./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/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_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/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_6108044f-727e-4051-87f9-05799a0fc0cd/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 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 --- 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 10:59:05,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:59:05,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:59:05,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:59:05,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:59:05,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:59:05,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:59:05,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:59:05,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:59:05,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:59:05,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:59:05,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:59:05,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:59:05,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:59:05,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:59:05,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:59:05,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:59:05,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:59:05,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:59:05,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:59:05,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:59:05,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:59:05,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:59:05,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:59:05,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:59:05,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:59:05,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:59:05,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:59:05,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:59:05,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:59:05,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:59:05,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:59:05,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:59:05,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:59:05,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:59:05,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:59:05,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:59:05,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:59:05,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:59:05,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:59:05,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:59:05,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:59:05,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:59:05,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:59:05,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:59:05,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:59:05,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:59:05,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:59:05,105 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:59:05,112 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:59:05,112 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:59:05,112 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:59:05,112 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:59:05,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:59:05,113 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:59:05,113 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:59:05,113 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:59:05,113 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:59:05,114 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:59:05,114 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:59:05,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:59:05,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:59:05,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:59:05,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:59:05,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:59:05,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:59:05,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:59:05,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:59:05,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:59:05,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:59:05,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:59:05,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:59:05,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:59:05,117 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:59:05,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:59:05,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:59:05,117 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:59:05,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:59:05,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:59:05,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:59:05,118 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_6108044f-727e-4051-87f9-05799a0fc0cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 [2022-12-14 10:59:05,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:59:05,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:59:05,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:59:05,321 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:59:05,321 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:59:05,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-12-14 10:59:07,903 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:59:08,239 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:59:08,240 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-12-14 10:59:08,264 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/data/bd74edb52/564df94ae27b491c83226436d4fc3d43/FLAGffad43827 [2022-12-14 10:59:08,278 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/data/bd74edb52/564df94ae27b491c83226436d4fc3d43 [2022-12-14 10:59:08,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:59:08,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:59:08,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:59:08,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:59:08,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:59:08,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:59:08" (1/1) ... [2022-12-14 10:59:08,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e24216a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:08, skipping insertion in model container [2022-12-14 10:59:08,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:59:08" (1/1) ... [2022-12-14 10:59:08,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:59:08,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:59:08,752 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:59:08,768 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:59:08,921 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:59:08,943 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 10:59:08,948 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 10:59:08,963 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 10:59:08,964 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:59:08,965 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:59:08,968 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 10:59:08,968 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:59:08,969 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 10:59:09,004 WARN L623 FunctionHandler]: Unknown extern function parport_release [2022-12-14 10:59:09,004 WARN L623 FunctionHandler]: Unknown extern function parport_claim_or_block [2022-12-14 10:59:09,017 WARN L623 FunctionHandler]: Unknown extern function parport_claim_or_block [2022-12-14 10:59:09,020 WARN L623 FunctionHandler]: Unknown extern function parport_release [2022-12-14 10:59:09,025 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,026 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,034 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:59:09,042 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 10:59:09,042 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:59:09,043 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:59:09,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,062 WARN L623 FunctionHandler]: Unknown extern function parport_set_timeout [2022-12-14 10:59:09,063 WARN L623 FunctionHandler]: Unknown extern function parport_write [2022-12-14 10:59:09,064 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,066 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:59:09,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,068 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,075 WARN L623 FunctionHandler]: Unknown extern function parport_set_timeout [2022-12-14 10:59:09,076 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,076 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,077 WARN L623 FunctionHandler]: Unknown extern function parport_read [2022-12-14 10:59:09,078 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,078 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,079 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 10:59:09,079 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:59:09,079 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:59:09,080 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-14 10:59:09,080 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 10:59:09,081 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,090 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,092 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,094 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,098 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,099 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:59:09,120 WARN L623 FunctionHandler]: Unknown extern function compat_get_timeval [2022-12-14 10:59:09,124 WARN L623 FunctionHandler]: Unknown