./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI --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 1ebada516f0ccae5e55b91f6e0fe5802f70171054dc79c047f46877ad506c65e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:55:23,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:55:23,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:55:23,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:55:23,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:55:23,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:55:23,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:55:23,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:55:23,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:55:23,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:55:23,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:55:23,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:55:23,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:55:23,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:55:23,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:55:23,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:55:23,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:55:23,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:55:23,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:55:23,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:55:23,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:55:23,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:55:23,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:55:23,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:55:23,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:55:23,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:55:23,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:55:23,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:55:23,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:55:23,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:55:23,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:55:23,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:55:23,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:55:23,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:55:23,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:55:23,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:55:23,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:55:23,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:55:23,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:55:23,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:55:23,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:55:23,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:55:24,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:55:24,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:55:24,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:55:24,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:55:24,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:55:24,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:55:24,025 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:55:24,025 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:55:24,025 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:55:24,025 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:55:24,026 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:55:24,027 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:55:24,027 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:55:24,027 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:55:24,027 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:55:24,028 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:55:24,028 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:55:24,028 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:55:24,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:55:24,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:55:24,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:55:24,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:55:24,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:55:24,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:55:24,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:55:24,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:55:24,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:55:24,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:55:24,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:55:24,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:55:24,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:55:24,034 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:55:24,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:55:24,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:55:24,034 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:55:24,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:55:24,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:55:24,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:55:24,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ebada516f0ccae5e55b91f6e0fe5802f70171054dc79c047f46877ad506c65e [2022-11-03 01:55:24,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:55:24,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:55:24,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:55:24,450 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:55:24,451 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:55:24,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2022-11-03 01:55:24,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/data/d9cd24987/ac7e7180abc444659b1f3c8a95f62101/FLAG5ccbc1a32 [2022-11-03 01:55:25,633 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:55:25,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2022-11-03 01:55:25,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/data/d9cd24987/ac7e7180abc444659b1f3c8a95f62101/FLAG5ccbc1a32 [2022-11-03 01:55:25,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/data/d9cd24987/ac7e7180abc444659b1f3c8a95f62101 [2022-11-03 01:55:25,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:55:26,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:55:26,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:55:26,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:55:26,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:55:26,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:55:25" (1/1) ... [2022-11-03 01:55:26,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3aa5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:26, skipping insertion in model container [2022-11-03 01:55:26,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:55:25" (1/1) ... [2022-11-03 01:55:26,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:55:26,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:55:26,528 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_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2022-11-03 01:55:26,536 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_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2022-11-03 01:55:27,547 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,549 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,549 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,551 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,552 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,583 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,587 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,593 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,596 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,601 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,604 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,606 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:27,610 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,183 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 01:55:28,185 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 01:55:28,187 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 01:55:28,188 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 01:55:28,189 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 01:55:28,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 01:55:28,191 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 01:55:28,191 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 01:55:28,192 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 01:55:28,193 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 01:55:28,367 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 01:55:28,394 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,400 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,484 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,485 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,485 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,486 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,486 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,487 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,487 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,488 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,488 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,489 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,489 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,489 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,490 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,493 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,494 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,494 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,495 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,499 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,499 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,509 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,510 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,511 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,524 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,525 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,525 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:55:28,561 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:55:28,578 