./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/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_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 13:16:35,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:16:35,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:16:35,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:16:35,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:16:35,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:16:35,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:16:35,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:16:35,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:16:35,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:16:35,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:16:35,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:16:35,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:16:35,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:16:35,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:16:35,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:16:35,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:16:35,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:16:35,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:16:35,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:16:35,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:16:35,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:16:35,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:16:35,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:16:35,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:16:35,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:16:35,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:16:35,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:16:35,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:16:35,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:16:35,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:16:35,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:16:35,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:16:35,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:16:35,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:16:35,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:16:35,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:16:35,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:16:35,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:16:35,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:16:35,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:16:35,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 13:16:35,395 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:16:35,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:16:35,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:16:35,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:16:35,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:16:35,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:16:35,397 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:16:35,397 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:16:35,397 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:16:35,397 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:16:35,397 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:16:35,397 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:16:35,397 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:16:35,398 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:16:35,398 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:16:35,398 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:16:35,398 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:16:35,398 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:16:35,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:16:35,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:16:35,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:16:35,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:16:35,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:16:35,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:16:35,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:16:35,400 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:16:35,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:16:35,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:16:35,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:16:35,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:16:35,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:16:35,400 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:16:35,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:16:35,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:16:35,401 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:16:35,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:16:35,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:16:35,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:16:35,401 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_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 [2022-12-14 13:16:35,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:16:35,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:16:35,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:16:35,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:16:35,598 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:16:35,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2022-12-14 13:16:38,265 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:16:38,674 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:16:38,675 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2022-12-14 13:16:38,701 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/data/f9d62ce8a/58217b5233464595978c8c62aa1ccf22/FLAG4c47f59de [2022-12-14 13:16:38,714 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/data/f9d62ce8a/58217b5233464595978c8c62aa1ccf22 [2022-12-14 13:16:38,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:16:38,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:16:38,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:16:38,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:16:38,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:16:38,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:16:38" (1/1) ... [2022-12-14 13:16:38,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e691912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:38, skipping insertion in model container [2022-12-14 13:16:38,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:16:38" (1/1) ... [2022-12-14 13:16:38,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:16:38,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:16:39,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,621 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:39,687 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 13:16:39,694 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 13:16:39,702 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:16:39,719 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 13:16:39,778 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 13:16:39,779 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 13:16:39,779 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 13:16:39,783 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 13:16:39,783 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 13:16:39,784 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 13:16:39,791 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 13:16:39,925 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 13:16:39,937 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 13:16:40,025 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,027 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,033 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,044 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,046 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,047 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,049 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,050 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,051 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,051 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,052 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,053 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,055 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:16:40,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,056 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,060 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,060 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,063 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:16:40,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,069 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 13:16:40,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,069 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 13:16:40,071 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 13:16:40,079 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 13:16:40,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,080 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 13:16:40,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,081 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-14 13:16:40,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,083 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:16:40,083 