./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/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_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/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_2867d415-109a-46b3-b9df-670d8dec9018/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 f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- 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 09:13:34,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:13:34,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:13:34,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:13:34,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:13:34,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:13:34,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:13:34,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:13:34,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:13:34,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:13:34,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:13:34,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:13:34,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:13:34,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:13:34,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:13:34,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:13:34,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:13:34,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:13:34,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:13:34,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:13:34,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:13:34,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:13:34,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:13:34,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:13:34,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:13:34,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:13:34,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:13:34,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:13:34,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:13:34,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:13:34,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:13:34,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:13:34,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:13:34,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:13:34,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:13:34,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:13:34,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:13:34,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:13:34,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:13:34,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:13:34,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:13:34,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:13:34,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:13:34,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:13:34,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:13:34,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:13:34,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:13:34,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:13:34,787 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:13:34,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:13:34,788 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:13:34,788 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:13:34,788 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:13:34,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:13:34,788 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:13:34,789 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:13:34,789 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:13:34,789 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:13:34,789 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:13:34,789 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:13:34,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:13:34,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:13:34,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:13:34,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:13:34,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:13:34,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:13:34,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:13:34,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:13:34,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:13:34,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:13:34,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:13:34,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:13:34,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:13:34,792 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:13:34,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:13:34,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:13:34,793 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:13:34,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:13:34,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:13:34,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:13:34,793 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_2867d415-109a-46b3-b9df-670d8dec9018/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2022-12-14 09:13:34,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:13:34,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:13:34,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:13:35,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:13:35,000 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:13:35,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-12-14 09:13:37,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:13:37,850 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:13:37,850 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-12-14 09:13:37,869 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/data/22b520cbd/975ee0e7a9d34a7d86a8d50f168c07cd/FLAGad0246fc1 [2022-12-14 09:13:38,087 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/data/22b520cbd/975ee0e7a9d34a7d86a8d50f168c07cd [2022-12-14 09:13:38,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:13:38,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:13:38,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:13:38,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:13:38,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:13:38,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:38" (1/1) ... [2022-12-14 09:13:38,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645c55aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:38, skipping insertion in model container [2022-12-14 09:13:38,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:38" (1/1) ... [2022-12-14 09:13:38,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:13:38,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:13:38,600 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:13:38,626 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 09:13:38,689 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 09:13:38,693 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 09:13:38,718 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 09:13:38,751 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 09:13:38,755 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:13:38,755 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 09:13:38,765 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:13:38,768 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 09:13:38,781 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:38,782 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:13:38,783 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:13:38,783 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 09:13:38,786 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:38,787 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:13:38,808 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 09:13:38,816 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-14 09:13:38,828 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 09:13:38,829 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 09:13:38,835 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:13:38,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:38,886 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:38,888 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:38,891 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:38,914 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 09:13:38,924 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:13:38,926 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:13:38,936 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:38,937 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 09:13:38,937 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:38,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:38,949 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:38,956 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:38,963 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 09:13:38,964 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 09:13:38,969 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 09:13:38,970 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 09:13:38,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:38,990 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-12-14 09:13:38,992 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:13:38,995 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:13:38,998 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:38,999 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,008 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:39,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,088 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:13:39,090 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 09:13:39,092 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,093 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,100 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 09:13:39,101 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 09:13:39,101 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 09:13:39,107 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 09:13:39,108 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 09:13:39,116 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-14 09:13:39,120 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-14 09:13:39,130 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:39,131 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:39,131 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,132 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:39,132 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,136 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 09:13:39,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,137 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 09:13:39,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,144 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 09:13:39,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,145 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,145 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 09:13:39,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,146 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,147 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,147 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,148 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,148 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,149 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,149 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,150 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,150 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,150 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,151 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,151 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,152 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:39,153 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-14 09:13:39,153 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 09:13:39,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,154 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:13:39,154 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,155 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,155 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,155 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,155 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,158 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,158 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,158 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,158 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,159 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,159 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,160 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,160 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,160 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,160 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,164 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-14 09:13:39,165 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:13:39,165 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,165 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,166 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,171 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:39,171 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 09:13:39,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,175 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 09:13:39,185 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:13:39,185 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:13:39,186 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:13:39,186 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:13:39,189 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_2867d415-109a-46b3-b9df-670d8dec9018/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-12-14 09:13:39,195 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-12-14 09:13:39,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:13:39,249 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:13:39,333 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:13:39,334 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 09:13:39,336 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 09:13:39,338 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 09:13:39,340 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 09:13:39,345 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 09:13:39,346 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:13:39,346 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 09:13:39,348 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 09:13:39,348 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 09:13:39,349 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:39,349 