extern function parport_claim [2022-12-14 10:59:09,125 WARN L623 FunctionHandler]: Unknown extern function parport_set_timeout [2022-12-14 10:59:09,125 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,125 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 10:59:09,126 WARN L623 FunctionHandler]: Unknown extern function parport_write [2022-12-14 10:59:09,127 WARN L623 FunctionHandler]: Unknown extern function parport_write [2022-12-14 10:59:09,128 WARN L623 FunctionHandler]: Unknown extern function parport_release [2022-12-14 10:59:09,131 WARN L623 FunctionHandler]: Unknown extern function parport_register_device [2022-12-14 10:59:09,133 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 10:59:09,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,135 WARN L623 FunctionHandler]: Unknown extern function register_console [2022-12-14 10:59:09,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,143 WARN L623 FunctionHandler]: Unknown extern function unregister_console [2022-12-14 10:59:09,147 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:59:09,148 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:59:09,148 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:59:09,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,149 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 10:59:09,157 WARN L623 FunctionHandler]: Unknown extern function __parport_register_driver [2022-12-14 10:59:09,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,159 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 10:59:09,162 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 10:59:09,163 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 10:59:09,164 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-14 10:59:09,165 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,168 WARN L623 FunctionHandler]: Unknown extern function parport_unregister_driver [2022-12-14 10:59:09,169 WARN L623 FunctionHandler]: Unknown extern function unregister_console [2022-12-14 10:59:09,170 WARN L623 FunctionHandler]: Unknown extern function parport_unregister_device [2022-12-14 10:59:09,170 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 10:59:09,171 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 10:59:09,192 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 10:59:09,194 WARN L623 FunctionHandler]: Unknown extern function ldv_release_1 [2022-12-14 10:59:09,195 WARN L623 FunctionHandler]: Unknown extern function ldv_open_1 [2022-12-14 10:59:09,195 WARN L623 FunctionHandler]: Unknown extern function ldv_close_1 [2022-12-14 10:59:09,196 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_1 [2022-12-14 10:59:09,199 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 10:59:09,200 WARN L623 FunctionHandler]: Unknown extern function ldv_release_2 [2022-12-14 10:59:09,201 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-12-14 10:59:09,203 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,203 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,204 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,204 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,205 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,205 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 10:59:09,206 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,206 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 10:59:09,207 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,207 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 10:59:09,208 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,208 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,208 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,209 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 10:59:09,209 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,210 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,210 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,211 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,211 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,214 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_6108044f-727e-4051-87f9-05799a0fc0cd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2022-12-14 10:59:09,319 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:59:09,320 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:59:09,324 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:59:09,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:59:09,348 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:59:09,395 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:59:09,395 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:59:09,400 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:59:09,401 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 10:59:09,401 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 10:59:09,402 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 10:59:09,402 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:59:09,403 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:59:09,403 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 10:59:09,403 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:59:09,404 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 10:59:09,405 WARN L623 FunctionHandler]: Unknown extern function parport_release [2022-12-14 10:59:09,405 WARN L623 FunctionHandler]: Unknown extern function parport_claim_or_block [2022-12-14 10:59:09,407 WARN L623 FunctionHandler]: Unknown extern function parport_claim_or_block [2022-12-14 10:59:09,407 WARN L623 FunctionHandler]: Unknown extern function parport_release [2022-12-14 10:59:09,408 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,408 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,409 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:59:09,412 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 10:59:09,413 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:59:09,413 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:59:09,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,420 WARN L623 FunctionHandler]: Unknown extern function parport_set_timeout [2022-12-14 10:59:09,421 WARN L623 FunctionHandler]: Unknown extern function parport_write [2022-12-14 10:59:09,422 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,424 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:59:09,425 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,425 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,430 WARN L623 FunctionHandler]: Unknown extern function parport_set_timeout [2022-12-14 10:59:09,430 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,431 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,433 WARN L623 FunctionHandler]: Unknown extern function parport_read [2022-12-14 10:59:09,433 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,434 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,436 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 10:59:09,436 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:59:09,436 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:59:09,437 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-14 10:59:09,437 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 10:59:09,437 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,442 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,443 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,444 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,445 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,447 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,458 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:59:09,469 WARN L623 FunctionHandler]: Unknown extern function compat_get_timeval [2022-12-14 10:59:09,472 WARN L623 FunctionHandler]: Unknown extern function parport_claim [2022-12-14 10:59:09,472 WARN L623 FunctionHandler]: Unknown extern function parport_set_timeout [2022-12-14 10:59:09,472 WARN L623 FunctionHandler]: Unknown extern function parport_negotiate [2022-12-14 10:59:09,472 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 10:59:09,473 WARN L623 FunctionHandler]: Unknown extern function parport_write [2022-12-14 10:59:09,474 WARN L623 FunctionHandler]: Unknown extern function parport_write [2022-12-14 10:59:09,475 WARN L623 FunctionHandler]: Unknown extern function parport_release [2022-12-14 10:59:09,476 WARN L623 FunctionHandler]: Unknown extern function parport_register_device [2022-12-14 10:59:09,477 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 10:59:09,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,479 WARN L623 FunctionHandler]: Unknown extern function register_console [2022-12-14 10:59:09,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,482 WARN L623 FunctionHandler]: Unknown extern function unregister_console [2022-12-14 10:59:09,484 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:59:09,484 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:59:09,485 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:59:09,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,486 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 10:59:09,487 WARN L623 FunctionHandler]: Unknown extern function __parport_register_driver [2022-12-14 10:59:09,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,488 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 10:59:09,488 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 10:59:09,489 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 10:59:09,489 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-14 10:59:09,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:59:09,491 WARN L623 FunctionHandler]: Unknown extern function parport_unregister_driver [2022-12-14 10:59:09,491 WARN L623 FunctionHandler]: Unknown extern function unregister_console [2022-12-14 10:59:09,491 WARN L623 FunctionHandler]: Unknown extern function parport_unregister_device [2022-12-14 10:59:09,491 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 10:59:09,492 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 10:59:09,493 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 10:59:09,494 WARN L623 FunctionHandler]: Unknown extern function ldv_release_1 [2022-12-14 