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 13:16:40,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,089 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:16:40,089 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 13:16:40,089 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 13:16:40,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,094 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-14 13:16:40,094 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 13:16:40,094 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 13:16:40,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,099 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 13:16:40,104 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 13:16:40,105 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 13:16:40,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,121 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 13:16:40,122 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 13:16:40,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,141 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 13:16:40,146 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,147 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,150 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-14 13:16:40,173 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 13:16:40,174 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 13:16:40,174 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 13:16:40,175 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-14 13:16:40,175 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-12-14 13:16:40,176 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-12-14 13:16:40,177 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 13:16:40,177 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 13:16:40,180 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 13:16:40,180 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 13:16:40,180 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 13:16:40,181 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 13:16:40,182 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 13:16:40,182 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 13:16:40,182 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 13:16:40,224 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 13:16:40,224 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-14 13:16:40,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,225 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-14 13:16:40,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,227 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 13:16:40,232 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_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2022-12-14 13:16:40,254 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 13:16:40,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:16:40,292 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:16:40,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,393 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,404 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,404 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,426 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,429 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,431 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 13:16:40,431 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 13:16:40,432 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:16:40,432 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 13:16:40,434 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 13:16:40,435 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 13:16:40,435 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 13:16:40,435 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 13:16:40,436 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 13:16:40,436 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 13:16:40,436 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 13:16:40,439 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 13:16:40,439 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 13:16:40,442 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,444 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,447 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,448 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,449 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,449 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,450 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 13:16:40,451 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,452 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,452 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,452 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,453 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,453 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,455 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:16:40,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,455 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,457 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,458 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,459 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:16:40,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,463 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 13:16:40,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,464 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 13:16:40,464 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 13:16:40,466 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 13:16:40,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,466 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 13:16:40,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,467 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-14 13:16:40,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,471 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:16:40,472 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 13:16:40,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,476 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:16:40,476 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 13:16:40,476 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 13:16:40,476 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,477 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-14 13:16:40,477 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 13:16:40,477 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 13:16:40,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,492 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 13:16:40,495 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 13:16:40,496 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 13:16:40,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,510 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 13:16:40,515 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 13:16:40,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,542 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 13:16:40,578 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,583 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 13:16:40,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,591 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-14 13:16:40,595 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 13:16:40,596 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 13:16:40,596 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 13:16:40,596 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-14 13:16:40,597 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-12-14 13:16:40,597 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-12-14 13:16:40,598 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 13:16:40,598 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 13:16:40,599 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 13:16:40,600 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 13:16:40,600 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 13:16:40,600 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 13:16:40,600 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 13:16:40,601 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 13:16:40,601 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 13:16:40,612 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 13:16:40,617 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-14 13:16:40,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,624 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-14 13:16:40,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:16:40,641 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 13:16:40,645 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_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2022-12-14 13:16:40,646 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 13:16:40,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:16:40,699 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:16:40,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40 WrapperNode [2022-12-14 13:16:40,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:16:40,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:16:40,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:16:40,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:16:40,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,827 