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:13:39,350 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:13:39,350 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 09:13:39,351 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:39,351 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:13:39,352 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 09:13:39,353 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-14 09:13:39,354 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 09:13:39,354 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 09:13:39,355 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:13:39,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,361 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,362 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,363 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,367 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 09:13:39,372 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:13:39,373 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:13:39,377 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,378 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 09:13:39,378 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,384 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,389 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,392 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 09:13:39,392 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 09:13:39,393 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 09:13:39,393 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 09:13:39,397 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,398 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-12-14 09:13:39,399 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:13:39,400 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:13:39,402 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,402 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,405 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:39,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,411 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,432 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:13:39,434 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 09:13:39,434 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,435 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,438 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 09:13:39,439 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 09:13:39,439 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 09:13:39,440 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 09:13:39,440 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 09:13:39,441 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-14 09:13:39,456 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-14 09:13:39,462 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:39,463 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:39,463 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,463 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:39,464 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:13:39,465 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 09:13:39,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,465 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 09:13:39,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,469 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 09:13:39,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,469 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,470 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 09:13:39,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,470 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,470 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,471 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,471 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,471 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,472 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,472 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,472 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,473 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,473 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,473 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,473 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,474 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:39,475 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-14 09:13:39,475 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 09:13:39,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,475 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:13:39,476 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,476 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,476 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,476 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,476 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,480 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,480 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,480 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,480 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,481 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,481 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,481 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:13:39,482 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,482 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,482 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:39,483 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-14 09:13:39,483 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:13:39,483 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,483 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 09:13:39,483 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:13:39,485 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:39,485 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 09:13:39,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:39,486 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 09:13:39,487 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:13:39,487 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:13:39,488 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:13:39,488 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 09:13:39,489 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_2867d415-109a-46b3-b9df-670d8dec9018/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-12-14 09:13:39,489 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-12-14 09:13:39,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:13:39,631 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:13:39,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39 WrapperNode [2022-12-14 09:13:39,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:13:39,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:13:39,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:13:39,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:13:39,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,766 INFO L138 Inliner]: procedures = 200, calls = 1513, calls flagged for inlining = 98, calls inlined = 84, statements flattened = 3353 [2022-12-14 09:13:39,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:13:39,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:13:39,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:13:39,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:13:39,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,845 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:13:39,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:13:39,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:13:39,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:13:39,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (1/1) ... [2022-12-14 09:13:39,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:13:39,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:13:39,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:13:39,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:13:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 09:13:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:13:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 09:13:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 09:13:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 09:13:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 09:13:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 09:13:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 09:13:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 09:13:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 09:13:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-14 09:13:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-12-14 09:13:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 09:13:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-12-14 09:13:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 09:13:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 09:13:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 09:13:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-14 09:13:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-14 09:13:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-14 09:13:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2022-12-14 09:13:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 09:13:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-12-14 09:13:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2022-12-14 09:13:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 09:13:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 09:13:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 09:13:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 09:13:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 09:13:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-12-14 09:13:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 09:13:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2022-12-14 09:13:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 09:13:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 09:13:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 09:13:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2022-12-14 09:13:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 09:13:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2022-12-14 09:13:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2022-12-14 09:13:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 09:13:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 09:13:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 09:13:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-12-14 09:13:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-12-14 09:13:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2022-12-14 09:13:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2022-12-14 09:13:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:13:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-12-14 09:13:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-12-14 09:13:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-12-14 09:13:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-12-14 09:13:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-12-14 09:13:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-12-14 09:13:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-12-14 09:13:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-12-14 09:13:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:13:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:13:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 09:13:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 09:13:40,279 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:13:40,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:13:40,857 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 09:13:40,863 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 09:13:40,871 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 09:13:40,872 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 09:13:40,874 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 09:13:40,874 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 09:13:40,882 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 09:13:42,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume !false; [2022-12-14 09:13:42,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##414: assume false; [2022-12-14 09:13:42,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2022-12-14 09:13:42,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2022-12-14 09:13:42,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-12-14 09:13:42,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-12-14 09:13:42,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##225: assume false; [2022-12-14 09:13:42,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##226: assume !false; [2022-12-14 09:13:42,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##239: assume false; [2022-12-14 09:13:42,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume !false; [2022-12-14 09:13:42,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-12-14 09:13:42,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-12-14 09:13:42,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##104: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2022-12-14 09:13:42,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume false; [2022-12-14 09:13:42,282 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:13:42,803 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:13:42,803 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:13:42,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:42 BoogieIcfgContainer [2022-12-14 09:13:42,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:13:42,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:13:42,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:13:42,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:13:42,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:13:38" (1/3) ... [2022-12-14 09:13:42,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b676304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:13:42, skipping insertion in model container [2022-12-14 09:13:42,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:39" (2/3) ... [2022-12-14 09:13:42,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b676304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:13:42, skipping insertion in model container [2022-12-14 09:13:42,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:42" (3/3) ... [2022-12-14 09:13:42,812 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-12-14 09:13:42,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:13:42,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:13:42,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:13:42,878 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;@7ba6949e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:13:42,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:13:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 