 1691 states have call predecessors, (11964), 1686 states have return successors, (12283), 11510 states have call predecessors, (12283), 11963 states have call successors, (12283) [2022-11-25 22:23:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30483 states to 30483 states and 45924 transitions. [2022-11-25 22:23:09,364 INFO L78 Accepts]: Start accepts. Automaton has 30483 states and 45924 transitions. Word has length 151 [2022-11-25 22:23:09,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:09,365 INFO L495 AbstractCegarLoop]: Abstraction has 30483 states and 45924 transitions. [2022-11-25 22:23:09,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 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) [2022-11-25 22:23:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand 30483 states and 45924 transitions. [2022-11-25 22:23:09,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-25 22:23:09,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:09,427 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-25 22:23:09,705 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forcibly destroying the process [2022-11-25 22:23:09,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:23:09,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 22:23:09,715 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:23:09,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:09,716 INFO L85 PathProgramCache]: Analyzing trace with hash 511850169, now seen corresponding path program 1 times [2022-11-25 22:23:09,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:09,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282531964] [2022-11-25 22:23:09,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:09,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:23:10,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:10,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282531964] [2022-11-25 22:23:10,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282531964] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:23:10,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616497915] [2022-11-25 22:23:10,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:10,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:10,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:10,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:23:10,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:23:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:11,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 2333 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:23:11,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:23:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:23:11,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:23:11,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616497915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:11,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:23:11,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-25 22:23:11,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820196447] [2022-11-25 22:23:11,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:11,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:23:11,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:11,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:23:11,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-25 22:23:11,550 INFO L87 Difference]: Start difference. First operand 30483 states and 45924 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-11-25 22:23:17,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:18,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:20,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:22,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:25,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:31,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:31,750 INFO L93 Difference]: Finished difference Result 70091 states and 105565 transitions. [2022-11-25 22:23:31,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 22:23:31,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 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 152 [2022-11-25 22:23:31,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:32,197 INFO L225 Difference]: With dead ends: 70091 [2022-11-25 22:23:32,197 INFO L226 Difference]: Without dead ends: 43594 [2022-11-25 22:23:32,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-25 22:23:32,512 INFO L413 NwaCegarLoop]: 2661 mSDtfsCounter, 2136 mSDsluCounter, 12569 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 15230 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:32,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 15230 Invalid, 1419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1415 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2022-11-25 22:23:32,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43594 states. [2022-11-25 22:23:35,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43594 to 43479. [2022-11-25 22:23:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43479 states, 24009 states have (on average 1.2877670873422467) internal successors, (30918), 25427 states have internal predecessors, (30918), 17057 states have call successors, (17057), 2407 states have call predecessors, (17057), 2412 states have return successors, (17542), 16402 states have call predecessors, (17542), 17056 states have call successors, (17542) [2022-11-25 22:23:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43479 states to 43479 states and 65517 transitions. [2022-11-25 22:23:35,526 INFO L78 Accepts]: Start accepts. Automaton has 43479 states and 65517 transitions. Word has length 152 [2022-11-25 22:23:35,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:35,527 INFO L495 AbstractCegarLoop]: Abstraction has 43479 states and 65517 transitions. [2022-11-25 22:23:35,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-11-25 22:23:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 43479 states and 65517 transitions. [2022-11-25 22:23:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-25 22:23:35,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:35,603 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-25 22:23:35,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:23:35,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:35,814 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:23:35,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:35,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1652192872, now seen corresponding path program 1 times [2022-11-25 22:23:35,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:35,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917083025] [2022-11-25 22:23:35,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:35,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:23:36,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:36,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917083025] [2022-11-25 22:23:36,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917083025] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:23:36,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369783314] [2022-11-25 22:23:36,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:36,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:36,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:36,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:23:36,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:23:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:37,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:23:37,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:23:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:23:37,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:23:37,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369783314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:37,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:23:37,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-25 