10:59:09,494 WARN L623 FunctionHandler]: Unknown extern function ldv_open_1 [2022-12-14 10:59:09,495 WARN L623 FunctionHandler]: Unknown extern function ldv_close_1 [2022-12-14 10:59:09,495 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_1 [2022-12-14 10:59:09,496 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 10:59:09,497 WARN L623 FunctionHandler]: Unknown extern function ldv_release_2 [2022-12-14 10:59:09,497 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-12-14 10:59:09,498 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,498 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,499 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,499 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,499 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,499 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 10:59:09,500 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,500 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 10:59:09,500 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,500 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 10:59:09,501 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,501 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,501 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,501 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 10:59:09,502 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,502 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,502 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,502 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 10:59:09,502 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:59:09,503 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_6108044f-727e-4051-87f9-05799a0fc0cd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2022-12-14 10:59:09,512 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:59:09,514 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:59:09,515 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:59:09,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:59:09,544 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:59:09,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09 WrapperNode [2022-12-14 10:59:09,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:59:09,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:59:09,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:59:09,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:59:09,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,628 INFO L138 Inliner]: procedures = 222, calls = 875, calls flagged for inlining = 79, calls inlined = 74, statements flattened = 2387 [2022-12-14 10:59:09,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:59:09,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:59:09,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:59:09,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:59:09,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,713 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:59:09,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:59:09,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:59:09,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:59:09,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (1/1) ... [2022-12-14 10:59:09,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:59:09,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:59:09,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:59:09,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:59:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2022-12-14 10:59:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2022-12-14 10:59:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-12-14 10:59:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2022-12-14 10:59:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2022-12-14 10:59:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 10:59:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 10:59:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 10:59:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 10:59:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2022-12-14 10:59:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2022-12-14 10:59:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-12-14 10:59:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-12-14 10:59:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 10:59:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 10:59:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2022-12-14 10:59:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2022-12-14 10:59:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 10:59:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 10:59:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 10:59:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 10:59:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 10:59:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 10:59:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 10:59:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 10:59:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 10:59:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 10:59:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 10:59:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 10:59:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2022-12-14 10:59:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2022-12-14 10:59:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:59:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2022-12-14 10:59:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2022-12-14 10:59:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2022-12-14 10:59:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2022-12-14 10:59:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2022-12-14 10:59:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2022-12-14 10:59:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:59:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 10:59:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 10:59:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-12-14 10:59:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-12-14 10:59:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-12-14 10:59:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-12-14 10:59:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2022-12-14 10:59:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2022-12-14 10:59:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:59:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:59:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-14 10:59:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-14 10:59:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2022-12-14 10:59:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2022-12-14 10:59:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2022-12-14 10:59:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2022-12-14 10:59:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2022-12-14 10:59:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2022-12-14 10:59:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2022-12-14 10:59:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2022-12-14 10:59:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2022-12-14 10:59:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2022-12-14 10:59:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2022-12-14 10:59:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2022-12-14 10:59:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:59:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2022-12-14 10:59:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2022-12-14 10:59:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2022-12-14 10:59:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2022-12-14 10:59:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-12-14 10:59:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-12-14 10:59:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:59:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 10:59:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 10:59:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 10:59:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 10:59:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 10:59:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 10:59:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2022-12-14 10:59:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2022-12-14 10:59:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-12-14 10:59:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-12-14 10:59:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:59:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 10:59:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 10:59:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-12-14 10:59:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 10:59:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 10:59:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 10:59:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 10:59:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:59:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 10:59:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 10:59:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:59:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 10:59:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2022-12-14 10:59:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2022-12-14 10:59:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2022-12-14 10:59:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2022-12-14 10:59:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:59:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:59:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2022-12-14 10:59:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2022-12-14 10:59:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-12-14 