821 states, 503 states have (on average 1.3041749502982107) internal successors, (656), 511 states have internal predecessors, (656), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-12-14 09:13:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 09:13:42,892 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:13:42,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:13:42,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:13:42,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:13:42,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1842207770, now seen corresponding path program 1 times [2022-12-14 09:13:42,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:13:42,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23752408] [2022-12-14 09:13:42,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:42,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:13:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:43,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:13:43,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23752408] [2022-12-14 09:13:43,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23752408] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:13:43,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:13:43,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:13:43,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239715621] [2022-12-14 09:13:43,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:13:43,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:13:43,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:13:43,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:13:43,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:13:43,238 INFO L87 Difference]: Start difference. First operand has 821 states, 503 states have (on average 1.3041749502982107) internal successors, (656), 511 states have internal predecessors, (656), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:13:44,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:13:44,132 INFO L93 Difference]: Finished difference Result 1640 states and 2353 transitions. [2022-12-14 09:13:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:13:44,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2022-12-14 09:13:44,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:13:44,151 INFO L225 Difference]: With dead ends: 1640 [2022-12-14 09:13:44,151 INFO L226 Difference]: Without dead ends: 819 [2022-12-14 09:13:44,158 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 09:13:44,160 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 0 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:13:44,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2073 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:13:44,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2022-12-14 09:13:44,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 819. [2022-12-14 09:13:44,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 503 states have (on average 1.3001988071570576) internal successors, (654), 509 states have internal predecessors, (654), 260 states have call successors, (260), 56 states have call predecessors, (260), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-12-14 09:13:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1172 transitions. [2022-12-14 09:13:44,262 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1172 transitions. Word has length 15 [2022-12-14 09:13:44,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:13:44,263 INFO L495 AbstractCegarLoop]: Abstraction has 819 states and 1172 transitions. [2022-12-14 09:13:44,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:13:44,263 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1172 transitions. [2022-12-14 09:13:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 09:13:44,264 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:13:44,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:13:44,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:13:44,265 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:13:44,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:13:44,265 INFO L85 PathProgramCache]: Analyzing trace with hash -416616467, now seen corresponding path program 1 times [2022-12-14 09:13:44,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:13:44,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441018164] [2022-12-14 09:13:44,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:44,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:13:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:44,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:13:44,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441018164] [2022-12-14 09:13:44,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441018164] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:13:44,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958066837] [2022-12-14 09:13:44,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:44,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:13:44,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:13:44,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:13:44,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:13:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:44,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:13:44,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:13:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:13:44,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:13:44,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958066837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:13:44,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:13:44,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 09:13:44,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281836044] [2022-12-14 09:13:44,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:13:44,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:13:44,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:13:44,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:13:44,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:13:44,768 INFO L87 Difference]: Start difference. First operand 819 states and 1172 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:13:45,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:13:45,643 INFO L93 Difference]: Finished difference Result 2373 states and 3389 transitions. [2022-12-14 09:13:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:13:45,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2022-12-14 09:13:45,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:13:45,650 INFO L225 Difference]: With dead ends: 2373 [2022-12-14 09:13:45,650 INFO L226 Difference]: Without dead ends: 1559 [2022-12-14 09:13:45,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:13:45,653 INFO L413 NwaCegarLoop]: 1405 mSDtfsCounter, 1051 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:13:45,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 2429 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:13:45,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2022-12-14 09:13:45,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1555. [2022-12-14 09:13:45,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 954 states have (on average 1.29874213836478) internal successors, (1239), 965 states have internal predecessors, (1239), 490 states have call successors, (490), 111 states have call predecessors, (490), 110 states have return successors, (488), 487 states have call predecessors, (488), 488 states have call successors, (488) [2022-12-14 09:13:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2217 transitions. [2022-12-14 09:13:45,709 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2217 transitions. Word has length 16 [2022-12-14 09:13:45,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:13:45,709 INFO L495 AbstractCegarLoop]: Abstraction has 1555 states and 2217 transitions. [2022-12-14 09:13:45,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 09:13:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2217 transitions. [2022-12-14 09:13:45,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 09:13:45,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:13:45,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:13:45,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:13:45,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:13:45,911 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:13:45,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:13:45,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1427291343, now seen corresponding path program 1 times [2022-12-14 09:13:45,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:13:45,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669106265] [2022-12-14 09:13:45,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:45,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:13:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:46,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:13:46,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669106265] [2022-12-14 09:13:46,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669106265] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:13:46,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745286837] [2022-12-14 09:13:46,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:46,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:13:46,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:13:46,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:13:46,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:13:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:46,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:13:46,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:13:46,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:46,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:13:46,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:46,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745286837] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:13:46,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [693901755] [2022-12-14 09:13:46,497 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-12-14 09:13:46,497 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:13:46,500 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:13:46,504 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:13:46,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:13:47,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 182 [2022-12-14 09:13:47,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:13:47,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:13:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:49,638 INFO L321 Elim1Store]: treesize reduction 972, result has 33.4 percent of original size [2022-12-14 09:13:49,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 57 select indices, 57 select index equivalence classes, 1542 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 108 case distinctions, treesize of input 292 treesize of output 673 [2022-12-14 09:13:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:50,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1541 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 282 treesize of output 446 [2022-12-14 09:13:51,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 899 treesize of output 749 [2022-12-14 09:13:51,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 1 [2022-12-14 09:13:51,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:13:51,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:13:58,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:58,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6844 treesize of output 6507 [2022-12-14 09:13:59,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:59,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 6849 treesize of output 6487 [2022-12-14 09:14:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:00,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6840 treesize of output 6503 [2022-12-14 09:14:06,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:14:08,385 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 25 treesize of output 1 [2022-12-14 09:14:08,395 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 16 treesize of output 12 [2022-12-14 09:14:08,406 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 16 treesize of output 12 [2022-12-14 09:14:08,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-12-14 09:14:09,561 INFO L197 IcfgInterpreter]: Interpreting procedure dev_to_hdlc with input of size 100 for LOIs [2022-12-14 09:14:09,583 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 97 for LOIs [2022-12-14 09:14:09,588 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 133 for LOIs [2022-12-14 09:14:09,651 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 106 for LOIs [2022-12-14 09:14:09,658 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:14:16,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [693901755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:14:16,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:14:16,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 3, 4] total 30 [2022-12-14 09:14:16,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957995636] [2022-12-14 09:14:16,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:14:16,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-14 09:14:16,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:16,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-14 09:14:16,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=756, Unknown=0, NotChecked=0, Total=870 [2022-12-14 09:14:16,575 INFO L87 Difference]: Start difference. First operand 1555 states and 2217 transitions. Second operand has 25 states, 20 states have (on average 1.1) internal successors, (22), 18 states have internal predecessors, (22), 4 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 09:14:40,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:40,712 INFO L93 Difference]: Finished difference Result 3366 states and 4774 transitions. [2022-12-14 09:14:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 09:14:40,713 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.1) internal successors, (22), 18 states have internal predecessors, (22), 4 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-12-14 09:14:40,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:40,720 INFO L225 Difference]: With dead ends: 3366 [2022-12-14 09:14:40,720 INFO L226 Difference]: Without dead ends: 1808 [2022-12-14 09:14:40,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=163, Invalid=1243, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 09:14:40,723 INFO L413 NwaCegarLoop]: 1113 mSDtfsCounter, 272 mSDsluCounter, 13634 mSDsCounter, 0 mSdLazyCounter, 6448 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 14747 SdHoareTripleChecker+Invalid, 6492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 6448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:40,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 