./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P --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 b8e2b19500a9ff32f182f41fca1db48d6268985503aaacd0cb9efdaafa7d6419 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:36:26,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:36:26,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:36:26,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:36:26,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:36:26,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:36:26,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:36:26,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:36:26,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:36:26,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:36:26,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:36:26,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:36:26,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:36:26,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:36:26,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:36:26,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:36:26,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:36:26,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:36:26,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:36:27,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:36:27,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:36:27,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:36:27,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:36:27,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:36:27,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:36:27,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:36:27,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:36:27,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:36:27,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:36:27,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:36:27,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:36:27,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:36:27,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:36:27,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:36:27,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:36:27,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:36:27,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:36:27,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:36:27,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:36:27,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:36:27,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:36:27,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:36:27,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:36:27,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:36:27,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:36:27,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:36:27,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:36:27,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:36:27,089 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:36:27,090 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:36:27,090 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:36:27,090 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:36:27,094 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:36:27,095 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:36:27,095 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:36:27,095 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:36:27,095 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:36:27,095 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:36:27,096 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:36:27,096 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:36:27,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:36:27,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:36:27,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:36:27,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:36:27,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:36:27,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:36:27,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:36:27,098 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:36:27,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:36:27,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:36:27,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:36:27,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:36:27,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:36:27,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:36:27,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:36:27,102 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:36:27,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:36:27,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:36:27,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:36:27,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:36:27,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8e2b19500a9ff32f182f41fca1db48d6268985503aaacd0cb9efdaafa7d6419 [2021-11-21 00:36:27,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:36:27,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:36:27,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:36:27,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:36:27,409 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:36:27,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2021-11-21 00:36:27,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/data/e7789900e/0648d7543b894a448a38e5b44d39ec71/FLAG4cfc18177 [2021-11-21 00:36:28,334 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:36:28,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2021-11-21 00:36:28,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/data/e7789900e/0648d7543b894a448a38e5b44d39ec71/FLAG4cfc18177 [2021-11-21 00:36:28,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/data/e7789900e/0648d7543b894a448a38e5b44d39ec71 [2021-11-21 00:36:28,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:36:28,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:36:28,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:36:28,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:36:28,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:36:28,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:36:28" (1/1) ... [2021-11-21 00:36:28,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@293058db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:28, skipping insertion in model container [2021-11-21 00:36:28,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:36:28" (1/1) ... [2021-11-21 00:36:28,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:36:28,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:36:29,297 WARN L230 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_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2021-11-21 00:36:29,307 WARN L230 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_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2021-11-21 00:36:30,073 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 00:36:30,146 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,147 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,147 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,148 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,149 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,163 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,163 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,165 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,166 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,505 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 00:36:30,507 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 00:36:30,508 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 00:36:30,509 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 00:36:30,510 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 00:36:30,511 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 00:36:30,512 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 00:36:30,513 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 00:36:30,513 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 00:36:30,514 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 00:36:30,673 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,674 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:36:30,852 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:36:30,871 WARN L230 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_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2021-11-21 00:36:30,872 WARN L230 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_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2021-11-21 00:36:30,912 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 00:36:30,928 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,929 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,929 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,939 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,940 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:30,982 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 00:36:30,983 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 00:36:30,984 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 00:36:30,985 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 00:36:30,986 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 00:36:30,986 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 00:36:30,987 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 00:36:30,988 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 00:36:30,988 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 00:36:30,989 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 00:36:31,040 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:31,040 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:36:31,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:36:31,388 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:36:31,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31 WrapperNode [2021-11-21 00:36:31,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:36:31,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:36:31,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:36:31,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:36:31,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,617 INFO L137 Inliner]: procedures = 689, calls = 1536, calls flagged for inlining = 55, calls inlined = 11, statements flattened = 692 [2021-11-21 