10:59:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-12-14 10:59:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 10:59:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 10:59:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2022-12-14 10:59:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2022-12-14 10:59:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 10:59:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 10:59:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-12-14 10:59:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-12-14 10:59:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:59:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2022-12-14 10:59:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2022-12-14 10:59:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-12-14 10:59:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-12-14 10:59:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 10:59:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 10:59:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:59:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:59:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2022-12-14 10:59:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2022-12-14 10:59:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 10:59:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 10:59:10,157 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:59:10,159 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:59:10,293 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 10:59:11,500 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:59:11,851 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:59:11,851 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 10:59:11,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:59:11 BoogieIcfgContainer [2022-12-14 10:59:11,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:59:11,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:59:11,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:59:11,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:59:11,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:59:08" (1/3) ... [2022-12-14 10:59:11,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a520099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:59:11, skipping insertion in model container [2022-12-14 10:59:11,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:09" (2/3) ... [2022-12-14 10:59:11,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a520099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:59:11, skipping insertion in model container [2022-12-14 10:59:11,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:59:11" (3/3) ... [2022-12-14 10:59:11,862 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-12-14 10:59:11,881 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:59:11,881 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:59:11,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:59:11,949 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;@5ff0c57e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:59:11,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:59:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 636 states, 394 states have (on average 1.3781725888324874) internal successors, (543), 416 states have internal predecessors, (543), 186 states have call successors, (186), 55 states have call predecessors, (186), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2022-12-14 10:59:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-14 10:59:11,971 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:11,972 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:11,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:11,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:11,977 INFO L85 PathProgramCache]: Analyzing trace with hash -470603499, now seen corresponding path program 1 times [2022-12-14 10:59:11,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:11,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507293373] [2022-12-14 10:59:11,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:11,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-14 10:59:12,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:12,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507293373] [2022-12-14 10:59:12,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507293373] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:12,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:12,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:59:12,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908325950] [2022-12-14 10:59:12,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:12,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:59:12,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:12,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:59:12,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:59:12,600 INFO L87 Difference]: Start difference. First operand has 636 states, 394 states have (on average 1.3781725888324874) internal successors, (543), 416 states have internal predecessors, (543), 186 states have call successors, (186), 55 states have call predecessors, (186), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-14 10:59:13,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:13,881 INFO L93 Difference]: Finished difference Result 1786 states and 2717 transitions. [2022-12-14 10:59:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:59:13,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2022-12-14 10:59:13,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:13,897 INFO L225 Difference]: With dead ends: 1786 [2022-12-14 10:59:13,897 INFO L226 Difference]: Without dead ends: 1158 [2022-12-14 10:59:13,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:59:13,905 INFO L413 NwaCegarLoop]: 1209 mSDtfsCounter, 1761 mSDsluCounter, 2100 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:13,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 3309 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 10:59:13,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-12-14 10:59:13,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 631. [2022-12-14 10:59:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 396 states have (on average 1.3585858585858586) internal successors, (538), 411 states have internal predecessors, (538), 181 states have call successors, (181), 54 states have call predecessors, (181), 53 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2022-12-14 10:59:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 891 transitions. [2022-12-14 10:59:13,986 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 891 transitions. Word has length 136 [2022-12-14 10:59:13,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:13,987 INFO L495 AbstractCegarLoop]: Abstraction has 631 states and 891 transitions. [2022-12-14 10:59:13,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-14 10:59:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 891 transitions. [2022-12-14 10:59:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-14 10:59:13,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:13,991 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:13,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:59:13,992 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:13,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1999847811, now seen corresponding path program 1 times [2022-12-14 10:59:13,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:13,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831764908] [2022-12-14 10:59:13,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:13,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-14 10:59:14,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:14,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831764908] [2022-12-14 10:59:14,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831764908] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:14,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:14,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:14,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260481504] [2022-12-14 10:59:14,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:14,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:14,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:14,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:14,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:14,183 INFO L87 Difference]: Start difference. First operand 631 states and 891 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:59:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:14,625 INFO L93 Difference]: Finished difference Result 1426 states and 1995 transitions. [2022-12-14 10:59:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:14,625 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 139 [2022-12-14 10:59:14,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:14,632 INFO L225 Difference]: With dead ends: 1426 [2022-12-14 10:59:14,632 INFO L226 Difference]: Without dead ends: 829 [2022-12-14 10:59:14,633 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 10:59:14,634 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 307 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:14,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1504 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 10:59:14,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2022-12-14 10:59:14,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 807. [2022-12-14 10:59:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 521 states have (on average 1.3685220729366603) internal successors, (713), 538 states have internal predecessors, (713), 210 states have call successors, (210), 76 states have call predecessors, (210), 75 states have return successors, (201), 200 states have call predecessors, (201), 201 states have call successors, (201) [2022-12-14 10:59:14,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1124 transitions. [2022-12-14 10:59:14,686 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1124 