22:23:37,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601289826] [2022-11-25 22:23:37,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:37,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:23:37,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:37,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:23:37,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-25 22:23:37,981 INFO L87 Difference]: Start difference. First operand 43479 states and 65517 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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) [2022-11-25 22:23:41,085 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 [] [2022-11-25 22:23:43,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:45,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:47,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:49,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:23:57,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:57,626 INFO L93 Difference]: Finished difference Result 100577 states and 151525 transitions. [2022-11-25 22:23:57,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 22:23:57,626 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 153 [2022-11-25 22:23:57,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:58,129 INFO L225 Difference]: With dead ends: 100577 [2022-11-25 22:23:58,130 INFO L226 Difference]: Without dead ends: 61084 [2022-11-25 22:23:58,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-25 22:23:58,595 INFO L413 NwaCegarLoop]: 2661 mSDtfsCounter, 2136 mSDsluCounter, 12569 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 15230 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:58,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 15230 Invalid, 1418 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1412 Invalid, 4 Unknown, 0 Unchecked, 16.5s Time] [2022-11-25 22:23:58,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61084 states. [2022-11-25 22:24:00,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61084 to 43483. [2022-11-25 22:24:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43483 states, 24013 states have (on average 1.2877191521259317) internal successors, (30922), 25427 states have internal predecessors, (30922), 17057 states have call successors, (17057), 2407 states have call predecessors, (17057), 2412 states have return successors, (17542), 16406 states have call predecessors, (17542), 17056 states have call successors, (17542) [2022-11-25 22:24:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43483 states to 43483 states and 65521 transitions. [2022-11-25 22:24:01,508 INFO L78 Accepts]: Start accepts. Automaton has 43483 states and 65521 transitions. Word has length 153 [2022-11-25 22:24:01,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:24:01,509 INFO L495 AbstractCegarLoop]: Abstraction has 43483 states and 65521 transitions. [2022-11-25 22:24:01,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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) [2022-11-25 22:24:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 43483 states and 65521 transitions. [2022-11-25 22:24:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-25 22:24:01,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:01,567 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-25 22:24:01,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:24:01,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:01,778 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:24:01,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:01,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1430585312, now seen corresponding path program 1 times [2022-11-25 22:24:01,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:24:01,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462905499] [2022-11-25 22:24:01,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:01,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:24:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:24:02,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:24:02,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462905499] [2022-11-25 22:24:02,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462905499] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:24:02,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418259009] [2022-11-25 22:24:02,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:02,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:02,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:02,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:24:02,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:24:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:03,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:24:03,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:24:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-25 22:24:03,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:24:03,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418259009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:24:03,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:24:03,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-25 22:24:03,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680363959] [2022-11-25 22:24:03,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:24:03,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:24:03,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:24:03,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:24:03,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-25 22:24:03,502 INFO L87 Difference]: Start difference. First operand 43483 states and 65521 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 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) [2022-11-25 22:24:07,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:24:10,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:24:16,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:24:16,745 INFO L93 Difference]: Finished difference Result 96026 states and 144662 transitions. [2022-11-25 22:24:16,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 22:24:16,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 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 154 [2022-11-25 22:24:16,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:24:17,302 INFO L225 Difference]: With dead ends: 96026 [2022-11-25 22:24:17,302 INFO L226 Difference]: Without dead ends: 56529 [2022-11-25 22:24:17,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-25 22:24:17,644 INFO L413 NwaCegarLoop]: 2786 mSDtfsCounter, 2100 mSDsluCounter, 13069 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 15855 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:24:17,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 15855 Invalid, 1469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1466 Invalid, 1 Unknown, 0 Unchecked, 10.2s Time] [2022-11-25 22:24:17,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56529 states. [2022-11-25 22:24:20,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56529 to 56327. [2022-11-25 22:24:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56327 states, 31088 states have (on average 1.288181935151827) internal successors, (40047), 32927 