00:36:31,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:36:31,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:36:31,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:36:31,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:36:31,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:36:31,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:36:31,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:36:31,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:36:31,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (1/1) ... [2021-11-21 00:36:31,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:36:31,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:31,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:36:31,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:36:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-21 00:36:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-21 00:36:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:36:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-21 00:36:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-21 00:36:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-21 00:36:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-21 00:36:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-21 00:36:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-21 00:36:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:36:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-21 00:36:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-21 00:36:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:36:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:36:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:36:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:36:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-21 00:36:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-21 00:36:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:36:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:36:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:36:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-21 00:36:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-21 00:36:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-21 00:36:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-21 00:36:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-21 00:36:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-21 00:36:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-11-21 00:36:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-11-21 00:36:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 00:36:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 00:36:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:36:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:36:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:36:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-21 00:36:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-21 00:36:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-21 00:36:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-21 00:36:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:36:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2021-11-21 00:36:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2021-11-21 00:36:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-21 00:36:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-21 00:36:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:36:32,235 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:36:32,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:36:33,197 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:36:33,376 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:36:33,376 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 00:36:33,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:36:33 BoogieIcfgContainer [2021-11-21 00:36:33,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:36:33,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:36:33,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:36:33,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:36:33,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:36:28" (1/3) ... [2021-11-21 00:36:33,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2dc9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:36:33, skipping insertion in model container [2021-11-21 00:36:33,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:31" (2/3) ... [2021-11-21 00:36:33,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2dc9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:36:33, skipping insertion in model container [2021-11-21 00:36:33,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:36:33" (3/3) ... [2021-11-21 00:36:33,396 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness.i [2021-11-21 00:36:33,403 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:36:33,403 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:36:33,469 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:36:33,485 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:36:33,486 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:36:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 77 states have internal predecessors, (91), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-11-21 00:36:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-21 00:36:33,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:33,530 INFO L514 BasicCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:33,531 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:36:33,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:33,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2033814116, now seen corresponding path program 1 times [2021-11-21 00:36:33,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:33,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137439156] [2021-11-21 00:36:33,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:33,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:34,038 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:36:34,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711796712] [2021-11-21 00:36:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:34,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:34,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:34,041 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:36:34,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:36:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:36:34,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 2210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:36:34,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:36:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-21 00:36:35,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:36:35,049 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:35,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137439156] [2021-11-21 00:36:35,049 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:36:35,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711796712] [2021-11-21 00:36:35,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711796712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:36:35,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:36:35,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:36:35,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101900883] [2021-11-21 00:36:35,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:36:35,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:36:35,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:36:35,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:36:35,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:36:35,106 INFO L87 Difference]: Start difference. First operand has 134 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 77 states have internal predecessors, (91), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-21 00:36:35,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:36:35,680 INFO L93 Difference]: Finished difference Result 234 states and 312 transitions. [2021-11-21 00:36:35,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:36:35,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 87 [2021-11-21 00:36:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:36:35,696 INFO L225 Difference]: With dead ends: 234 [2021-11-21 00:36:35,696 INFO L226 Difference]: Without dead ends: 132 [2021-11-21 00:36:35,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:36:35,708 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 22 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:36:35,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 518 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 00:36:35,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-21 00:36:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-11-21 00:36:35,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 76 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-11-21 00:36:35,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 167 transitions. [2021-11-21 00:36:35,790 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 167 transitions. Word has length 87 [2021-11-21 00:36:35,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:36:35,792 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 167 transitions. [2021-11-21 00:36:35,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-21 00:36:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2021-11-21 00:36:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-21 00:36:35,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:35,800 INFO L514 BasicCegarLoop]: trace histogram [7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:35,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:36:36,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 00:36:36,023 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:36:36,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:36,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1232881202, now seen corresponding path program 1 times [2021-11-21 00:36:36,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:36,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379584758] [2021-11-21 00:36:36,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:36,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:36,191 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:36:36,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040297967] [2021-11-21 00:36:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:36,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:36,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:36,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:36:36,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:36:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:36:36,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 00:36:36,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:36:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-21 00:36:36,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:36:36,917 