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_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2022-11-03 01:55:28,579 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_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2022-11-03 01:55:28,622 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,623 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,624 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,624 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,625 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,633 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,634 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,636 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,636 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,638 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,639 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,639 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,640 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,680 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 01:55:28,681 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 01:55:28,682 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 01:55:28,683 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 01:55:28,685 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 01:55:28,685 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 01:55:28,686 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 01:55:28,687 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 01:55:28,687 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 01:55:28,688 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 01:55:28,723 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 01:55:28,755 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,763 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,818 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,823 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,823 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,826 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,827 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,828 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,829 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,830 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,831 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,832 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,875 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,875 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,875 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,877 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,877 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,877 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,878 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,881 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,882 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,897 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,898 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,900 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,922 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,923 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,924 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:55:28,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:55:29,215 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:55:29,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29 WrapperNode [2022-11-03 01:55:29,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:55:29,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:55:29,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:55:29,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:55:29,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,403 INFO L138 Inliner]: procedures = 697, calls = 1921, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1060 [2022-11-03 01:55:29,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:55:29,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:55:29,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:55:29,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:55:29,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,552 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:55:29,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:55:29,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:55:29,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:55:29,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (1/1) ... [2022-11-03 01:55:29,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:55:29,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:29,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:55:29,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:55:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-03 01:55:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-03 01:55:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-03 01:55:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-03 01:55:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:55:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-03 01:55:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-03 01:55:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 01:55:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 01:55:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 01:55:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 01:55:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-03 01:55:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-03 01:55:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:55:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:55:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 01:55:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 01:55:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 01:55:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 01:55:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2022-11-03 01:55:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2022-11-03 01:55:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:55:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:55:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:55:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-03 01:55:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-03 01:55:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 01:55:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 01:55:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:55:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:55:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 01:55:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 01:55:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 01:55:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 01:55:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:55:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-03 01:55:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-03 01:55:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-03 01:55:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-03 01:55:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-03 01:55:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-03 01:55:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:55:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:55:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:55:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:55:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 01:55:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 01:55:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-11-03 01:55:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-11-03 01:55:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:55:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:55:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:55:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-03 01:55:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-03 01:55:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 01:55:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 01:55:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 01:55:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 01:55:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:55:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-03 01:55:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-03 01:55:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-03 01:55:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-03 01:55:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:55:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:55:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:55:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2022-11-03 01:55:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2022-11-03 01:55:30,310 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:55:30,312 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:55:32,936 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:55:33,282 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:55:33,282 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-03 01:55:33,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:55:33 BoogieIcfgContainer [2022-11-03 01:55:33,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:55:33,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:55:33,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:55:33,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:55:33,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:55:25" (1/3) ... [2022-11-03 01:55:33,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55aa6f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:55:33, skipping insertion in model container [2022-11-03 01:55:33,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:29" (2/3) ... [2022-11-03 01:55:33,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55aa6f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:55:33, skipping insertion in model container [2022-11-03 