states have internal predecessors, (40047), 22118 states have call successors, (22118), 3115 states have call predecessors, (22118), 3120 states have return successors, (22753), 21268 states have call predecessors, (22753), 22117 states have call successors, (22753) [2022-11-25 22:24:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56327 states to 56327 states and 84918 transitions. [2022-11-25 22:24:21,172 INFO L78 Accepts]: Start accepts. Automaton has 56327 states and 84918 transitions. Word has length 154 [2022-11-25 22:24:21,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:24:21,172 INFO L495 AbstractCegarLoop]: Abstraction has 56327 states and 84918 transitions. [2022-11-25 22:24:21,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 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) [2022-11-25 22:24:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 56327 states and 84918 transitions. [2022-11-25 22:24:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-25 22:24:21,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:21,239 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:24:21,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:24:21,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:21,452 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:24:21,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:21,452 INFO L85 PathProgramCache]: Analyzing trace with hash -709677523, now seen corresponding path program 1 times [2022-11-25 22:24:21,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:24:21,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249308008] [2022-11-25 22:24:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:21,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:24:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-25 22:24:22,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:24:22,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249308008] [2022-11-25 22:24:22,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249308008] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:24:22,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862984491] [2022-11-25 22:24:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:22,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:22,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:22,370 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:24:22,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b957dc4-e822-4cf8-82af-d41bc6b82cf9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:24:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:23,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 2408 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 22:24:23,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:24:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-25 22:24:23,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:24:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-25 22:24:23,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862984491] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:24:23,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1012531465] [2022-11-25 22:24:23,975 INFO L159 IcfgInterpreter]: Started Sifa with 106 locations of interest [2022-11-25 22:24:23,975 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:24:23,979 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:24:23,985 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:24:23,985 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:24:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:26,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:27,250 INFO L217 Elim1Store]: Index analysis took 517 ms [2022-11-25 22:24:54,181 WARN L233 SmtUtils]: Spent 26.87s on a formula simplification. DAG size of input: 1666 DAG size of output: 963 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:24:54,187 INFO L321 Elim1Store]: treesize reduction 3209, result has 33.8 percent of original size [2022-11-25 22:24:54,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 139 select indices, 139 select index equivalence classes, 9595 disjoint index pairs (out of 9591 index pairs), introduced 139 new quantified variables, introduced 139 case distinctions, treesize of input 705 treesize of output 2068 [2022-11-25 22:24:56,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-25 22:24:56,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-25 22:24:56,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-25 22:24:56,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-25 22:24:57,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:58,451 INFO L217 Elim1Store]: Index analysis took 1357 ms [2022-11-25 22:25:42,211 WARN L233 SmtUtils]: Spent 43.72s on a formula simplification. DAG size of input: 2223 DAG size of output: 1111 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:25:42,214 INFO L321 Elim1Store]: treesize reduction 5266, result has 25.5 percent of original size [2022-11-25 22:25:42,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 142 select indices, 142 select index equivalence classes, 9734 disjoint index pairs (out of 10011 index pairs), introduced 142 new quantified variables, introduced 417 case distinctions, treesize of input 724 treesize of output 2245 [2022-11-25 22:25:44,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-25 22:25:45,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-25 22:25:45,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-25 22:25:54,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 22:25:54,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 22:25:54,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-25 22:25:58,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 42 select indices, 42 select index equivalence classes, 252 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 127 [2022-11-25 22:25:58,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:25:58,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 141 select indices, 141 select index equivalence classes, 9872 disjoint index pairs (out of 9870 index pairs), introduced 141 new quantified variables, introduced 0 case distinctions, treesize of input 706 treesize of output 424 [2022-11-25 22:26:00,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:00,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 142 select indices, 142 select index equivalence classes, 10011 disjoint index pairs (out of 10011 index pairs), introduced 142 new quantified variables, introduced 0 case distinctions, treesize of input 711 treesize of output 427 [2022-11-25 22:26:10,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:10,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:10,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 141 select indices, 141 select index equivalence classes, 9872 disjoint index pairs (out of 9870 index pairs), introduced 141 new quantified variables, introduced 0 case distinctions, treesize of input 706 treesize of output 424 [2022-11-25 22:26:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:11,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:11,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 142 select indices, 142 select index equivalence classes, 10011 disjoint index pairs (out of 10011 index pairs), introduced 142 new quantified variables, introduced 0 case distinctions, treesize of input 711 treesize of output 427 [2022-11-25 22:26:12,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:12,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 42 select indices, 42 select index equivalence classes, 252 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 127