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:36,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379584758] [2021-11-21 00:36:36,918 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:36:36,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040297967] [2021-11-21 00:36:36,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040297967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:36:36,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:36:36,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-21 00:36:36,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143266295] [2021-11-21 00:36:36,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:36:36,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 00:36:36,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:36:36,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 00:36:36,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:36:36,921 INFO L87 Difference]: Start difference. First operand 132 states and 167 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-21 00:36:37,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:36:37,479 INFO L93 Difference]: Finished difference Result 241 states and 311 transitions. [2021-11-21 00:36:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:36:37,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 95 [2021-11-21 00:36:37,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:36:37,490 INFO L225 Difference]: With dead ends: 241 [2021-11-21 00:36:37,491 INFO L226 Difference]: Without dead ends: 134 [2021-11-21 00:36:37,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-21 00:36:37,497 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 35 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:36:37,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 776 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 00:36:37,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-21 00:36:37,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-21 00:36:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 78 states have internal predecessors, (89), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2021-11-21 00:36:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 171 transitions. [2021-11-21 00:36:37,526 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 171 transitions. Word has length 95 [2021-11-21 00:36:37,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:36:37,529 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 171 transitions. [2021-11-21 00:36:37,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-21 00:36:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 171 transitions. [2021-11-21 00:36:37,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 00:36:37,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:37,537 INFO L514 BasicCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:37,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:36:37,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:37,763 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:36:37,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:37,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1939190100, now seen corresponding path program 1 times [2021-11-21 00:36:37,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:37,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95028548] [2021-11-21 00:36:37,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:37,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:37,839 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:36:37,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066620312] [2021-11-21 00:36:37,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:37,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:37,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:37,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:36:37,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:36:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:36:38,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:36:38,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:36:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-21 00:36:38,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:36:38,612 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:38,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95028548] [2021-11-21 00:36:38,614 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:36:38,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066620312] [2021-11-21 00:36:38,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066620312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:36:38,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:36:38,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 00:36:38,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248229807] [2021-11-21 00:36:38,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:36:38,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:36:38,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:36:38,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:36:38,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:36:38,619 INFO L87 Difference]: Start difference. First operand 134 states and 171 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-21 00:36:39,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:36:39,012 INFO L93 Difference]: Finished difference Result 235 states and 301 transitions. [2021-11-21 00:36:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:36:39,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 104 [2021-11-21 00:36:39,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:36:39,018 INFO L225 Difference]: With dead ends: 235 [2021-11-21 00:36:39,018 INFO L226 Difference]: Without dead ends: 134 [2021-11-21 00:36:39,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:36:39,020 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 32 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:36:39,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 634 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 00:36:39,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-21 00:36:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-21 00:36:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2021-11-21 00:36:39,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2021-11-21 00:36:39,038 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 104 [2021-11-21 00:36:39,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:36:39,039 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2021-11-21 00:36:39,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-21 00:36:39,039 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2021-11-21 00:36:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 00:36:39,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:39,042 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:39,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:36:39,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:39,262 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:36:39,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:39,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1703128983, now seen corresponding path program 1 times [2021-11-21 00:36:39,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:39,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906407098] [2021-11-21 00:36:39,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:39,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:39,372 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:36:39,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977018955] [2021-11-21 00:36:39,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:39,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:39,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:39,375 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:36:39,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:36:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:36:39,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 2424 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 00:36:39,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:36:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-21 00:36:40,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:36:40,146 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:40,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906407098] [2021-11-21 00:36:40,148 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:36:40,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977018955] [2021-11-21 00:36:40,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977018955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:36:40,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:36:40,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 00:36:40,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915079388] [2021-11-21 00:36:40,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:36:40,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:36:40,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:36:40,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:36:40,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:36:40,152 INFO L87 Difference]: Start difference. First operand 134 states and 170 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2021-11-21 00:36:40,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:36:40,633 INFO L93 Difference]: Finished difference Result 240 states and 306 transitions. [2021-11-21 00:36:40,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 00:36:40,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 112 [2021-11-21 00:36:40,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:36:40,636 INFO L225 Difference]: With dead ends: 240 [2021-11-21 00:36:40,636 INFO L226 Difference]: Without dead ends: 134 [2021-11-21 00:36:40,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-21 00:36:40,638 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 46 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:36:40,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 865 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 00:36:40,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-21 00:36:40,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-21 00:36:40,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (41), 39 states have call predecessors, (41), 39 states have call successors, (41) [2021-11-21 00:36:40,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 169 transitions. [2021-11-21 00:36:40,670 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 169 transitions. Word has length 112 [2021-11-21 00:36:40,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:36:40,671 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 169 