01:55:33,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:55:33" (3/3) ... [2022-11-03 01:55:33,299 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2022-11-03 01:55:33,318 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:55:33,318 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 01:55:33,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:55:33,418 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@710fd7d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:55:33,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-03 01:55:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 389 states, 199 states have (on average 1.221105527638191) internal successors, (243), 204 states have internal predecessors, (243), 160 states have call successors, (160), 27 states have call predecessors, (160), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2022-11-03 01:55:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-03 01:55:33,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:33,447 INFO L195 NwaCegarLoop]: trace histogram [9, 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, 1] [2022-11-03 01:55:33,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:33,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:33,456 INFO L85 PathProgramCache]: Analyzing trace with hash -953197930, now seen corresponding path program 1 times [2022-11-03 01:55:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:33,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41967369] [2022-11-03 01:55:33,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:33,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-03 01:55:34,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:34,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41967369] [2022-11-03 01:55:34,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41967369] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:55:34,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838953842] [2022-11-03 01:55:34,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:34,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:34,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:34,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:55:34,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:55:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:35,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 2398 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 01:55:35,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-03 01:55:35,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:55:35,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838953842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:35,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:55:35,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2022-11-03 01:55:35,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290378272] [2022-11-03 01:55:35,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:35,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:55:35,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:35,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:55:35,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:55:35,377 INFO L87 Difference]: Start difference. First operand has 389 states, 199 states have (on average 1.221105527638191) internal successors, (243), 204 states have internal predecessors, (243), 160 states have call successors, (160), 27 states have call predecessors, (160), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 01:55:36,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:36,186 INFO L93 Difference]: Finished difference Result 710 states and 1085 transitions. [2022-11-03 01:55:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:55:36,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 106 [2022-11-03 01:55:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:36,201 INFO L225 Difference]: With dead ends: 710 [2022-11-03 01:55:36,201 INFO L226 Difference]: Without dead ends: 386 [2022-11-03 01:55:36,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:55:36,213 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:36,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:55:36,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-11-03 01:55:36,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2022-11-03 01:55:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 198 states have (on average 1.1919191919191918) internal successors, (236), 201 states have internal predecessors, (236), 160 states have call successors, (160), 27 states have call predecessors, (160), 26 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2022-11-03 01:55:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 554 transitions. [2022-11-03 01:55:36,315 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 554 transitions. Word has length 106 [2022-11-03 01:55:36,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:36,317 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 554 transitions. [2022-11-03 01:55:36,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 01:55:36,317 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 554 transitions. [2022-11-03 01:55:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-03 01:55:36,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:36,321 INFO L195 NwaCegarLoop]: trace histogram [11, 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, 1, 1, 1, 1, 1] [2022-11-03 01:55:36,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:36,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 01:55:36,537 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:36,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:36,538 INFO L85 PathProgramCache]: Analyzing trace with hash -777866516, now seen corresponding path program 1 times [2022-11-03 01:55:36,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:36,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509765602] [2022-11-03 01:55:36,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:36,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-03 01:55:37,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:37,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509765602] [2022-11-03 01:55:37,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509765602] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:55:37,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431401321] [2022-11-03 01:55:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:37,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:37,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:37,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:55:37,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:55:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:37,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 2472 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 01:55:37,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-11-03 01:55:37,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:55:37,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431401321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:37,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:55:37,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-03 01:55:37,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068431700] [2022-11-03 01:55:37,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:37,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:55:37,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:37,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:55:37,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:55:37,960 INFO L87 Difference]: Start difference. First operand 386 states and 554 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 01:55:40,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:40,675 INFO L93 Difference]: Finished difference Result 744 states and 1084 transitions. [2022-11-03 01:55:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:55:40,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 118 [2022-11-03 01:55:40,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:40,683 INFO L225 Difference]: With dead ends: 744 [2022-11-03 01:55:40,683 INFO L226 Difference]: Without dead ends: 388 [2022-11-03 01:55:40,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:55:40,687 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 49 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:40,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1829 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 01:55:40,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-11-03 01:55:40,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2022-11-03 01:55:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 199 states have (on average 1.1909547738693467) internal successors, (237), 203 states have internal predecessors, (237), 160 states have call successors, (160), 27 states have call predecessors, (160), 27 states have return successors, (171), 158 states have call predecessors, (171), 158 states have call successors, (171) [2022-11-03 01:55:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 568 transitions. [2022-11-03 01:55:40,757 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 568 transitions. Word has length 118 [2022-11-03 01:55:40,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:40,766 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 568 transitions. [2022-11-03 01:55:40,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 01:55:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 568 transitions. [2022-11-03 01:55:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-03 01:55:40,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:40,781 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:40,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:40,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:40,994 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:40,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:40,995 INFO L85 PathProgramCache]: Analyzing trace with hash -677546172, now seen corresponding path program 1 times [2022-11-03 