14747 Invalid, 6492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [44 Valid, 6448 Invalid, 0 Unknown, 0 Unchecked, 22.5s Time] [2022-12-14 09:14:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2022-12-14 09:14:40,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1739. [2022-12-14 09:14:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1739 states, 1068 states have (on average 1.294007490636704) internal successors, (1382), 1082 states have internal predecessors, (1382), 533 states have call successors, (533), 139 states have call predecessors, (533), 137 states have return successors, (531), 529 states have call predecessors, (531), 531 states have call successors, (531) [2022-12-14 09:14:40,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2446 transitions. [2022-12-14 09:14:40,823 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2446 transitions. Word has length 30 [2022-12-14 09:14:40,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:40,823 INFO L495 AbstractCegarLoop]: Abstraction has 1739 states and 2446 transitions. [2022-12-14 09:14:40,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.1) internal successors, (22), 18 states have internal predecessors, (22), 4 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 09:14:40,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2446 transitions. [2022-12-14 09:14:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 09:14:40,827 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:40,828 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:40,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 09:14:41,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:14:41,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:14:41,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:41,029 INFO L85 PathProgramCache]: Analyzing trace with hash -113764861, now seen corresponding path program 1 times [2022-12-14 09:14:41,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:41,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875763294] [2022-12-14 09:14:41,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:41,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:14:41,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:41,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875763294] [2022-12-14 09:14:41,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875763294] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:14:41,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292423342] [2022-12-14 09:14:41,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:41,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:14:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:14:41,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:14:41,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:14:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:41,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:14:41,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:14:41,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:14:41,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:14:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:14:41,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292423342] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:14:41,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1464730649] [2022-12-14 09:14:41,564 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2022-12-14 09:14:41,564 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:14:41,564 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:14:41,564 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:14:41,565 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:14:42,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:14:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:43,257 INFO L321 Elim1Store]: treesize reduction 560, result has 45.5 percent of original size [2022-12-14 09:14:43,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1487 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 54 case distinctions, treesize of input 282 treesize of output 642 [2022-12-14 09:14:43,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 182 [2022-12-14 09:14:43,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:14:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:45,493 INFO L321 Elim1Store]: treesize reduction 972, result has 33.4 percent of original size [2022-12-14 09:14:45,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 57 select indices, 57 select index equivalence classes, 1542 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 108 case distinctions, treesize of input 292 treesize of output 673 [2022-12-14 09:14:46,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 899 treesize of output 749 [2022-12-14 09:14:47,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 1 [2022-12-14 09:14:47,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:14:47,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:14:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:54,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6844 treesize of output 6507 [2022-12-14 09:14:55,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:55,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 6849 treesize of output 6487 [2022-12-14 09:14:55,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:14:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:56,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6840 treesize of output 6503 [2022-12-14 09:15:03,643 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 16 treesize of output 12 [2022-12-14 09:15:03,652 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 25 treesize of output 1 [2022-12-14 09:15:03,662 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 16 treesize of output 12 [2022-12-14 09:15:03,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-12-14 09:15:04,102 INFO L321 Elim1Store]: treesize reduction 61, result has 22.8 percent of original size [2022-12-14 09:15:04,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 36 [2022-12-14 09:15:04,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:15:04,477 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:15:04,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:15:05,226 INFO L321 Elim1Store]: treesize reduction 115, result has 43.9 percent of original size [2022-12-14 09:15:05,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 411 treesize of output 486 [2022-12-14 09:15:06,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:15:18,900 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:15:18,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:15:19,688 INFO L321 Elim1Store]: treesize reduction 115, result has 43.9 percent of original size [2022-12-14 09:15:19,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 411 treesize of output 486 [2022-12-14 09:15:23,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:15:24,286 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:15:24,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:15:29,540 INFO L197 IcfgInterpreter]: Interpreting procedure dev_to_hdlc with input of size 130 for LOIs [2022-12-14 09:15:29,555 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 97 for LOIs [2022-12-14 09:15:29,560 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 203 for LOIs [2022-12-14 09:15:29,777 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 106 for LOIs [2022-12-14 09:15:29,783 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:15:56,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1464730649] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:15:56,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:15:56,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [4, 3, 4] total 36 [2022-12-14 09:15:56,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659207408] [2022-12-14 09:15:56,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:15:56,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-12-14 09:15:56,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:15:56,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-12-14 09:15:56,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1136, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 09:15:56,838 INFO L87 Difference]: Start difference. First operand 1739 states and 2446 transitions. Second operand has 31 states, 25 states have (on average 1.12) internal successors, (28), 23 states have internal predecessors, (28), 5 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 09:17:25,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:17:25,420 INFO L93 Difference]: Finished difference Result 4862 states and 6950 transitions. [2022-12-14 09:17:25,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-14 09:17:25,421 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 25 states have (on average 1.12) internal successors, (28), 23 states have internal predecessors, (28), 5 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2022-12-14 09:17:25,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:17:25,430 INFO L225 Difference]: With dead ends: 4862 [2022-12-14 09:17:25,431 INFO L226 Difference]: Without dead ends: 3304 [2022-12-14 09:17:25,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 44.9s TimeCoverageRelationStatistics Valid=246, Invalid=2010, Unknown=0, NotChecked=0, Total=2256 [2022-12-14 09:17:25,434 INFO L413 NwaCegarLoop]: 1226 mSDtfsCounter, 1581 mSDsluCounter, 9439 mSDsCounter, 0 mSdLazyCounter, 16417 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1711 SdHoareTripleChecker+Valid, 10665 SdHoareTripleChecker+Invalid, 16564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 16417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:17:25,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1711 Valid, 10665 Invalid, 16564 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [147 Valid, 16417 Invalid, 0 Unknown, 0 Unchecked, 69.6s Time] [2022-12-14 09:17:25,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2022-12-14 09:17:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 2929. [2022-12-14 09:17:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 1796 states have (on average 1.292316258351893) internal successors, (2321), 1819 states have internal predecessors, (2321), 911 states have call successors, (911), 224 states have call predecessors, (911), 221 states have return successors, (909), 905 states have call predecessors, (909), 909 states have call successors, (909) [2022-12-14 09:17:26,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 4141 transitions. [2022-12-14 09:17:26,033 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 4141 transitions. Word has length 42 [2022-12-14 09:17:26,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:17:26,033 INFO L495 AbstractCegarLoop]: Abstraction has 2929 states and 4141 transitions. [2022-12-14 09:17:26,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 25 states have (on average 1.12) internal successors, (28), 23 states have internal predecessors, (28), 5 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 09:17:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 4141 transitions. [2022-12-14 09:17:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 09:17:26,035 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:17:26,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:17:26,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 09:17:26,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:17:26,236 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:17:26,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:17:26,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2134453061, now seen corresponding path program 1 times [2022-12-14 09:17:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:17:26,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231316309] [2022-12-14 09:17:26,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:17:26,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:17:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:17:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:17:26,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:17:26,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231316309] [2022-12-14 09:17:26,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231316309] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:17:26,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728835995] [2022-12-14 09:17:26,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:17:26,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:17:26,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:17:26,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:17:26,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:17:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:17:26,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:17:26,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:17:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:17:26,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:17:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:17:26,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728835995] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:17:26,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1386119487] [2022-12-14 09:17:26,721 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2022-12-14 09:17:26,721 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:17:26,721 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:17:26,722 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:17:26,722 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:17:27,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:28,693 INFO L321 Elim1Store]: treesize reduction 560, result has 45.5 percent of original size [2022-12-14 09:17:28,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1487 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 54 case distinctions, treesize of input 282 treesize of output 642 [2022-12-14 09:17:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:30,996 INFO L321 Elim1Store]: treesize reduction 972, result has 33.4 percent of original size [2022-12-14 09:17:30,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 57 select indices, 57 select index equivalence classes, 1542 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 108 case distinctions, treesize of input 292 treesize of output 673 [2022-12-14 09:17:31,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:17:31,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:17:31,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 182 [2022-12-14 09:17:33,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 899 treesize of output 749 [2022-12-14 09:17:33,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 1 [2022-12-14 09:17:33,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:17:33,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:17:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:40,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6844 treesize of output 6507 [2022-12-14 09:17:41,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:41,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 