INFO L138 Inliner]: procedures = 274, calls = 2121, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4378 [2022-12-14 13:16:40,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:16:40,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:16:40,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:16:40,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:16:40,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:16:40,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:16:40,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:16:40,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:16:40,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (1/1) ... [2022-12-14 13:16:40,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:16:41,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:16:41,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:16:41,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:16:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-14 13:16:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 13:16:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2022-12-14 13:16:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-12-14 13:16:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-14 13:16:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 13:16:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-12-14 13:16:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-12-14 13:16:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-12-14 13:16:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-12-14 13:16:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 13:16:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-12-14 13:16:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 13:16:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 13:16:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-12-14 13:16:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-12-14 13:16:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:16:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 13:16:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 13:16:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-12-14 13:16:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-12-14 13:16:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-12-14 13:16:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-12-14 13:16:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:16:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-12-14 13:16:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-12-14 13:16:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 13:16:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 13:16:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-12-14 13:16:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-12-14 13:16:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-14 13:16:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-14 13:16:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:16:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:16:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-12-14 13:16:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-12-14 13:16:41,535 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:16:41,537 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:16:42,349 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 13:16:47,375 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:16:48,334 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:16:48,334 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 13:16:48,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:16:48 BoogieIcfgContainer [2022-12-14 13:16:48,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:16:48,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:16:48,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:16:48,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:16:48,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:16:38" (1/3) ... [2022-12-14 13:16:48,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6306a1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:16:48, skipping insertion in model container [2022-12-14 13:16:48,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:16:40" (2/3) ... [2022-12-14 13:16:48,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6306a1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:16:48, skipping insertion in model container [2022-12-14 13:16:48,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:16:48" (3/3) ... [2022-12-14 13:16:48,345 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2022-12-14 13:16:48,359 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:16:48,359 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:16:48,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:16:48,435 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;@6ca491b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:16:48,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:16:48,445 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) [2022-12-14 13:16:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 13:16:48,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:16:48,458 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] [2022-12-14 13:16:48,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:16:48,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:16:48,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1659523211, now seen corresponding path program 1 times [2022-12-14 13:16:48,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:16:48,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620140697] [2022-12-14 13:16:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:16:48,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:16:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:16:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 13:16:48,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:16:48,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620140697] [2022-12-14 13:16:48,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620140697] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:16:48,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:16:48,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:16:48,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914956736] [2022-12-14 13:16:48,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:16:48,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:16:48,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:16:48,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:16:48,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:16:48,885 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) [2022-12-14 13:16:52,475 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 [] [2022-12-14 13:16:53,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:16:53,748 INFO L93 Difference]: Finished difference Result 4253 states and 6466 transitions. [2022-12-14 13:16:53,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:16:53,751 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 [2022-12-14 13:16:53,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:16:53,793 INFO L225 Difference]: With dead ends: 4253 [2022-12-14 13:16:53,794 INFO L226 Difference]: Without dead ends: 2805 [2022-12-14 13:16:53,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:16:53,815 INFO L413 NwaCegarLoop]: 2674 mSDtfsCounter, 2076 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 4616 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 13:16:53,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 4616 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 435 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 13:16:53,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2022-12-14 13:16:53,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 2802. [2022-12-14 13:16:53,993 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) [2022-12-14 13:16:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 4205 transitions. [2022-12-14 13:16:54,018 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 4205 transitions. Word has length 72 [2022-12-14 13:16:54,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:16:54,018 INFO L495 AbstractCegarLoop]: Abstraction has 2802 states and 4205 transitions. [2022-12-14 13:16:54,018 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) [2022-12-14 13:16:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 4205 transitions. [2022-12-14 13:16:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 13:16:54,025 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:16:54,025 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] [2022-12-14 13:16:54,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:16:54,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:16:54,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:16:54,026 INFO L85 PathProgramCache]: Analyzing trace with hash 736301187, now seen corresponding path program 1 times [2022-12-14 13:16:54,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:16:54,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906368934] [2022-12-14 13:16:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:16:54,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:16:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:16:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 