01:55:40,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:40,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371554507] [2022-11-03 01:55:40,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:40,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-03 01:55:41,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:41,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371554507] [2022-11-03 01:55:41,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371554507] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:55:41,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004633597] [2022-11-03 01:55:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:41,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:41,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:41,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:55:41,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:55:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:42,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 2522 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 01:55:42,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-11-03 01:55:42,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:55:42,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004633597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:42,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:55:42,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-03 01:55:42,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071821345] [2022-11-03 01:55:42,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:42,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:55:42,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:42,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:55:42,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:55:42,970 INFO L87 Difference]: Start difference. First operand 388 states and 568 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-03 01:55:44,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:46,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:46,620 INFO L93 Difference]: Finished difference Result 759 states and 1143 transitions. [2022-11-03 01:55:46,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:55:46,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 126 [2022-11-03 01:55:46,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:46,626 INFO L225 Difference]: With dead ends: 759 [2022-11-03 01:55:46,626 INFO L226 Difference]: Without dead ends: 401 [2022-11-03 01:55:46,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:55:46,630 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 64 mSDsluCounter, 2409 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 2670 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:46,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 2670 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 01:55:46,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-11-03 01:55:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 399. [2022-11-03 01:55:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 207 states have (on average 1.1932367149758454) internal successors, (247), 211 states have internal predecessors, (247), 162 states have call successors, (162), 27 states have call predecessors, (162), 28 states have return successors, (190), 161 states have call predecessors, (190), 160 states have call successors, (190) [2022-11-03 01:55:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 599 transitions. [2022-11-03 01:55:46,695 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 599 transitions. Word has length 126 [2022-11-03 01:55:46,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:46,696 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 599 transitions. [2022-11-03 01:55:46,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-03 01:55:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 599 transitions. [2022-11-03 01:55:46,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-03 01:55:46,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:46,705 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:46,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:46,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:46,911 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:46,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1948552153, now seen corresponding path program 1 times [2022-11-03 01:55:46,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:46,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771725078] [2022-11-03 01:55:46,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:46,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:47,032 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:55:47,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835040494] [2022-11-03 01:55:47,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:47,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:47,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:47,034 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:55:47,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 01:55:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:47,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 2654 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 01:55:47,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-11-03 01:55:48,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:55:48,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:48,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771725078] [2022-11-03 01:55:48,040 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:55:48,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835040494] [2022-11-03 01:55:48,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835040494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:48,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:48,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:55:48,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296290120] [2022-11-03 01:55:48,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:48,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:55:48,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:48,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:55:48,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:55:48,043 INFO L87 Difference]: Start difference. First operand 399 states and 599 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-03 01:55:50,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:52,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:53,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:53,491 INFO L93 Difference]: Finished difference Result 776 states and 1204 transitions. [2022-11-03 01:55:53,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:55:53,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 135 [2022-11-03 01:55:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:53,496 INFO L225 Difference]: With dead ends: 776 [2022-11-03 01:55:53,496 INFO L226 Difference]: Without dead ends: 407 [2022-11-03 01:55:53,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:55:53,500 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 60 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:53,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 2272 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-03 01:55:53,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-11-03 01:55:53,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 399. [2022-11-03 01:55:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 207 states have (on average 1.1932367149758454) internal successors, (247), 211 states have internal predecessors, (247), 162 states have call successors, (162), 27 states have call predecessors, (162), 28 states have return successors, (190), 161 states have call predecessors, (190), 160 states have call successors, (190) [2022-11-03 01:55:53,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 599 transitions. [2022-11-03 01:55:53,534 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 599 transitions. Word has length 135 [2022-11-03 01:55:53,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:53,534 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 599 transitions. [2022-11-03 01:55:53,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-03 01:55:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 599 transitions. [2022-11-03 01:55:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-03 01:55:53,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:53,544 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:53,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:53,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:53,758 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:53,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:53,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1814418024, now seen corresponding path program 1 times [2022-11-03 01:55:53,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:53,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054047024] [2022-11-03 01:55:53,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:53,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:53,877 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:55:53,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063698612] [2022-11-03 01:55:53,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:53,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:53,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:53,879 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:55:53,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 01:55:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:54,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 2708 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 01:55:54,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-03 01:55:54,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:55:54,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:54,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054047024] [2022-11-03 01:55:54,993 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:55:54,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063698612] [2022-11-03 