transitions. Word has length 139 [2022-12-14 10:59:14,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:14,687 INFO L495 AbstractCegarLoop]: Abstraction has 807 states and 1124 transitions. [2022-12-14 10:59:14,687 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:59:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1124 transitions. [2022-12-14 10:59:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-14 10:59:14,689 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:14,690 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:14,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:59:14,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:14,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:14,691 INFO L85 PathProgramCache]: Analyzing trace with hash -518424957, now seen corresponding path program 1 times [2022-12-14 10:59:14,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:14,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572644000] [2022-12-14 10:59:14,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:14,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-14 10:59:14,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:14,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572644000] [2022-12-14 10:59:14,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572644000] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:14,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:14,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:14,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774086336] [2022-12-14 10:59:14,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:14,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:14,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:14,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:14,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:14,950 INFO L87 Difference]: Start difference. First operand 807 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 10:59:15,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:15,663 INFO L93 Difference]: Finished difference Result 2264 states and 3149 transitions. [2022-12-14 10:59:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:15,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2022-12-14 10:59:15,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:15,671 INFO L225 Difference]: With dead ends: 2264 [2022-12-14 10:59:15,671 INFO L226 Difference]: Without dead ends: 1491 [2022-12-14 10:59:15,673 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 10:59:15,674 INFO L413 NwaCegarLoop]: 920 mSDtfsCounter, 799 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:15,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1647 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 10:59:15,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2022-12-14 10:59:15,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1485. [2022-12-14 10:59:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 960 states have (on average 1.3666666666666667) internal successors, (1312), 984 states have internal predecessors, (1312), 380 states have call successors, (380), 145 states have call predecessors, (380), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-12-14 10:59:15,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2063 transitions. [2022-12-14 10:59:15,762 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2063 transitions. Word has length 141 [2022-12-14 10:59:15,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:15,763 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2063 transitions. [2022-12-14 10:59:15,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 10:59:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2063 transitions. [2022-12-14 10:59:15,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-14 10:59:15,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:15,765 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:15,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:59:15,766 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:15,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:15,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1598097126, now seen corresponding path program 1 times [2022-12-14 10:59:15,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:15,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903203776] [2022-12-14 10:59:15,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:15,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-14 10:59:15,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:15,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903203776] [2022-12-14 10:59:15,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903203776] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:15,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:15,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:15,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766121332] [2022-12-14 10:59:15,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:15,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:15,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:15,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:15,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:15,903 INFO L87 Difference]: Start difference. First operand 1485 states and 2063 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:16,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:16,310 INFO L93 Difference]: Finished difference Result 1487 states and 2064 transitions. [2022-12-14 10:59:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:16,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2022-12-14 10:59:16,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:16,319 INFO L225 Difference]: With dead ends: 1487 [2022-12-14 10:59:16,319 INFO L226 Difference]: Without dead ends: 1484 [2022-12-14 10:59:16,320 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 10:59:16,321 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 837 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:16,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 770 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 10:59:16,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2022-12-14 10:59:16,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2022-12-14 10:59:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 960 states have (on average 1.365625) internal successors, (1311), 983 states have internal predecessors, (1311), 379 states have call successors, (379), 145 states have call predecessors, (379), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-12-14 10:59:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2061 transitions. [2022-12-14 10:59:16,377 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2061 transitions. Word has length 138 [2022-12-14 10:59:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:16,378 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 2061 transitions. [2022-12-14 10:59:16,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2061 transitions. [2022-12-14 10:59:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-14 10:59:16,379 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:16,379 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:16,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:59:16,379 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:16,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1998851540, now seen corresponding path program 1 times [2022-12-14 10:59:16,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:16,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879527427] [2022-12-14 10:59:16,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:16,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-14 10:59:16,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:16,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879527427] [2022-12-14 10:59:16,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879527427] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:16,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:16,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:16,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926406582] [2022-12-14 10:59:16,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:16,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:16,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:16,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:16,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:16,577 INFO L87 Difference]: Start difference. First operand 1484 states and 2061 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:16,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:16,929 INFO L93 Difference]: Finished difference Result 1486 states and 2062 transitions. [2022-12-14 10:59:16,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:16,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2022-12-14 10:59:16,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:16,934 INFO L225 Difference]: With dead ends: 1486 [2022-12-14 10:59:16,935 INFO L226 Difference]: Without dead ends: 1483 [2022-12-14 10:59:16,935 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 10:59:16,936 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 834 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:16,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 768 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 10:59:16,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2022-12-14 10:59:17,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2022-12-14 10:59:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 960 states have (on average 1.3645833333333333) internal successors, (1310), 982 states have internal predecessors, (1310), 378 states have call successors, (378), 145 states have call predecessors, (378), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-12-14 10:59:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2059 transitions. [2022-12-14 10:59:17,022 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2059 transitions. Word has length 139 [2022-12-14 