13:16:54,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:16:54,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906368934] [2022-12-14 13:16:54,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906368934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:16:54,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:16:54,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:16:54,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155072765] [2022-12-14 13:16:54,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:16:54,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:16:54,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:16:54,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:16:54,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:16:54,204 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) [2022-12-14 13:16:56,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:16:59,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:16:59,503 INFO L93 Difference]: Finished difference Result 5126 states and 7742 transitions. [2022-12-14 13:16:59,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:16:59,503 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 [2022-12-14 13:16:59,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:16:59,555 INFO L225 Difference]: With dead ends: 5126 [2022-12-14 13:16:59,555 INFO L226 Difference]: Without dead ends: 5123 [2022-12-14 13:16:59,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:16:59,563 INFO L413 NwaCegarLoop]: 3057 mSDtfsCounter, 1838 mSDsluCounter, 1888 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 4945 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:16:59,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 4945 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 481 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 13:16:59,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2022-12-14 13:16:59,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 5066. [2022-12-14 13:16:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5066 states, 2863 states have (on average 1.3094655955291652) internal successors, (3749), 3019 states have internal predecessors, (3749), 1926 states have call successors, (1926), 281 states have call predecessors, (1926), 276 states have return successors, (1966), 1847 states have call predecessors, (1966), 1925 states have call successors, (1966) [2022-12-14 13:16:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5066 states to 5066 states and 7641 transitions. [2022-12-14 13:16:59,884 INFO L78 Accepts]: Start accepts. Automaton has 5066 states and 7641 transitions. Word has length 93 [2022-12-14 13:16:59,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:16:59,884 INFO L495 AbstractCegarLoop]: Abstraction has 5066 states and 7641 transitions. [2022-12-14 13:16:59,884 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) [2022-12-14 13:16:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5066 states and 7641 transitions. [2022-12-14 13:16:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-14 13:16:59,896 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:16:59,896 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] [2022-12-14 13:16:59,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:16:59,896 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:16:59,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:16:59,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1702415522, now seen corresponding path program 1 times [2022-12-14 13:16:59,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:16:59,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431004063] [2022-12-14 13:16:59,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:16:59,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:16:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:17:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:17:00,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:17:00,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431004063] [2022-12-14 13:17:00,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431004063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:17:00,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:17:00,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:17:00,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695060268] [2022-12-14 13:17:00,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:17:00,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 13:17:00,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:17:00,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 13:17:00,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:17:00,183 INFO L87 Difference]: Start difference. First operand 5066 states and 7641 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) [2022-12-14 13:17:03,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:17:05,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:17:07,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:17:07,016 INFO L93 Difference]: Finished difference Result 14602 states and 22035 transitions. [2022-12-14 13:17:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 13:17:07,017 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 [2022-12-14 13:17:07,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:17:07,072 INFO L225 Difference]: With dead ends: 14602 [2022-12-14 13:17:07,072 INFO L226 Difference]: Without dead ends: 9562 [2022-12-14 13:17:07,133 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 [2022-12-14 13:17:07,134 INFO L413 NwaCegarLoop]: 2732 mSDtfsCounter, 2076 mSDsluCounter, 7394 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 10126 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:17:07,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 10126 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 912 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 13:17:07,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9562 states. [2022-12-14 13:17:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9562 to 9526. [2022-12-14 13:17:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9526 states, 5334 states have (on average 1.3014623172103488) internal successors, (6942), 5643 states have internal predecessors, (6942), 3669 states have call successors, (3669), 527 states have call predecessors, (3669), 522 states have return successors, (3765), 3517 states have call predecessors, (3765), 3668 states have call successors, (3765) [2022-12-14 13:17:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9526 states to 9526 states and 14376 transitions. [2022-12-14 13:17:07,543 INFO L78 Accepts]: Start accepts. Automaton has 9526 states and 14376 transitions. Word has length 138 [2022-12-14 13:17:07,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:17:07,544 INFO L495 AbstractCegarLoop]: Abstraction has 9526 states and 14376 transitions. [2022-12-14 13:17:07,544 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) [2022-12-14 13:17:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 9526 states and 14376 transitions. [2022-12-14 13:17:07,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-14 13:17:07,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:17:07,569 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] [2022-12-14 13:17:07,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:17:07,570 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:17:07,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:17:07,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1995173395, now seen corresponding path program 1 times [2022-12-14 13:17:07,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:17:07,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150106761] [2022-12-14 13:17:07,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:17:07,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:17:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:17:07,803 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:17:07,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:17:07,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150106761] [2022-12-14 13:17:07,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150106761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:17:07,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:17:07,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:17:07,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106785039] [2022-12-14 13:17:07,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:17:07,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 13:17:07,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:17:07,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 13:17:07,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:17:07,805 INFO L87 Difference]: Start difference. First operand 9526 states and 14376 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) [2022-12-14 13:17:10,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:17:13,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:17:13,184 INFO L93 Difference]: Finished difference Result 21894 states and 32942 transitions. [2022-12-14 13:17:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 13:17:13,185 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 [2022-12-14 13:17:13,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:17:13,263 INFO L225 