6849 treesize of output 6487 [2022-12-14 09:17:42,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:17:42,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:17:42,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6840 treesize of output 6503 [2022-12-14 09:17:50,271 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 16 treesize of output 12 [2022-12-14 09:17:50,279 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 16 treesize of output 12 [2022-12-14 09:17:50,285 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 25 treesize of output 1 [2022-12-14 09:17:50,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-12-14 09:17:52,250 INFO L197 IcfgInterpreter]: Interpreting procedure dev_to_hdlc with input of size 100 for LOIs [2022-12-14 09:17:52,274 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_return_value with input of size 97 for LOIs [2022-12-14 09:17:52,278 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 97 for LOIs [2022-12-14 09:17:52,283 INFO L197 IcfgInterpreter]: Interpreting procedure netif_wake_queue with input of size 138 for LOIs [2022-12-14 09:17:52,494 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 106 for LOIs [2022-12-14 09:17:52,501 INFO L197 IcfgInterpreter]: Interpreting procedure netdev_get_tx_queue with input of size 140 for LOIs [2022-12-14 09:17:52,522 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:18:03,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1386119487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:18:03,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:18:03,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [4, 3, 4] total 40 [2022-12-14 09:18:03,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734660361] [2022-12-14 09:18:03,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:18:03,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-14 09:18:03,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:18:03,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-14 09:18:03,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1411, Unknown=0, NotChecked=0, Total=1560 [2022-12-14 09:18:03,702 INFO L87 Difference]: Start difference. First operand 2929 states and 4141 transitions. Second operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-14 09:18:29,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 09:18:32,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:18:32,323 INFO L93 Difference]: Finished difference Result 3169 states and 4464 transitions. [2022-12-14 09:18:32,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-14 09:18:32,324 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 44 [2022-12-14 09:18:32,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:18:32,335 INFO L225 Difference]: With dead ends: 3169 [2022-12-14 09:18:32,335 INFO L226 Difference]: Without dead ends: 3163 [2022-12-14 09:18:32,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 932 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=241, Invalid=2515, Unknown=0, NotChecked=0, Total=2756 [2022-12-14 09:18:32,337 INFO L413 NwaCegarLoop]: 1113 mSDtfsCounter, 284 mSDsluCounter, 13896 mSDsCounter, 0 mSdLazyCounter, 6180 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 15009 SdHoareTripleChecker+Invalid, 6244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 6180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:18:32,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 15009 Invalid, 6244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 6180 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2022-12-14 09:18:32,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2022-12-14 09:18:32,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 3112. [2022-12-14 09:18:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3112 states, 1905 states have (on average 1.288713910761155) internal successors, (2455), 1934 states have internal predecessors, (2455), 966 states have call successors, (966), 243 states have call predecessors, (966), 240 states have return successors, (964), 958 states have call predecessors, (964), 964 states have call successors, (964) [2022-12-14 09:18:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 3112 states and 4385 transitions. [2022-12-14 09:18:32,985 INFO L78 Accepts]: Start accepts. Automaton has 3112 states and 4385 transitions. Word has length 44 [2022-12-14 09:18:32,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:18:32,985 INFO L495 AbstractCegarLoop]: Abstraction has 3112 states and 4385 transitions. [2022-12-14 09:18:32,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-14 09:18:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 4385 transitions. [2022-12-14 09:18:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 09:18:32,987 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:18:32,987 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:18:32,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 09:18:33,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:18:33,189 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:18:33,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:18:33,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2000247492, now seen corresponding path program 1 times [2022-12-14 09:18:33,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:18:33,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024541085] [2022-12-14 09:18:33,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:18:33,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:18:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:18:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 09:18:33,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:18:33,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024541085] [2022-12-14 09:18:33,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024541085] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:18:33,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988252053] [2022-12-14 09:18:33,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:18:33,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:18:33,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:18:33,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:18:33,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 09:18:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:18:33,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:18:33,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:18:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 09:18:33,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:18:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 09:18:33,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988252053] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:18:33,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [152519084] [2022-12-14 09:18:33,734 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2022-12-14 09:18:33,734 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:18:33,734 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:18:33,734 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:18:33,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:18:34,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:18:34,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:18:34,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 182 [2022-12-14 09:18:34,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:36,402 INFO L321 Elim1Store]: treesize reduction 972, result has 33.4 percent of original size [2022-12-14 09:18:36,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 57 select indices, 57 select index equivalence classes, 1542 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 108 case distinctions, treesize of input 292 treesize of output 673 [2022-12-14 09:18:36,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:36,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1541 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 282 treesize of output 446 [2022-12-14 09:18:37,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:18:38,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:38,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 899 treesize of output 749 [2022-12-14 09:18:38,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 1 [2022-12-14 09:18:38,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:18:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6844 treesize of output 6507 [2022-12-14 09:18:46,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:46,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6840 treesize of output 6503 [2022-12-14 09:18:47,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:18:47,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 6845 treesize of output 6483 [2022-12-14 09:18:54,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:18:55,649 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 16 treesize of output 12 [2022-12-14 09:18:55,655 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 25 treesize of output 1 [2022-12-14 09:18:55,663 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 16 treesize of output 12 [2022-12-14 09:18:55,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-12-14 09:18:57,618 INFO L197 IcfgInterpreter]: Interpreting procedure dev_to_hdlc with input of size 100 for LOIs [2022-12-14 09:18:57,640 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_return_value with input of size 114 for LOIs [2022-12-14 09:18:57,660 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 97 for LOIs [2022-12-14 09:18:57,665 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 133 for LOIs [2022-12-14 09:18:57,727 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 106 for LOIs [2022-12-14 09:18:57,739 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:19:07,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [152519084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:19:07,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:19:07,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 3, 4] total 35 [2022-12-14 09:19:07,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609325437] [2022-12-14 09:19:07,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:19:07,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-14 09:19:07,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:19:07,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-14 09:19:07,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1043, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 09:19:07,757 INFO L87 Difference]: Start difference. First operand 3112 states and 4385 transitions. Second operand has 30 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (6), 6 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 09:19:27,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 09:19:31,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:19:31,986 INFO L93 Difference]: Finished difference Result 4558 states and 6445 transitions. [2022-12-14 09:19:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 09:19:31,987 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (6), 6 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2022-12-14 09:19:31,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:19:31,994 INFO L225 Difference]: With dead ends: 4558 [2022-12-14 09:19:31,994 INFO L226 Difference]: Without dead ends: 3053 [2022-12-14 09:19:31,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=185, Invalid=1537, Unknown=0, NotChecked=0, Total=1722 [2022-12-14 09:19:31,997 INFO L413 NwaCegarLoop]: 1114 mSDtfsCounter, 233 mSDsluCounter, 11566 mSDsCounter, 0 mSdLazyCounter, 5847 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 12680 SdHoareTripleChecker+Invalid, 5886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 5847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:19:31,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 12680 Invalid, 5886 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [39 Valid, 5847 Invalid, 0 Unknown, 0 Unchecked, 22.3s Time] [2022-12-14 09:19:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2022-12-14 09:19:32,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3002. [2022-12-14 09:19:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3002 states, 1839 states have (on average 1.2887438825448614) internal successors, (2370), 1864 states have internal predecessors, (2370), 938 states have call successors, (938), 227 states have call predecessors, (938), 224 states have return successors, (936), 931 states have call predecessors, (936), 936 states have call successors, (936) [2022-12-14 09:19:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 3002 states and 4244 transitions. [2022-12-14 09:19:32,517 INFO L78 Accepts]: Start accepts. Automaton has 3002 states and 4244 transitions. Word has length 45 [2022-12-14 09:19:32,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:19:32,517 INFO L495 AbstractCegarLoop]: Abstraction has 3002 states and 4244 transitions. [2022-12-14 09:19:32,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (6), 6 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 09:19:32,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 4244 transitions. [2022-12-14 09:19:32,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 09:19:32,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:19:32,519 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:19:32,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 09:19:32,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 09:19:32,721 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:19:32,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:19:32,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1490349538, now seen corresponding path program 1 times [2022-12-14 09:19:32,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:19:32,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828640243] [2022-12-14 09:19:32,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:32,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:19:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:19:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:19:32,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:19:32,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828640243] [2022-12-14 09:19:32,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828640243] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:19:32,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751289007] [2022-12-14 09:19:32,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:32,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:19:32,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:19:32,875 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:19:32,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 09:19:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:19:33,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:19:33,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:19:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:19:33,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:19:33,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:19:33,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751289007] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:19:33,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [561297487] [2022-12-14 