10:59:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:17,022 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 2059 transitions. [2022-12-14 10:59:17,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2059 transitions. [2022-12-14 10:59:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 10:59:17,024 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:17,024 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:17,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:59:17,025 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:17,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:17,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1835105623, now seen corresponding path program 1 times [2022-12-14 10:59:17,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:17,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935172677] [2022-12-14 10:59:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:17,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-14 10:59:17,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:17,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935172677] [2022-12-14 10:59:17,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935172677] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:17,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:17,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:17,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657584796] [2022-12-14 10:59:17,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:17,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:17,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:17,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:17,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:17,193 INFO L87 Difference]: Start difference. First operand 1483 states and 2059 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:17,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:17,618 INFO L93 Difference]: Finished difference Result 1663 states and 2237 transitions. [2022-12-14 10:59:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:17,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2022-12-14 10:59:17,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:17,626 INFO L225 Difference]: With dead ends: 1663 [2022-12-14 10:59:17,626 INFO L226 Difference]: Without dead ends: 1659 [2022-12-14 10:59:17,627 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 10:59:17,627 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 652 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:17,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 1012 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 10:59:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2022-12-14 10:59:17,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1655. [2022-12-14 10:59:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1052 states have (on average 1.3393536121673004) internal successors, (1409), 1072 states have internal predecessors, (1409), 412 states have call successors, (412), 191 states have call predecessors, (412), 190 states have return successors, (407), 406 states have call predecessors, (407), 407 states have call successors, (407) [2022-12-14 10:59:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2228 transitions. [2022-12-14 10:59:17,700 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2228 transitions. Word has length 140 [2022-12-14 10:59:17,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:17,701 INFO L495 AbstractCegarLoop]: Abstraction has 1655 states and 2228 transitions. [2022-12-14 10:59:17,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2228 transitions. [2022-12-14 10:59:17,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-14 10:59:17,703 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:17,703 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:17,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:59:17,704 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:17,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:17,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1053944625, now seen corresponding path program 1 times [2022-12-14 10:59:17,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:17,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945215526] [2022-12-14 10:59:17,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:17,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-14 10:59:17,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:17,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945215526] [2022-12-14 10:59:17,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945215526] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:17,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:17,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:17,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137812806] [2022-12-14 10:59:17,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:17,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:17,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:17,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:17,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:17,845 INFO L87 Difference]: Start difference. First operand 1655 states and 2228 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:18,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:18,216 INFO L93 Difference]: Finished difference Result 1657 states and 2229 transitions. [2022-12-14 10:59:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:18,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2022-12-14 10:59:18,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:18,224 INFO L225 Difference]: With dead ends: 1657 [2022-12-14 10:59:18,224 INFO L226 Difference]: Without dead ends: 1654 [2022-12-14 10:59:18,226 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 10:59:18,226 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 826 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:18,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 762 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 10:59:18,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-12-14 10:59:18,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2022-12-14 10:59:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1052 states have (on average 1.338403041825095) internal successors, (1408), 1071 states have internal predecessors, (1408), 411 states have call successors, (411), 191 states have call predecessors, (411), 190 states have return successors, (407), 406 states have call predecessors, (407), 407 states have call successors, (407) [2022-12-14 10:59:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2226 transitions. [2022-12-14 10:59:18,354 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2226 transitions. Word has length 141 [2022-12-14 10:59:18,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:18,355 INFO L495 AbstractCegarLoop]: Abstraction has 1654 states and 2226 transitions. [2022-12-14 10:59:18,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2226 transitions. [2022-12-14 10:59:18,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-14 10:59:18,357 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:18,357 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:18,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:59:18,357 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:18,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:18,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1687214700, now seen corresponding path program 1 times [2022-12-14 10:59:18,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:18,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570836809] [2022-12-14 10:59:18,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:18,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-12-14 10:59:18,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:18,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570836809] [2022-12-14 10:59:18,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570836809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:18,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:18,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:18,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875725696] [2022-12-14 10:59:18,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:18,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:18,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:18,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:18,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:18,534 INFO L87 Difference]: Start difference. First operand 1654 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:19,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:19,299 INFO L93 Difference]: Finished difference Result 2865 states and 3849 transitions. [2022-12-14 10:59:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:19,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 142 [2022-12-14 10:59:19,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:19,310 INFO L225 Difference]: With dead ends: 2865 [2022-12-14 10:59:19,310 INFO L226 Difference]: Without dead ends: 2843 [2022-12-14 10:59:19,312 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 10:59:19,313 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 579 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:19,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1571 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 10:59:19,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2022-12-14 10:59:19,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2840. [2022-12-14 10:59:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 1835 states have (on average 1.3455040871934605) internal successors, (2469), 1861 states have internal predecessors, (2469), 667 states have call successors, (667), 342 states have call predecessors, (667), 337 states have return successors, (679), 656 states have call predecessors, (679), 663 states have call successors, (679) [2022-12-14 10:59:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3815 transitions. [2022-12-14 10:59:19,468 