Difference]: With dead ends: 21894 [2022-12-14 13:17:13,263 INFO L226 Difference]: Without dead ends: 14032 [2022-12-14 13:17:13,309 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 [2022-12-14 13:17:13,310 INFO L413 NwaCegarLoop]: 2618 mSDtfsCounter, 2072 mSDsluCounter, 7164 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 9782 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 13:17:13,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 9782 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 861 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 13:17:13,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14032 states. [2022-12-14 13:17:13,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14032 to 13986. [2022-12-14 13:17:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13986 states, 7809 states have (on average 1.2983736714047893) internal successors, (10139), 8259 states have internal predecessors, (10139), 5410 states have call successors, (5410), 773 states have call predecessors, (5410), 766 states have return successors, (5554), 5195 states have call predecessors, (5554), 5409 states have call successors, (5554) [2022-12-14 13:17:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13986 states to 13986 states and 21103 transitions. [2022-12-14 13:17:14,014 INFO L78 Accepts]: Start accepts. Automaton has 13986 states and 21103 transitions. Word has length 139 [2022-12-14 13:17:14,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:17:14,014 INFO L495 AbstractCegarLoop]: Abstraction has 13986 states and 21103 transitions. [2022-12-14 13:17:14,015 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) [2022-12-14 13:17:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 13986 states and 21103 transitions. [2022-12-14 13:17:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-14 13:17:14,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:17:14,032 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] [2022-12-14 13:17:14,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:17:14,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:17:14,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:17:14,033 INFO L85 PathProgramCache]: Analyzing trace with hash -89957648, now seen corresponding path program 1 times [2022-12-14 13:17:14,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:17:14,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949371287] [2022-12-14 13:17:14,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:17:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:17:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:17:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:17:14,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:17:14,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949371287] [2022-12-14 13:17:14,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949371287] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:17:14,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:17:14,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:17:14,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769899306] [2022-12-14 13:17:14,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:17:14,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 13:17:14,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:17:14,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 13:17:14,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:17:14,311 INFO L87 Difference]: Start difference. First operand 13986 states and 21103 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) [2022-12-14 13:17:17,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:17:21,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:17:22,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:17:22,727 INFO L93 Difference]: Finished difference Result 26356 states and 39665 transitions. [2022-12-14 13:17:22,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 13:17:22,727 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 [2022-12-14 13:17:22,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:17:22,797 INFO L225 Difference]: With dead ends: 26356 [2022-12-14 13:17:22,798 INFO L226 Difference]: Without dead ends: 14032 [2022-12-14 13:17:22,853 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 [2022-12-14 13:17:22,853 INFO L413 NwaCegarLoop]: 2618 mSDtfsCounter, 2069 mSDsluCounter, 7164 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 9782 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 13:17:22,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 9782 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 861 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 13:17:22,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14032 states. [2022-12-14 13:17:23,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14032 to 13994. [2022-12-14 13:17:23,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13994 states, 7817 states have (on average 1.2980683126519126) internal successors, (10147), 8265 states have internal predecessors, (10147), 5408 states have call successors, (5408), 775 states have call predecessors, (5408), 768 states have return successors, (5552), 5195 states have call predecessors, (5552), 5407 states have call successors, (5552) [2022-12-14 13:17:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13994 states to 13994 states and 21107 transitions. [2022-12-14 13:17:23,569 INFO L78 Accepts]: Start accepts. Automaton has 13994 states and 21107 transitions. Word has length 141 [2022-12-14 13:17:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:17:23,570 INFO L495 AbstractCegarLoop]: Abstraction has 13994 states and 21107 transitions. [2022-12-14 13:17:23,570 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) [2022-12-14 13:17:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 13994 states and 21107 transitions. [2022-12-14 13:17:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 13:17:23,590 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:17:23,590 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] [2022-12-14 13:17:23,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 13:17:23,590 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:17:23,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:17:23,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1041099839, now seen corresponding path program 1 times [2022-12-14 13:17:23,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:17:23,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111622368] [2022-12-14 13:17:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:17:23,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:17:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:17:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:17:23,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:17:23,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111622368] [2022-12-14 13:17:23,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111622368] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:17:23,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:17:23,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:17:23,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270130867] [2022-12-14 13:17:23,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:17:23,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 13:17:23,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:17:23,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 13:17:23,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:17:23,812 INFO L87 Difference]: Start difference. First operand 13994 states and 21107 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) [2022-12-14 13:17:27,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:17:29,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:17:34,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:17:34,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:17:34,790 INFO L93 Difference]: Finished difference Result 30832 states and 46448 transitions. [2022-12-14 13:17:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 13:17:34,791 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 [2022-12-14 13:17:34,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:17:34,873 INFO L225 Difference]: With dead ends: 30832 [2022-12-14 13:17:34,874 INFO L226 Difference]: Without dead ends: 18498 [2022-12-14 13:17:34,921 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 [2022-12-14 13:17:34,922 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 2107 mSDsluCounter, 6906 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2111 SdHoareTripleChecker+Valid, 9395 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:17:34,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2111 Valid, 9395 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 829 Invalid, 3 Unknown, 0 Unchecked, 10.3s Time] [2022-12-14 13:17:34,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18498 states. [2022-12-14 13:17:35,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18498 to 18453. [2022-12-14 13:17:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18453 states, 10315 states have (on average 1.2996606883179835) internal successors, (13406), 10907 states have internal predecessors, (13406), 7119 states have call successors, (7119), 1025 states have call predecessors, (7119), 1018 states have return successors, (7338), 6830 states have call predecessors, (7338), 7118 