09:19:33,249 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2022-12-14 09:19:33,250 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:19:33,250 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:19:33,250 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:19:33,250 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:19:33,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:19:33,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:35,560 INFO L321 Elim1Store]: treesize reduction 972, result has 33.4 percent of original size [2022-12-14 09:19:35,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 57 select indices, 57 select index equivalence classes, 1542 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 108 case distinctions, treesize of input 292 treesize of output 673 [2022-12-14 09:19:35,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 182 [2022-12-14 09:19:36,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:36,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1541 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 282 treesize of output 446 [2022-12-14 09:19:36,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:19:37,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 823 treesize of output 668 [2022-12-14 09:19:37,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 909 treesize of output 759 [2022-12-14 09:19:37,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:19:38,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 823 treesize of output 668 [2022-12-14 09:19:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6854 treesize of output 6517 [2022-12-14 09:19:45,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:45,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 6859 treesize of output 6497 [2022-12-14 09:19:46,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:19:46,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:46,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6850 treesize of output 6513 [2022-12-14 09:19:54,527 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 16 treesize of output 12 [2022-12-14 09:19:54,565 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 25 treesize of output 1 [2022-12-14 09:19:54,580 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 16 treesize of output 12 [2022-12-14 09:19:54,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-12-14 09:19:55,088 INFO L321 Elim1Store]: treesize reduction 61, result has 22.8 percent of original size [2022-12-14 09:19:55,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 36 [2022-12-14 09:19:55,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:19:55,683 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:19:55,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:19:56,241 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 09:19:56,241 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-14 09:19:56,336 INFO L321 Elim1Store]: treesize reduction 108, result has 21.7 percent of original size [2022-12-14 09:19:56,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 34 treesize of output 51 [2022-12-14 09:19:56,893 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:19:56,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:20:01,445 INFO L321 Elim1Store]: treesize reduction 115, result has 43.9 percent of original size [2022-12-14 09:20:01,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 537 treesize of output 612 [2022-12-14 09:20:11,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:20:13,856 INFO L197 IcfgInterpreter]: Interpreting procedure dev_to_hdlc with input of size 130 for LOIs [2022-12-14 09:20:13,884 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 97 for LOIs [2022-12-14 09:20:13,893 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 126 for LOIs [2022-12-14 09:20:13,968 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 106 for LOIs [2022-12-14 09:20:13,979 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:20:42,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [561297487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:20:42,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:20:42,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [4, 3, 4] total 40 [2022-12-14 09:20:42,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351734428] [2022-12-14 09:20:42,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:20:42,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-14 09:20:42,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:20:42,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-14 09:20:42,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1412, Unknown=0, NotChecked=0, Total=1560 [2022-12-14 09:20:42,023 INFO L87 Difference]: Start difference. First operand 3002 states and 4244 transitions. Second operand has 35 states, 29 states have (on average 1.103448275862069) internal successors, (32), 27 states have internal predecessors, (32), 5 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 09:21:40,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:22:02,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:22:02,197 INFO L93 Difference]: Finished difference Result 6751 states and 9641 transitions. [2022-12-14 09:22:02,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-12-14 09:22:02,198 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 29 states have (on average 1.103448275862069) internal successors, (32), 27 states have internal predecessors, (32), 5 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2022-12-14 09:22:02,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:22:02,210 INFO L225 Difference]: With dead ends: 6751 [2022-12-14 09:22:02,210 INFO L226 Difference]: Without dead ends: 4612 [2022-12-14 09:22:02,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 36.4s TimeCoverageRelationStatistics Valid=262, Invalid=2288, Unknown=0, NotChecked=0, Total=2550 [2022-12-14 09:22:02,214 INFO L413 NwaCegarLoop]: 1226 mSDtfsCounter, 1527 mSDsluCounter, 13439 mSDsCounter, 0 mSdLazyCounter, 17750 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 14665 SdHoareTripleChecker+Invalid, 17924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 17750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:22:02,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1658 Valid, 14665 Invalid, 17924 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [174 Valid, 17750 Invalid, 0 Unknown, 0 Unchecked, 70.1s Time] [2022-12-14 09:22:02,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4612 states. [2022-12-14 09:22:02,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4612 to 3600. [2022-12-14 09:22:02,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3600 states, 2206 states have (on average 1.2905711695376247) internal successors, (2847), 2236 states have internal predecessors, (2847), 1127 states have call successors, (1127), 269 states have call predecessors, (1127), 266 states have return successors, (1125), 1119 states have call predecessors, (1125), 1125 states have call successors, (1125) [2022-12-14 09:22:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3600 states and 5099 transitions. [2022-12-14 09:22:02,961 INFO L78 Accepts]: Start accepts. Automaton has 3600 states and 5099 transitions. Word has length 46 [2022-12-14 09:22:02,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:22:02,961 INFO L495 AbstractCegarLoop]: Abstraction has 3600 states and 5099 transitions. [2022-12-14 09:22:02,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 29 states have (on average 1.103448275862069) internal successors, (32), 27 states have internal predecessors, (32), 5 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 09:22:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5099 transitions. [2022-12-14 09:22:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 09:22:02,964 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:22:02,964 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:22:02,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 09:22:03,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:22:03,166 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:22:03,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:22:03,167 INFO L85 PathProgramCache]: Analyzing trace with hash 2132109241, now seen corresponding path program 1 times [2022-12-14 09:22:03,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:22:03,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229606082] [2022-12-14 09:22:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:22:03,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:22:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:22:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:22:03,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:22:03,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229606082] [2022-12-14 09:22:03,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229606082] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:22:03,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677517147] [2022-12-14 09:22:03,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:22:03,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:22:03,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:22:03,288 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:22:03,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 09:22:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:22:03,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:22:03,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:22:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:22:03,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:22:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:22:03,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677517147] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:22:03,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [122772673] [2022-12-14 09:22:03,697 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-12-14 09:22:03,697 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:22:03,697 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:22:03,697 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:22:03,698 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:22:04,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:22:04,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:05,629 INFO L321 Elim1Store]: treesize reduction 560, result has 45.5 percent of original size [2022-12-14 09:22:05,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1487 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 54 case distinctions, treesize of input 282 treesize of output 642 [2022-12-14 09:22:05,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 182 [2022-12-14 09:22:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:07,624 INFO L321 Elim1Store]: treesize reduction 972, result has 33.4 percent of original size [2022-12-14 09:22:07,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 57 select indices, 57 select index equivalence classes, 1542 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 108 case distinctions, treesize of input 292 treesize of output 673 [2022-12-14 09:22:07,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:22:09,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:22:09,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:22:09,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:09,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 899 treesize of output 749 [2022-12-14 09:22:09,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 1 [2022-12-14 09:22:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:16,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6844 treesize of output 6507 [2022-12-14 09:22:17,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:17,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 6849 treesize of output 6487 [2022-12-14 09:22:18,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:22:18,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6840 treesize of output 6503 [2022-12-14 09:22:25,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:22:26,447 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 25 treesize of output 1 [2022-12-14 09:22:26,454 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 16 treesize of output 12 [2022-12-14 09:22:26,463 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 16 treesize of output 12 [2022-12-14 09:22:26,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-12-14 09:22:30,093 INFO L197 IcfgInterpreter]: Interpreting procedure dev_to_hdlc with input of size 100 for LOIs [2022-12-14 09:22:30,117 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_return_value with input of size 97 for LOIs [2022-12-14 09:22:30,121 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 97 for LOIs [2022-12-14 09:22:30,126 INFO L197 IcfgInterpreter]: Interpreting procedure netif_wake_queue with input of size 95 for LOIs [2022-12-14 09:22:30,211 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 106 for LOIs [2022-12-14 09:22:30,217 INFO L197 IcfgInterpreter]: Interpreting procedure netdev_get_tx_queue with input of size 97 for LOIs [2022-12-14 09:22:30,222 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:22:50,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [122772673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:22:50,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:22:50,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [4, 3, 4] total 41 [2022-12-14 09:22:50,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146116558] [2022-12-14 09:22:50,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:22:50,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-12-14 09:22:50,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:22:50,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-12-14 09:22:50,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1486, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 09:22:50,650 INFO L87 Difference]: Start difference. First operand 3600 states and 5099 transitions. Second operand has 36 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 26 states have internal predecessors, (34), 6 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-14 09:23:45,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:23:49,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 09:24:09,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:24:09,090 INFO L93 Difference]: Finished difference Result 5476 states and 7843 transitions. [2022-12-14 09:24:09,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-12-14 09:24:09,091 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 26 states have internal predecessors, (34), 6 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 48 [2022-12-14 09:24:09,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:24:09,104 INFO L225 Difference]: With dead ends: 5476 [2022-12-14 09:24:09,104 INFO L226 Difference]: Without dead ends: 4665 [2022-12-14 09:24:09,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1225 