transitions. [2021-11-21 00:36:40,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2021-11-21 00:36:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2021-11-21 00:36:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 00:36:40,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:40,673 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:40,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:36:40,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-21 00:36:40,887 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:36:40,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:40,887 INFO L85 PathProgramCache]: Analyzing trace with hash -230160901, now seen corresponding path program 2 times [2021-11-21 00:36:40,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:40,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545164128] [2021-11-21 00:36:40,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:40,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:40,948 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:36:40,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [699292574] [2021-11-21 00:36:40,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-21 00:36:40,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:40,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:40,950 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:36:40,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:36:41,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-21 00:36:41,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:36:41,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 00:36:41,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:36:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-21 00:36:42,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:36:42,122 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:42,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545164128] [2021-11-21 00:36:42,123 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:36:42,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699292574] [2021-11-21 00:36:42,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699292574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:36:42,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:36:42,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:36:42,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539452201] [2021-11-21 00:36:42,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:36:42,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:36:42,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:36:42,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:36:42,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:36:42,125 INFO L87 Difference]: Start difference. First operand 134 states and 169 transitions. Second operand has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-21 00:36:42,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:36:42,409 INFO L93 Difference]: Finished difference Result 213 states and 267 transitions. [2021-11-21 00:36:42,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:36:42,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 121 [2021-11-21 00:36:42,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:36:42,428 INFO L225 Difference]: With dead ends: 213 [2021-11-21 00:36:42,429 INFO L226 Difference]: Without dead ends: 134 [2021-11-21 00:36:42,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:36:42,431 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:36:42,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 549 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-21 00:36:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-21 00:36:42,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-21 00:36:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (40), 39 states have call predecessors, (40), 39 states have call successors, (40) [2021-11-21 00:36:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 168 transitions. [2021-11-21 00:36:42,463 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 168 transitions. Word has length 121 [2021-11-21 00:36:42,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:36:42,465 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 168 transitions. [2021-11-21 00:36:42,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-21 00:36:42,466 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 168 transitions. [2021-11-21 00:36:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 00:36:42,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:42,471 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:42,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:36:42,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:42,687 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:36:42,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:42,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1030261011, now seen corresponding path program 3 times [2021-11-21 00:36:42,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:42,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282812509] [2021-11-21 00:36:42,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:42,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:42,760 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:36:42,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585853702] [2021-11-21 00:36:42,761 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-21 00:36:42,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:42,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:42,762 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:36:42,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:36:43,264 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-21 00:36:43,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:36:43,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 00:36:43,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:36:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-21 00:36:43,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:36:43,597 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:43,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282812509] [2021-11-21 00:36:43,598 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:36:43,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585853702] [2021-11-21 00:36:43,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585853702] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:36:43,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:36:43,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 00:36:43,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912933971] [2021-11-21 00:36:43,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:36:43,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:36:43,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:36:43,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:36:43,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:36:43,600 INFO L87 Difference]: Start difference. First operand 134 states and 168 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-21 00:36:44,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:36:44,023 INFO L93 Difference]: Finished difference Result 210 states and 260 transitions. [2021-11-21 00:36:44,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:36:44,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 130 [2021-11-21 00:36:44,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:36:44,030 INFO L225 Difference]: With dead ends: 210 [2021-11-21 00:36:44,030 INFO L226 Difference]: Without dead ends: 132 [2021-11-21 00:36:44,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:36:44,031 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 14 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:36:44,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 633 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 00:36:44,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-21 00:36:44,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-11-21 00:36:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.1466666666666667) internal successors, (86), 76 states have internal predecessors, (86), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-11-21 00:36:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 165 transitions. [2021-11-21 00:36:44,045 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 165 transitions. Word has length 130 [2021-11-21 00:36:44,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:36:44,045 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 165 transitions. [2021-11-21 00:36:44,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-21 00:36:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 165 transitions. [2021-11-21 00:36:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-21 00:36:44,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:44,048 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:44,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 00:36:44,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:44,263 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:36:44,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:44,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1200556263, now seen corresponding path program 1 times [2021-11-21 00:36:44,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:44,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552470399] [2021-11-21 00:36:44,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:44,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:44,321 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:36:44,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1761636608] [2021-11-21 00:36:44,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:44,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:36:44,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:44,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:36:44,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed7d5b2-50ea-44d2-bcbe-5a9ff3fc8bc4/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 00:36:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:36:44,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 2754 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-21 00:36:44,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:36:46,523 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 00:36:46,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 74 [2021-11-21 00:36:46,538 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 00:36:46,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 48 [2021-11-21 00:36:46,548 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 00:36:46,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2021-11-21 00:36:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 84 