states have call successors, (7338) [2022-12-14 13:17:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18453 states to 18453 states and 27863 transitions. [2022-12-14 13:17:35,747 INFO L78 Accepts]: Start accepts. Automaton has 18453 states and 27863 transitions. Word has length 140 [2022-12-14 13:17:35,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:17:35,748 INFO L495 AbstractCegarLoop]: Abstraction has 18453 states and 27863 transitions. [2022-12-14 13:17:35,748 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) [2022-12-14 13:17:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 18453 states and 27863 transitions. [2022-12-14 13:17:35,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-14 13:17:35,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:17:35,761 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] [2022-12-14 13:17:35,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 13:17:35,761 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:17:35,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:17:35,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1111174268, now seen corresponding path program 1 times [2022-12-14 13:17:35,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:17:35,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807894368] [2022-12-14 13:17:35,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:17:35,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:17:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:17:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 13:17:36,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:17:36,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807894368] [2022-12-14 13:17:36,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807894368] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:17:36,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810949680] [2022-12-14 13:17:36,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:17:36,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:17:36,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:17:36,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:17:36,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:17:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:17:36,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 2331 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 13:17:36,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:17:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:17:36,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:17:36,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810949680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:17:36,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:17:36,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 13:17:36,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051251930] [2022-12-14 13:17:36,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:17:36,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 13:17:36,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:17:36,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 13:17:36,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-14 13:17:36,802 INFO L87 Difference]: Start difference. First operand 18453 states and 27863 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) [2022-12-14 13:17:40,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:17:47,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:17:47,279 INFO L93 Difference]: Finished difference Result 46865 states and 70799 transitions. [2022-12-14 13:17:47,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 13:17:47,279 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 [2022-12-14 13:17:47,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:17:47,436 INFO L225 Difference]: With dead ends: 46865 [2022-12-14 13:17:47,436 INFO L226 Difference]: Without dead ends: 32398 [2022-12-14 13:17:47,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-12-14 13:17:47,508 INFO L413 NwaCegarLoop]: 2780 mSDtfsCounter, 2100 mSDsluCounter, 13057 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 15837 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-12-14 13:17:47,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 15837 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1464 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-12-14 13:17:47,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32398 states. [2022-12-14 13:17:48,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32398 to 32257. [2022-12-14 13:17:48,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32257 states, 18068 states have (on average 1.3026898383883108) internal successors, (23537), 19141 states have internal predecessors, (23537), 12402 states have call successors, (12402), 1791 states have call predecessors, (12402), 1786 states have return successors, (12833), 11864 states have call predecessors, (12833), 12401 states have call successors, (12833) [2022-12-14 13:17:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32257 states to 32257 states and 48772 transitions. [2022-12-14 13:17:48,900 INFO L78 Accepts]: Start accepts. Automaton has 32257 states and 48772 transitions. Word has length 151 [2022-12-14 13:17:48,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:17:48,900 INFO L495 AbstractCegarLoop]: Abstraction has 32257 states and 48772 transitions. [2022-12-14 13:17:48,900 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) [2022-12-14 13:17:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 32257 states and 48772 transitions. [2022-12-14 13:17:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-14 13:17:48,919 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:17:48,920 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] [2022-12-14 13:17:48,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:17:49,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:17:49,122 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:17:49,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:17:49,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1772368402, now seen corresponding path program 1 times [2022-12-14 13:17:49,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:17:49,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422781673] [2022-12-14 13:17:49,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:17:49,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:17:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:17:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:17:49,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:17:49,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422781673] [2022-12-14 13:17:49,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422781673] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:17:49,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287114194] [2022-12-14 13:17:49,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:17:49,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:17:49,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:17:49,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:17:49,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 13:17:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:17:50,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 2333 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 13:17:50,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:17:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:17:50,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:17:50,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287114194] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:17:50,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:17:50,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 13:17:50,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804406703] [2022-12-14 13:17:50,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:17:50,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 13:17:50,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:17:50,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 13:17:50,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 13:17:50,156 INFO L87 Difference]: Start difference. First operand 32257 states and 48772 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) [2022-12-14 13:17:53,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:00,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:18:00,521 INFO L93 Difference]: Finished difference Result 74531 states and 112671 transitions. [2022-12-14 13:18:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 13:18:00,522 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 [2022-12-14 13:18:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:18:00,762 INFO L225 Difference]: With dead ends: 74531 [2022-12-14 13:18:00,762 INFO L226 Difference]: Without dead ends: 46260 [2022-12-14 13:18:00,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 13:18:00,948 INFO L413 NwaCegarLoop]: 2786 mSDtfsCounter, 2100 mSDsluCounter, 13069 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 15855 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:18:00,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 15855 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1466 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-12-14 13:18:00,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46260 states. [2022-12-14 