ImplicationChecksByTransitivity, 35.9s TimeCoverageRelationStatistics Valid=321, Invalid=3461, Unknown=0, NotChecked=0, Total=3782 [2022-12-14 09:24:09,106 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 1895 mSDsluCounter, 18208 mSDsCounter, 0 mSdLazyCounter, 16896 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 19928 SdHoareTripleChecker+Invalid, 17310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 16896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:24:09,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 19928 Invalid, 17310 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [414 Valid, 16896 Invalid, 0 Unknown, 0 Unchecked, 61.3s Time] [2022-12-14 09:24:09,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4665 states. [2022-12-14 09:24:10,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4665 to 4198. [2022-12-14 09:24:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4198 states, 2573 states have (on average 1.2918771861640108) internal successors, (3324), 2608 states have internal predecessors, (3324), 1314 states have call successors, (1314), 313 states have call predecessors, (1314), 310 states have return successors, (1313), 1305 states have call predecessors, (1313), 1312 states have call successors, (1313) [2022-12-14 09:24:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 4198 states and 5951 transitions. [2022-12-14 09:24:10,059 INFO L78 Accepts]: Start accepts. Automaton has 4198 states and 5951 transitions. Word has length 48 [2022-12-14 09:24:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:24:10,060 INFO L495 AbstractCegarLoop]: Abstraction has 4198 states and 5951 transitions. [2022-12-14 09:24:10,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 26 states have internal predecessors, (34), 6 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-14 09:24:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 4198 states and 5951 transitions. [2022-12-14 09:24:10,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 09:24:10,062 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:24:10,062 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-14 09:24:10,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 09:24:10,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:24:10,264 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:24:10,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:24:10,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1133339998, now seen corresponding path program 1 times [2022-12-14 09:24:10,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:24:10,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720138523] [2022-12-14 09:24:10,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:24:10,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:24:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:24:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 09:24:10,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:24:10,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720138523] [2022-12-14 09:24:10,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720138523] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:24:10,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653421773] [2022-12-14 09:24:10,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:24:10,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:24:10,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:24:10,405 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:24:10,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 09:24:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:24:10,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:24:10,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:24:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 09:24:10,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:24:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 09:24:10,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653421773] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:24:10,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [883907765] [2022-12-14 09:24:10,764 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-12-14 09:24:10,764 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:24:10,765 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:24:10,765 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:24:10,765 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:24:11,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:24:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:12,933 INFO L321 Elim1Store]: treesize reduction 560, result has 45.5 percent of original size [2022-12-14 09:24:12,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1487 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 54 case distinctions, treesize of input 282 treesize of output 642 [2022-12-14 09:24:13,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 182 [2022-12-14 09:24:13,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:24:13,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:15,392 INFO L321 Elim1Store]: treesize reduction 972, result has 33.4 percent of original size [2022-12-14 09:24:15,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 57 select indices, 57 select index equivalence classes, 1542 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 108 case distinctions, treesize of input 292 treesize of output 673 [2022-12-14 09:24:16,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:24:17,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:24:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:17,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 899 treesize of output 749 [2022-12-14 09:24:17,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 1 [2022-12-14 09:24:24,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:24,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6844 treesize of output 6507 [2022-12-14 09:24:25,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:25,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6840 treesize of output 6503 [2022-12-14 09:24:26,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:26,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 6845 treesize of output 6483 [2022-12-14 09:24:26,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:24:33,972 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 25 treesize of output 1 [2022-12-14 09:24:33,981 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 16 treesize of output 12 [2022-12-14 09:24:33,997 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 16 treesize of output 12 [2022-12-14 09:24:34,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-12-14 09:24:34,464 INFO L321 Elim1Store]: treesize reduction 61, result has 22.8 percent of original size [2022-12-14 09:24:34,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 36 [2022-12-14 09:24:34,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:24:34,822 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:24:34,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:24:36,109 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 09:24:36,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-12-14 09:24:36,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:24:36,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2022-12-14 09:24:37,737 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 09:24:37,737 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-14 09:24:37,792 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 09:24:37,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-12-14 09:24:38,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2022-12-14 09:24:40,947 INFO L197 IcfgInterpreter]: Interpreting procedure dev_to_hdlc with input of size 193 for LOIs [2022-12-14 09:24:41,079 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 97 for LOIs [2022-12-14 09:24:41,084 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 126 for LOIs [2022-12-14 09:24:41,136 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 106 for LOIs [2022-12-14 09:24:41,142 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:24:58,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [883907765] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:24:58,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:24:58,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 3, 4] total 35 [2022-12-14 09:24:58,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86778428] [2022-12-14 09:24:58,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:24:58,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-14 09:24:58,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:24:58,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-14 09:24:58,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1040, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 09:24:58,152 INFO L87 Difference]: Start difference. First operand 4198 states and 5951 transitions. Second operand has 30 states, 24 states have (on average 1.25) internal successors, (30), 22 states have internal predecessors, (30), 5 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 09:25:37,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 09:25:40,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:25:50,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:25:50,935 INFO L93 Difference]: Finished difference Result 7058 states and 10036 transitions. [2022-12-14 09:25:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-12-14 09:25:50,936 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 24 states have (on average 1.25) internal successors, (30), 22 states have internal predecessors, (30), 5 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2022-12-14 09:25:50,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:25:50,956 INFO L225 Difference]: With dead ends: 7058 [2022-12-14 09:25:50,956 INFO L226 Difference]: Without dead ends: 4915 [2022-12-14 09:25:50,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 568 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=248, Invalid=1644, Unknown=0, NotChecked=0, Total=1892 [2022-12-14 09:25:50,962 INFO L413 NwaCegarLoop]: 1246 mSDtfsCounter, 1971 mSDsluCounter, 6757 mSDsCounter, 0 mSdLazyCounter, 14165 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2150 SdHoareTripleChecker+Valid, 8003 SdHoareTripleChecker+Invalid, 14456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 14165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:25:50,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2150 Valid, 8003 Invalid, 14456 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [291 Valid, 14165 Invalid, 0 Unknown, 0 Unchecked, 45.8s Time] [2022-12-14 09:25:50,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4915 states. [2022-12-14 09:25:52,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4915 to 4124. [2022-12-14 09:25:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4124 states, 2520 states have (on average 1.2880952380952382) internal successors, (3246), 2551 states have internal predecessors, (3246), 1297 states have call successors, (1297), 309 states have call predecessors, (1297), 306 states have return successors, (1296), 1289 states have call predecessors, (1296), 1295 states have call successors, (1296) [2022-12-14 09:25:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 4124 states and 5839 transitions. [2022-12-14 09:25:52,225 INFO L78 Accepts]: Start accepts. Automaton has 4124 states and 5839 transitions. Word has length 48 [2022-12-14 09:25:52,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:25:52,225 INFO L495 AbstractCegarLoop]: Abstraction has 4124 states and 5839 transitions. [2022-12-14 09:25:52,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 24 states have (on average 1.25) internal successors, (30), 22 states have internal predecessors, (30), 5 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-14 09:25:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states and 5839 transitions. [2022-12-14 09:25:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 09:25:52,228 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:25:52,228 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:25:52,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-14 09:25:52,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:25:52,430 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:25:52,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:25:52,431 INFO L85 PathProgramCache]: Analyzing trace with hash 688587396, now seen corresponding path program 1 times [2022-12-14 09:25:52,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:25:52,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917499059] [2022-12-14 09:25:52,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:52,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:25:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 09:25:52,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:25:52,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917499059] [2022-12-14 09:25:52,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917499059] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:25:52,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140766866] [2022-12-14 09:25:52,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:25:52,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:25:52,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:25:52,540 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:25:52,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 09:25:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:25:52,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:25:52,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:25:52,829 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 09:25:52,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:25:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 09:25:52,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140766866] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:25:52,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1897567071] [2022-12-14 09:25:52,851 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2022-12-14 09:25:52,851 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:25:52,851 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:25:52,852 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:25:52,852 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:25:53,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:25:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:54,954 INFO L321 Elim1Store]: treesize reduction 560, result has 45.5 percent of original size [2022-12-14 09:25:54,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1487 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 54 case distinctions, treesize of input 282 treesize of output 642 [2022-12-14 09:25:55,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 182 [2022-12-14 09:25:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:57,246 INFO L321 Elim1Store]: treesize reduction 972, result has 33.4 percent of original size [2022-12-14 09:25:57,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 