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3815 transitions. Word has length 142 [2022-12-14 10:59:19,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:19,468 INFO L495 AbstractCegarLoop]: Abstraction has 2840 states and 3815 transitions. [2022-12-14 10:59:19,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:59:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3815 transitions. [2022-12-14 10:59:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-14 10:59:19,473 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:19,473 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:59:19,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 10:59:19,473 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:19,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:19,474 INFO L85 PathProgramCache]: Analyzing trace with hash -444172720, now seen corresponding path program 1 times [2022-12-14 10:59:19,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:19,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746623526] [2022-12-14 10:59:19,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:19,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-12-14 10:59:19,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:19,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746623526] [2022-12-14 10:59:19,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746623526] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:19,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:19,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:19,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877766258] [2022-12-14 10:59:19,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:19,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:19,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:19,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:19,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:19,631 INFO L87 Difference]: Start difference. First operand 2840 states and 3815 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 10:59:20,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:20,199 INFO L93 Difference]: Finished difference Result 5654 states and 7595 transitions. [2022-12-14 10:59:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:20,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 190 [2022-12-14 10:59:20,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:20,208 INFO L225 Difference]: With dead ends: 5654 [2022-12-14 10:59:20,208 INFO L226 Difference]: Without dead ends: 2848 [2022-12-14 10:59:20,215 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 10:59:20,216 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 1 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:20,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1524 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 10:59:20,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2022-12-14 10:59:20,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 2842. [2022-12-14 10:59:20,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 1837 states have (on average 1.3451279259662494) internal successors, (2471), 1863 states have internal predecessors, (2471), 667 states have call successors, (667), 342 states have call predecessors, (667), 337 states have return successors, (679), 656 states have call predecessors, (679), 663 states have call successors, (679) [2022-12-14 10:59:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 3817 transitions. [2022-12-14 10:59:20,426 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 3817 transitions. Word has length 190 [2022-12-14 10:59:20,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:20,427 INFO L495 AbstractCegarLoop]: Abstraction has 2842 states and 3817 transitions. [2022-12-14 10:59:20,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 10:59:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 3817 transitions. [2022-12-14 10:59:20,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-12-14 10:59:20,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:20,432 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:59:20,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 10:59:20,432 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:20,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:20,432 INFO L85 PathProgramCache]: Analyzing trace with hash -10849304, now seen corresponding path program 1 times [2022-12-14 10:59:20,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:20,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71555567] [2022-12-14 10:59:20,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:20,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:20,751 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-12-14 10:59:20,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:20,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71555567] [2022-12-14 10:59:20,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71555567] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:59:20,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435505850] [2022-12-14 10:59:20,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:20,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:59:20,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:59:20,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:59:20,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:59:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:21,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:59:21,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:59:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2022-12-14 10:59:21,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:59:21,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435505850] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:21,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 10:59:21,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 10:59:21,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993720516] [2022-12-14 10:59:21,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:21,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:21,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:21,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:21,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:59:21,313 INFO L87 Difference]: Start difference. First operand 2842 states and 3817 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 10:59:21,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:21,780 INFO L93 Difference]: Finished difference Result 4532 states and 6065 transitions. [2022-12-14 10:59:21,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:21,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2022-12-14 10:59:21,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:21,785 INFO L225 Difference]: With dead ends: 4532 [2022-12-14 10:59:21,785 INFO L226 Difference]: Without dead ends: 1722 [2022-12-14 10:59:21,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 198 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 10:59:21,790 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 9 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:21,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1521 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 10:59:21,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-12-14 10:59:21,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1706. [2022-12-14 10:59:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1105 states have (on average 1.3429864253393664) internal successors, (1484), 1122 states have internal predecessors, (1484), 394 states have call successors, (394), 209 states have call predecessors, (394), 206 states have return successors, (398), 386 states have call predecessors, (398), 390 states have call successors, (398) [2022-12-14 10:59:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2276 transitions. [2022-12-14 10:59:21,866 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2276 transitions. Word has length 198 [2022-12-14 10:59:21,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:21,867 INFO L495 AbstractCegarLoop]: Abstraction has 1706 states and 2276 transitions. [2022-12-14 10:59:21,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 10:59:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2276 transitions. [2022-12-14 10:59:21,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-12-14 10:59:21,870 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:21,870 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:59:21,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:59:22,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 10:59:22,071 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:22,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:22,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1036704870, now seen corresponding path program 1 times [2022-12-14 10:59:22,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:22,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731260776] [2022-12-14 10:59:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:22,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:22,338 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-12-14 10:59:22,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:22,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731260776] [2022-12-14 10:59:22,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731260776] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:59:22,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432561501] [2022-12-14 10:59:22,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:22,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:59:22,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:59:22,340 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:59:22,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6108044f-727e-4051-87f9-05799a0fc0cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:59:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:22,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 2530 