13:18:02,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46260 to 46095. [2022-12-14 13:18:02,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46095 states, 25843 states have (on average 1.3036412181248307) internal successors, (33690), 27411 states have internal predecessors, (33690), 17685 states have call successors, (17685), 2557 states have call predecessors, (17685), 2566 states have return successors, (18342), 16896 states have call predecessors, (18342), 17684 states have call successors, (18342) [2022-12-14 13:18:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46095 states to 46095 states and 69717 transitions. [2022-12-14 13:18:02,943 INFO L78 Accepts]: Start accepts. Automaton has 46095 states and 69717 transitions. Word has length 152 [2022-12-14 13:18:02,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:18:02,943 INFO L495 AbstractCegarLoop]: Abstraction has 46095 states and 69717 transitions. [2022-12-14 13:18:02,944 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) [2022-12-14 13:18:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 46095 states and 69717 transitions. [2022-12-14 13:18:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-14 13:18:02,967 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:02,967 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] [2022-12-14 13:18:02,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 13:18:03,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:03,168 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:03,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:03,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2051781501, now seen corresponding path program 1 times [2022-12-14 13:18:03,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:03,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440094536] [2022-12-14 13:18:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:03,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:18:03,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:03,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440094536] [2022-12-14 13:18:03,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440094536] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:18:03,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026516669] [2022-12-14 13:18:03,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:03,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:03,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:03,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:18:03,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 13:18:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:04,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 13:18:04,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:18:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:18:04,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:18:04,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026516669] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:18:04,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:18:04,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 13:18:04,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131703131] [2022-12-14 13:18:04,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:18:04,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 13:18:04,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:18:04,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 13:18:04,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 13:18:04,184 INFO L87 Difference]: Start difference. First operand 46095 states and 69717 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) [2022-12-14 13:18:08,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:10,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:12,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:14,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:21,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:18:21,947 INFO L93 Difference]: Finished difference Result 102259 states and 154641 transitions. [2022-12-14 13:18:21,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 13:18:21,947 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 [2022-12-14 13:18:21,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:18:22,340 INFO L225 Difference]: With dead ends: 102259 [2022-12-14 13:18:22,340 INFO L226 Difference]: Without dead ends: 60150 [2022-12-14 13:18:22,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 13:18:22,545 INFO L413 NwaCegarLoop]: 2658 mSDtfsCounter, 2136 mSDsluCounter, 12557 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 15215 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-12-14 13:18:22,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 15215 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1413 Invalid, 4 Unknown, 0 Unchecked, 15.6s Time] [2022-12-14 13:18:22,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60150 states. [2022-12-14 13:18:24,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60150 to 59853. [2022-12-14 13:18:24,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59853 states, 33542 states have (on average 1.3043050503845925) internal successors, (43749), 35581 states have internal predecessors, (43749), 22988 states have call successors, (22988), 3313 states have call predecessors, (22988), 3322 states have return successors, (23853), 21958 states have call predecessors, (23853), 22987 states have call successors, (23853) [2022-12-14 13:18:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59853 states to 59853 states and 90590 transitions. [2022-12-14 13:18:25,075 INFO L78 Accepts]: Start accepts. Automaton has 59853 states and 90590 transitions. Word has length 153 [2022-12-14 13:18:25,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:18:25,076 INFO L495 AbstractCegarLoop]: Abstraction has 59853 states and 90590 transitions. [2022-12-14 13:18:25,076 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) [2022-12-14 13:18:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 59853 states and 90590 transitions. [2022-12-14 13:18:25,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-14 13:18:25,105 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:25,105 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] [2022-12-14 13:18:25,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 13:18:25,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-14 13:18:25,306 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:25,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:25,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1107291513, now seen corresponding path program 1 times [2022-12-14 13:18:25,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:25,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15055849] [2022-12-14 13:18:25,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:25,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:18:25,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:25,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15055849] [2022-12-14 13:18:25,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15055849] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:18:25,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948928724] [2022-12-14 13:18:25,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:25,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:25,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:25,639 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:18:25,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 13:18:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:26,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 13:18:26,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:18:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:18:26,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:18:26,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948928724] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:18:26,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:18:26,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 13:18:26,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655656248] [2022-12-14 13:18:26,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:18:26,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 13:18:26,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:18:26,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 13:18:26,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 13:18:26,409 INFO L87 Difference]: Start difference. First operand 59853 states and 90590 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) [2022-12-14 13:18:30,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:32,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:34,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:36,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:38,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:40,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 13:18:47,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:18:47,789 INFO L93 Difference]: Finished difference Result 134740 states and 203907 transitions. [2022-12-14 13:18:47,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 13:18:47,790 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 [2022-12-14 13:18:47,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:18:48,397 INFO L225 Difference]: With dead ends: 134740 [2022-12-14 13:18:48,398 INFO L226 