57 select indices, 57 select index equivalence classes, 1542 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 108 case distinctions, treesize of input 292 treesize of output 673 [2022-12-14 09:25:57,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:25:58,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 899 treesize of output 749 [2022-12-14 09:25:59,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 1 [2022-12-14 09:25:59,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:25:59,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:26:06,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:06,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6844 treesize of output 6507 [2022-12-14 09:26:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:07,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6840 treesize of output 6503 [2022-12-14 09:26:07,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:26:08,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 6845 treesize of output 6483 [2022-12-14 09:26:08,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:26:15,885 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 25 treesize of output 1 [2022-12-14 09:26:15,892 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 16 treesize of output 12 [2022-12-14 09:26:15,904 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 16 treesize of output 12 [2022-12-14 09:26:16,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-12-14 09:26:21,444 INFO L197 IcfgInterpreter]: Interpreting procedure dev_to_hdlc with input of size 120 for LOIs [2022-12-14 09:26:21,508 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 97 for LOIs [2022-12-14 09:26:21,514 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 126 for LOIs [2022-12-14 09:26:21,573 INFO L197 IcfgInterpreter]: Interpreting procedure fst_clear_intr with input of size 113 for LOIs [2022-12-14 09:26:21,775 INFO L197 IcfgInterpreter]: Interpreting procedure readb with input of size 130 for LOIs [2022-12-14 09:26:21,796 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 106 for LOIs [2022-12-14 09:26:21,802 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:26:45,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1897567071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:26:45,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:26:45,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [4, 3, 4] total 45 [2022-12-14 09:26:45,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255381882] [2022-12-14 09:26:45,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:26:45,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-12-14 09:26:45,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:26:45,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-12-14 09:26:45,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1794, Unknown=0, NotChecked=0, Total=1980 [2022-12-14 09:26:45,008 INFO L87 Difference]: Start difference. First operand 4124 states and 5839 transitions. Second operand has 40 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 30 states have internal predecessors, (36), 6 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-14 09:27:22,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:27:22,290 INFO L93 Difference]: Finished difference Result 5876 states and 8329 transitions. [2022-12-14 09:27:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-12-14 09:27:22,290 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 30 states have internal predecessors, (36), 6 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 51 [2022-12-14 09:27:22,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:27:22,299 INFO L225 Difference]: With dead ends: 5876 [2022-12-14 09:27:22,299 INFO L226 Difference]: Without dead ends: 4324 [2022-12-14 09:27:22,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 956 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=228, Invalid=2528, Unknown=0, NotChecked=0, Total=2756 [2022-12-14 09:27:22,302 INFO L413 NwaCegarLoop]: 1074 mSDtfsCounter, 147 mSDsluCounter, 16851 mSDsCounter, 0 mSdLazyCounter, 8867 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 17925 SdHoareTripleChecker+Invalid, 8908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 8867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:27:22,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 17925 Invalid, 8908 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [41 Valid, 8867 Invalid, 0 Unknown, 0 Unchecked, 33.6s Time] [2022-12-14 09:27:22,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4324 states. [2022-12-14 09:27:23,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4324 to 4208. [2022-12-14 09:27:23,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4208 states, 2574 states have (on average 1.2871017871017871) internal successors, (3313), 2605 states have internal predecessors, (3313), 1316 states have call successors, (1316), 321 states have call predecessors, (1316), 317 states have return successors, (1315), 1307 states have call predecessors, (1315), 1314 states have call successors, (1315) [2022-12-14 09:27:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4208 states to 4208 states and 5944 transitions. [2022-12-14 09:27:23,639 INFO L78 Accepts]: Start accepts. Automaton has 4208 states and 5944 transitions. Word has length 51 [2022-12-14 09:27:23,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:27:23,640 INFO L495 AbstractCegarLoop]: Abstraction has 4208 states and 5944 transitions. [2022-12-14 09:27:23,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 30 states have internal predecessors, (36), 6 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-14 09:27:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 4208 states and 5944 transitions. [2022-12-14 09:27:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 09:27:23,644 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:27:23,644 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-12-14 09:27:23,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 09:27:23,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 09:27:23,845 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:27:23,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:27:23,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1742836385, now seen corresponding path program 1 times [2022-12-14 09:27:23,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:27:23,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093715794] [2022-12-14 09:27:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:27:23,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:27:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:27:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 09:27:23,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:27:23,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093715794] [2022-12-14 09:27:23,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093715794] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:27:23,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168571606] [2022-12-14 09:27:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:27:23,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:27:23,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:27:23,954 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:27:23,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 09:27:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:27:24,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:27:24,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:27:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 09:27:24,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:27:24,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168571606] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:27:24,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:27:24,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 09:27:24,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318755354] [2022-12-14 09:27:24,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:27:24,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:27:24,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:27:24,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:27:24,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:27:24,304 INFO L87 Difference]: Start difference. First operand 4208 states and 5944 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 09:27:27,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:27:27,181 INFO L93 Difference]: Finished difference Result 9831 states and 14310 transitions. [2022-12-14 09:27:27,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:27:27,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2022-12-14 09:27:27,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:27:27,194 INFO L225 Difference]: With dead ends: 9831 [2022-12-14 09:27:27,195 INFO L226 Difference]: Without dead ends: 6433 [2022-12-14 09:27:27,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:27:27,200 INFO L413 NwaCegarLoop]: 1773 mSDtfsCounter, 452 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 2958 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:27:27,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 2958 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:27:27,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6433 states. [2022-12-14 09:27:29,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6433 to 6425. [2022-12-14 09:27:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6425 states, 3988 states have (on average 1.3101805416248746) internal successors, (5225), 4024 states have internal predecessors, (5225), 2119 states have call successors, (2119), 321 states have call predecessors, (2119), 317 states have return successors, (2118), 2110 states have call predecessors, (2118), 2117 states have call successors, (2118) [2022-12-14 09:27:29,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6425 states to 6425 states and 9462 transitions. [2022-12-14 09:27:29,224 INFO L78 Accepts]: Start accepts. Automaton has 6425 states and 9462 transitions. Word has length 54 [2022-12-14 09:27:29,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:27:29,224 INFO L495 AbstractCegarLoop]: Abstraction has 6425 states and 9462 transitions. [2022-12-14 09:27:29,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 09:27:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 6425 states and 9462 transitions. [2022-12-14 09:27:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 09:27:29,228 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:27:29,228 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 09:27:29,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 09:27:29,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:27:29,429 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:27:29,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:27:29,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1291895863, now seen corresponding path program 1 times [2022-12-14 09:27:29,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:27:29,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878496882] [2022-12-14 09:27:29,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:27:29,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:27:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:27:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 09:27:29,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:27:29,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878496882] [2022-12-14 09:27:29,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878496882] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:27:29,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620799448] [2022-12-14 09:27:29,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:27:29,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:27:29,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:27:29,508 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:27:29,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2867d415-109a-46b3-b9df-670d8dec9018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 09:27:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:27:29,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:27:29,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:27:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 09:27:29,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:27:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 09:27:29,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620799448] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:27:29,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [72035827] [2022-12-14 09:27:29,903 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 09:27:29,904 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:27:29,904 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:27:29,904 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:27:29,904 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:27:30,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:27:30,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:32,184 INFO L321 Elim1Store]: treesize reduction 972, result has 33.4 percent of original size [2022-12-14 09:27:32,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 57 select indices, 57 select index equivalence classes, 1542 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 108 case distinctions, treesize of input 292 treesize of output 673 [2022-12-14 09:27:32,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-12-14 09:27:32,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:32,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1541 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 282 treesize of output 446 [2022-12-14 09:27:33,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 182 [2022-12-14 09:27:34,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:27:34,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 818 treesize of output 663 [2022-12-14 09:27:34,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:34,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 899 treesize of output 749 [2022-12-14 09:27:34,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 1 [2022-12-14 09:27:42,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:42,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6844 treesize of output 6507 [2022-12-14 09:27:43,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:43,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6840 treesize of output 6503 [2022-12-14 09:27:44,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:27:44,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 6845 treesize of output 6483 [2022-12-14 09:27:50,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-12-14 09:27:52,273 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 16 treesize of output 12 [2022-12-14 09:27:52,281 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 16 treesize of output 12 [2022-12-14 09:27:52,288 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 25 treesize of output 1 [2022-12-14 09:27:52,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5