01:55:54,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063698612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:54,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:54,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:55:54,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766251439] [2022-11-03 01:55:54,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:54,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 01:55:54,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:54,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 01:55:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:55:54,997 INFO L87 Difference]: Start difference. First operand 399 states and 599 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2022-11-03 01:55:59,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:59,932 INFO L93 Difference]: Finished difference Result 778 states and 1196 transitions. [2022-11-03 01:55:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 01:55:59,933 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) Word has length 143 [2022-11-03 01:55:59,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:59,937 INFO L225 Difference]: With dead ends: 778 [2022-11-03 01:55:59,937 INFO L226 Difference]: Without dead ends: 409 [2022-11-03 01:55:59,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:55:59,941 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 83 mSDsluCounter, 2853 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 3075 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:59,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 3075 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 01:55:59,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-11-03 01:55:59,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 399. [2022-11-03 01:55:59,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 207 states have (on average 1.1932367149758454) internal successors, (247), 211 states have internal predecessors, (247), 162 states have call successors, (162), 27 states have call predecessors, (162), 28 states have return successors, (190), 161 states have call predecessors, (190), 160 states have call successors, (190) [2022-11-03 01:55:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 599 transitions. [2022-11-03 01:55:59,970 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 599 transitions. Word has length 143 [2022-11-03 01:55:59,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:59,971 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 599 transitions. [2022-11-03 01:55:59,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2022-11-03 01:55:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 599 transitions. [2022-11-03 01:55:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-03 01:55:59,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:59,974 INFO L195 NwaCegarLoop]: trace histogram [11, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:00,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 01:56:00,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:56:00,190 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:56:00,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:00,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1406351011, now seen corresponding path program 2 times [2022-11-03 01:56:00,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:00,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320749700] [2022-11-03 01:56:00,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:00,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:00,316 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:56:00,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1731687527] [2022-11-03 01:56:00,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 01:56:00,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:56:00,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:56:00,318 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:56:00,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 01:56:01,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 01:56:01,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:56:01,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 1885 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 01:56:01,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:56:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-03 01:56:01,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:56:01,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:01,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320749700] [2022-11-03 01:56:01,722 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:56:01,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731687527] [2022-11-03 01:56:01,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731687527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:01,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:01,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:56:01,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271362784] [2022-11-03 01:56:01,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:01,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:56:01,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:01,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:56:01,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:56:01,726 INFO L87 Difference]: Start difference. First operand 399 states and 599 transitions. Second operand has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 01:56:03,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:04,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:05,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:06,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:06,324 INFO L93 Difference]: Finished difference Result 730 states and 1127 transitions. [2022-11-03 01:56:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:56:06,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 152 [2022-11-03 01:56:06,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:06,328 INFO L225 Difference]: With dead ends: 730 [2022-11-03 01:56:06,328 INFO L226 Difference]: Without dead ends: 399 [2022-11-03 01:56:06,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:56:06,332 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 0 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:06,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1830 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-03 01:56:06,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2022-11-03 01:56:06,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2022-11-03 01:56:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 207 states have (on average 1.1932367149758454) internal successors, (247), 211 states have internal predecessors, (247), 162 states have call successors, (162), 27 states have call predecessors, (162), 28 states have return successors, (189), 161 states have call predecessors, (189), 160 states have call successors, (189) [2022-11-03 01:56:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 598 transitions. [2022-11-03 01:56:06,354 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 598 transitions. Word has length 152 [2022-11-03 01:56:06,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:06,355 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 598 transitions. [2022-11-03 01:56:06,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 01:56:06,355 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 598 transitions. [2022-11-03 01:56:06,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-03 01:56:06,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:06,357 INFO L195 NwaCegarLoop]: trace histogram [11, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:06,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 01:56:06,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 01:56:06,570 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:56:06,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:06,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2097149718, now seen corresponding path program 3 times [2022-11-03 01:56:06,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:06,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327036012] [2022-11-03 01:56:06,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:06,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:06,672 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:56:06,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956087451] [2022-11-03 01:56:06,673 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 01:56:06,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:56:06,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:56:06,674 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:56:06,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcab14c1-d4e1-440f-90bf-6a3eaaab3c86/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 01:56:07,193 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 01:56:07,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:56:07,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-03 01:56:07,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:56:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:56:07,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:56:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-11-03 01:56:08,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:08,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327036012] [2022-11-03 01:56:08,147 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:56:08,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956087451] [2022-11-03 01:56:08,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956087451] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:56:08,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1898882762] [2022-11-03 01:56:08,187 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2022-11-03 01:56:08,187 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:56:08,192 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:56:08,199 