Difference]: Without dead ends: 78873 [2022-12-14 13:18:48,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 13:18:48,815 INFO L413 NwaCegarLoop]: 2658 mSDtfsCounter, 2136 mSDsluCounter, 12557 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 15215 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:18:48,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 15215 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1413 Invalid, 6 Unknown, 0 Unchecked, 18.5s Time] [2022-12-14 13:18:48,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78873 states. [2022-12-14 13:18:51,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78873 to 59861. [2022-12-14 13:18:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59861 states, 33550 states have (on average 1.3042324888226529) internal successors, (43757), 35581 states have internal predecessors, (43757), 22988 states have call successors, (22988), 3313 states have call predecessors, (22988), 3322 states have return successors, (23853), 21966 states have call predecessors, (23853), 22987 states have call successors, (23853) [2022-12-14 13:18:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59861 states to 59861 states and 90598 transitions. [2022-12-14 13:18:51,993 INFO L78 Accepts]: Start accepts. Automaton has 59861 states and 90598 transitions. Word has length 154 [2022-12-14 13:18:51,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:18:51,993 INFO L495 AbstractCegarLoop]: Abstraction has 59861 states and 90598 transitions. [2022-12-14 13:18:51,993 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) [2022-12-14 13:18:51,993 INFO L276 IsEmpty]: Start isEmpty. Operand 59861 states and 90598 transitions. [2022-12-14 13:18:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-14 13:18:52,043 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:18:52,043 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] [2022-12-14 13:18:52,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 13:18:52,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 13:18:52,245 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:18:52,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:18:52,246 INFO L85 PathProgramCache]: Analyzing trace with hash 347871576, now seen corresponding path program 1 times [2022-12-14 13:18:52,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:18:52,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979247019] [2022-12-14 13:18:52,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:52,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:18:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-12-14 13:18:52,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:18:52,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979247019] [2022-12-14 13:18:52,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979247019] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:18:52,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583854109] [2022-12-14 13:18:52,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:18:52,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:18:52,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:18:52,665 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:18:52,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a585dc7-b62d-46d4-a02e-fe9ef14a347c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 13:18:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:18:53,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 2408 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 13:18:53,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:18:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-14 13:18:53,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:18:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 13:18:53,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583854109] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:18:53,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [47126573] [2022-12-14 13:18:53,729 INFO L159 IcfgInterpreter]: Started Sifa with 106 locations of interest [2022-12-14 13:18:53,729 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:18:53,732 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:18:53,736 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:18:53,737 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:18:55,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:18:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:18:56,103 INFO L217 Elim1Store]: Index analysis took 340 ms [2022-12-14 13:19:16,057 WARN L233 SmtUtils]: Spent 19.91s 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) [2022-12-14 13:19:16,060 INFO L321 Elim1Store]: treesize reduction 3209, result has 33.8 percent of original size [2022-12-14 13:19:16,062 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 [2022-12-14 13:19:17,322 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 [2022-12-14 13:19:17,452 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 [2022-12-14 13:19:17,599 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 [2022-12-14 13:19:17,752 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 [2022-12-14 13:19:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:19:18,973 INFO L217 Elim1Store]: Index analysis took 892 ms [2022-12-14 13:19:47,455 WARN L233 SmtUtils]: Spent 28.46s 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) [2022-12-14 13:19:47,458 INFO L321 Elim1Store]: treesize reduction 5266, result has 25.5 percent of original size [2022-12-14 13:19:47,460 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 [2022-12-14 13:19:49,630 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 [2022-12-14 13:19:49,945 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 [2022-12-14 13:19:50,186 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 [2022-12-14 13:19:58,440 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 [2022-12-14 13:19:58,443 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 [2022-12-14 13:19:58,448 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 [2022-12-14 13:20:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,078 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 [2022-12-14 13:20:02,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:02,635 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 [2022-12-14 13:20:03,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:03,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:03,472 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 [2022-12-14 13:20:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:13,449 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 [2022-12-14 13:20:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,106 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 [2022-12-14 13:20:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:20:14,627 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 [2022-12-14 13:21:06,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 13:21:06,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 13:21:07,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 13:21:08,674 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:21:08,678 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:21:08,693 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:21:49,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 13:21:49,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 13:21:50,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 13:21:51,261 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:21:51,277 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:21:51,307 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:22:56,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 13:22:56,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 13:22:56,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 13:22:58,082 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:22:58,101 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:22:58,102 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:23:28,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 13:23:28,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 13:23:29,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 13:23:29,877 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:23:29,917 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:23:29,923 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 13:27:21,739 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1664 for LOIs [2022-12-14 13:28:11,102 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 234 for LOIs [2022-12-14 13:28:11,249 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 [2022-12-14 13:28:11,270 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 [2022-12-14 13:28:13,611 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 255 for LOIs [2022-12-14 13:28:13,694 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 262 for LOIs [2022-12-14 13:28:13,920 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 1664 for LOIs [2022-12-14 13:28:29,351 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:29:20,549 WARN L233 SmtUtils]: Spent 50.43s on a formula simplification. DAG size of input: 2462 DAG size of output: 1918 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 13:30:19,525 WARN L233 SmtUtils]: Spent 48.76s on a formula simplification. DAG size of input: 1914 DAG size of output: 1790 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)