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-21 00:36:46,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:36:47,753 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:47,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552470399] [2021-11-21 00:36:47,753 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:36:47,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761636608] [2021-11-21 00:36:47,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761636608] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:36:47,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [337896395] [2021-11-21 00:36:47,779 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2021-11-21 00:36:47,779 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:36:47,784 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:36:47,789 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:36:47,790 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:36:53,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:53,733 INFO L244 Elim1Store]: Index analysis took 399 ms [2021-11-21 00:37:10,849 WARN L227 SmtUtils]: Spent 17.03s on a formula simplification. DAG size of input: 1767 DAG size of output: 1175 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:37:10,855 INFO L354 Elim1Store]: treesize reduction 1968, result has 47.2 percent of original size [2021-11-21 00:37:10,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2358 [2021-11-21 00:37:42,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:37:43,427 INFO L244 Elim1Store]: Index analysis took 849 ms [2021-11-21 00:38:13,160 WARN L227 SmtUtils]: Spent 29.66s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:38:13,164 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-21 00:38:13,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2021-11-21 00:38:36,097 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 00:38:36,246 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 00:38:37,150 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 00:38:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:42,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2021-11-21 00:38:42,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:42,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:42,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:42,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-21 00:38:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:42,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2021-11-21 00:38:42,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 00:38:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:44,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:38:44,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:44,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-21 00:38:44,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:44,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-21 00:38:45,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:45,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-21 00:38:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:45,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:38:45,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:45,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-21 00:38:45,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:45,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:45,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-21 00:38:45,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 00:38:46,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:46,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:46,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:46,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-21 00:38:46,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:46,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:46,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-21 00:38:46,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 00:38:46,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:38:47,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-11-21 00:38:47,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2021-11-21 00:38:47,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 00:38:47,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 00:38:47,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 00:38:47,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 00:38:47,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:47,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:38:47,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-21 00:38:47,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:38:47,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:38:47,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:38:47,773 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:38:47,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-21 00:38:47,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:38:47,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 00:38:48,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2021-11-21 00:38:49,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-21 00:38:49,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-21 00:38:49,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-21 00:38:49,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:57,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-21 00:38:57,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:38:57,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-21 00:38:57,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-21 00:39:04,910 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-21 00:39:05,352 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-21 00:41:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:14,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:41:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:14,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:14,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 10 [2021-11-21 00:41:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:14,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 10 [2021-11-21 00:41:22,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:22,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:22,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 10 [2021-11-21 00:41:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:22,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 10 [2021-11-21 00:41:22,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:22,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:41:26,603 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-21 00:41:26,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2021-11-21 00:41:26,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-21 00:41:27,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,650 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:27,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 00:41:27,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,700 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:27,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 00:41:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:27,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:27,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:27,864 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:27,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 34 [2021-11-21 00:41:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,156 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:29,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 00:41:29,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:29,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:41:29,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:29,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 34 [2021-11-21 00:41:29,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:29,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:29,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 00:41:30,006 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:41:30,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-11-21 00:41:30,509 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-21 00:41:30,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2021-11-21 00:41:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,539 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:31,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2021-11-21 00:41:31,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,677 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:31,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 00:41:31,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,741 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:31,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 00:41:32,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,574 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:32,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 00:41:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,688 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:32,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 00:41:32,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:32,847 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:32,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2021-11-21 00:41:37,457 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:41:37,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 00:41:37,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2021-11-21 00:41:37,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:41:53,192 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:41:53,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 00:41:53,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2021-11-21 00:41:53,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:46:03,822 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:46:03,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 271 treesize of output 275 [2021-11-21 00:46:03,860 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:46:03,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 275 treesize of output 279 [2021-11-21 00:46:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:03,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:03,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:04,607 INFO L354 Elim1Store]: treesize reduction 60, result has 82.2 percent of original size [2021-11-21 00:46:04,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 279 treesize of output 487 [2021-11-21 00:46:04,644 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:46:04,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 487 treesize of output 491