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:59:22,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:59:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 183 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 10:59:22,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:59:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-12-14 10:59:23,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432561501] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:59:23,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [365791996] [2022-12-14 10:59:23,091 INFO L159 IcfgInterpreter]: Started Sifa with 101 locations of interest [2022-12-14 10:59:23,091 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:59:23,094 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:59:23,097 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:59:23,098 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:59:24,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:24,286 INFO L217 Elim1Store]: Index analysis took 311 ms [2022-12-14 10:59:47,780 WARN L233 SmtUtils]: Spent 23.45s on a formula simplification. DAG size of input: 1680 DAG size of output: 674 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 10:59:47,783 INFO L321 Elim1Store]: treesize reduction 9601, result has 14.0 percent of original size [2022-12-14 10:59:47,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1053 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 53 case distinctions, treesize of input 261 treesize of output 1711 [2022-12-14 10:59:48,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 103 [2022-12-14 10:59:49,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:49,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:50,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:50,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:51,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:51,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:51,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:59:51,580 INFO L217 Elim1Store]: Index analysis took 2541 ms [2022-12-14 11:00:29,331 WARN L233 SmtUtils]: Spent 37.71s on a formula simplification. DAG size of input: 2520 DAG size of output: 1018 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:00:29,335 INFO L321 Elim1Store]: treesize reduction 12806, result has 12.8 percent of original size [2022-12-14 11:00:29,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1099 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 502 case distinctions, treesize of input 455 treesize of output 2213 [2022-12-14 11:00:31,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 456 treesize of output 401 [2022-12-14 11:00:31,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 109 [2022-12-14 11:00:40,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:00:40,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 11:00:40,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-14 11:00:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1494 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-12-14 11:00:44,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 737 treesize of output 551 [2022-12-14 11:00:44,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-12-14 11:00:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-12-14 11:00:44,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:44,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 41 [2022-12-14 11:00:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 58 [2022-12-14 11:00:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:45,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 56 select indices, 56 select index equivalence classes, 1540 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 169 [2022-12-14 11:00:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:55,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:55,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:55,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:55,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1494 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-12-14 11:00:56,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 56 select indices, 56 select index equivalence classes, 1540 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 169 [2022-12-14 11:00:56,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 737 treesize of output 551 [2022-12-14 11:00:56,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-12-14 11:00:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 58 [2022-12-14 11:00:56,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-12-14 11:00:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:00:56,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 41 [2022-12-14 11:01:06,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:01:07,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:01:07,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:01:11,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:01:11,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:01:12,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:01:20,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:01:21,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:01:21,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:01:24,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:01:25,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:01:25,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:02:22,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:02:22,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:02:23,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:02:24,430 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:02:24,450 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:02:24,466 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:03:50,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:03:50,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:03:50,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:03:52,588 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:03:52,614 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:03:52,629 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:04:01,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:04:02,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:04:02,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:04:06,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:04:07,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:04:07,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:04:16,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:04:16,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:04:16,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:04:20,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:04:21,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:04:21,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:05:10,046 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 782 for LOIs [2022-12-14 11:05:11,215 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 2107 for LOIs [2022-12-14 11:05:20,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 11:05:24,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:05:32,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,582 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-12-14 11:05:32,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:32,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1551 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 1 [2022-12-14 11:05:49,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,240 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-12-14 11:05:49,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:49,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1551 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 1 [2022-12-14 11:06:06,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:06:06,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1551 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 1 [2022-12-14 11:06:07,013 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 205 for LOIs [2022-12-14 11:06:07,044 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2022-12-14 11:06:07,061 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:06:49,407 WARN L233 SmtUtils]: Spent 42.20s on a formula simplification. DAG size of input: 2023 DAG size of output: 1175 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:07:26,614 WARN L233 SmtUtils]: Spent 32.01s on a formula simplification. DAG size of input: 1561 DAG size of output: 1532 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:08:01,637 WARN L233 SmtUtils]: Spent 34.49s on a formula simplification. DAG size of input: 1564 DAG size of output: 1535 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:08:35,071 WARN L233 SmtUtils]: Spent 32.76s on a formula simplification. DAG size of input: 1579 DAG size of output: 1547 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:09:08,453 WARN L233 SmtUtils]: Spent 32.73s on a formula simplification. DAG size of input: 1583 DAG size of output: 1551 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:10:02,295 WARN L233 SmtUtils]: Spent 52.90s on a formula simplification. DAG size of input: 1714 DAG size of output: 1573 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:10:54,551 WARN L233 SmtUtils]: Spent 51.28s on a formula simplification. DAG size of input: 1718 DAG size of output: 1586 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:11:31,241 WARN L233 SmtUtils]: Spent 35.84s on a formula simplification. DAG size of input: 1616 DAG size of output: 1576 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:12:07,703 WARN L233 SmtUtils]: Spent 35.40s on a formula simplification. DAG size of input: 1620 DAG size of output: 1580 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:12:42,242 WARN L233 SmtUtils]: Spent 33.59s on a formula simplification. DAG size of input: 1635 DAG size of output: 1592 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:13:17,018 WARN L233 SmtUtils]: Spent 33.74s on a formula simplification. DAG size of input: 1639 DAG size of output: 1596 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)