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:56:08,200 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:56:12,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:56:12,687 INFO L244 Elim1Store]: Index analysis took 514 ms [2022-11-03 01:56:39,489 WARN L234 SmtUtils]: Spent 26.74s on a formula simplification. DAG size of input: 1767 DAG size of output: 1175 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 01:56:39,495 INFO L356 Elim1Store]: treesize reduction 1968, result has 47.2 percent of original size [2022-11-03 01:56:39,500 INFO L390 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 [2022-11-03 01:56:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:56:43,734 INFO L244 Elim1Store]: Index analysis took 1017 ms [2022-11-03 01:57:35,636 WARN L234 SmtUtils]: Spent 51.83s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 01:57:35,640 INFO L356 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-11-03 01:57:35,643 INFO L390 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 [2022-11-03 01:59:32,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:32,033 INFO L390 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 44 treesize of output 43 [2022-11-03 01:59:32,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:32,042 INFO L390 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 44 treesize of output 43 [2022-11-03 01:59:32,052 INFO L390 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 [2022-11-03 01:59:32,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:32,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:32,064 INFO L390 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 [2022-11-03 01:59:37,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:37,076 INFO L244 Elim1Store]: Index analysis took 109 ms [2022-11-03 01:59:37,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-03 01:59:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:38,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-03 01:59:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:38,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:38,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:38,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:38,977 INFO L244 Elim1Store]: Index analysis took 201 ms [2022-11-03 01:59:39,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 01:59:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:39,667 INFO L244 Elim1Store]: Index analysis took 164 ms [2022-11-03 01:59:39,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 714 treesize of output 362 [2022-11-03 01:59:40,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:40,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:40,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:40,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:40,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:40,355 INFO L244 Elim1Store]: Index analysis took 108 ms [2022-11-03 01:59:40,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 01:59:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:52,829 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-03 01:59:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:53,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:53,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:53,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:53,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:53,555 INFO L244 Elim1Store]: Index analysis took 109 ms [2022-11-03 01:59:53,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 01:59:54,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,124 INFO L244 Elim1Store]: Index analysis took 120 ms [2022-11-03 01:59:54,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 714 treesize of output 362 [2022-11-03 01:59:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:54,637 INFO L244 Elim1Store]: Index analysis took 103 ms [2022-11-03 01:59:54,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 01:59:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:59:55,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-03 02:00:19,289 INFO L390 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 [2022-11-03 02:00:19,459 INFO L390 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 42 treesize of output 30 [2022-11-03 02:00:19,545 INFO L390 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 36 treesize of output 24 [2022-11-03 02:00:20,051 INFO L390 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 [2022-11-03 02:00:20,222 INFO L390 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 42 treesize of output 30 [2022-11-03 02:00:20,307 INFO L390 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 36 treesize of output 24 [2022-11-03 02:00:41,860 INFO L390 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 [2022-11-03 02:00:41,978 INFO L390 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 42 treesize of output 30 [2022-11-03 02:00:42,042 INFO L390 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 36 treesize of output 24 [2022-11-03 02:00:42,390 INFO L390 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 [2022-11-03 02:00:42,527 INFO L390 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 42 treesize of output 30 [2022-11-03 02:00:42,604 INFO L390 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 36 treesize of output 24 [2022-11-03 02:00:46,139 INFO L390 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 [2022-11-03 02:00:46,308 INFO L390 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 2383 treesize of output 2373 [2022-11-03 02:00:46,999 INFO L390 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 2387 treesize of output 2366 [2022-11-03 02:00:47,271 INFO L390 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 2383 treesize of output 2373 [2022-11-03 02:01:06,243 INFO L390 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 [2022-11-03 02:01:06,251 INFO L390 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 [2022-11-03 02:01:06,293 INFO L390 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 [2022-11-03 02:01:06,302 INFO L390 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 [2022-11-03 02:01:06,345 INFO L390 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 [2022-11-03 02:01:06,352 INFO L390 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 [2022-11-03 02:01:06,360 INFO L390 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 [2022-11-03 02:01:06,372 INFO L390 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 [2022-11-03 02:01:06,441 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:01:06,441 INFO L390 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 [2022-11-03 02:01:06,454 INFO L390 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 [2022-11-03 02:01:06,463 INFO L390 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 [2022-11-03 02:01:06,543 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:01:06,544 INFO L390 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 [2022-11-03 02:01:06,556 INFO L390 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 [2022-11-03 02:01:06,568 INFO L390 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 [2022-11-03 02:01:06,730 INFO L390 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 6 treesize of output 5 [2022-11-03 02:01:06,751 INFO L390 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 27 treesize of output 23 [2022-11-03 02:01:06,755 INFO L390 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 23 treesize of output 19 [2022-11-03 02:01:06,773 INFO L390 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 27 treesize of output 23 [2022-11-03 02:01:06,778 INFO L390 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 23 treesize of output 19 [2022-11-03 02:01:09,352 INFO L390 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 2379 treesize of output 2351 [2022-11-03 02:01:09,697 INFO L390 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 2355 treesize of output 2327 [2022-11-03 02:01:10,025 INFO L390 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 2323 treesize of output 2299 [2022-11-03 02:01:31,546 INFO L390 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 2379 treesize of output 2351 [2022-11-03 02:01:31,929 INFO L390 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 2347 treesize of output 2323 [2022-11-03 02:01:32,079 INFO L390 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 2331 treesize of output 2303 [2022-11-03 02:03:34,344 INFO L390 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 [2022-11-03 02:03:35,494 INFO L356 Elim1Store]: treesize reduction 84, result has 9.7 percent of original size [2022-11-03 02:03:35,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 198 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 218 treesize of output 229 [2022-11-03 02:03:35,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 235 [2022-11-03 02:03:36,643 INFO L356 Elim1Store]: treesize reduction 156, result has 10.3 percent of original size [2022-11-03 02:03:36,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 221 treesize of output 240 [2022-11-03 02:03:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 59 [2022-11-03 02:03:37,049 INFO L390 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 68 treesize of output 57 [2022-11-03 02:03:37,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:37,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 46 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 80 [2022-11-03 02:03:37,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2022-11-03 02:03:37,582 INFO L390 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 [2022-11-03 02:03:38,195 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:03:38,196 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 198 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 237 treesize of output 233 [2022-11-03 02:03:39,307 INFO L356 Elim1Store]: treesize reduction 118, result has 13.2 percent of original size [2022-11-03 02:03:39,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 157 [2022-11-03 02:03:39,787 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 330 [2022-11-03 02:03:40,676 INFO L356 Elim1Store]: treesize reduction 77, result has 18.9 percent of original size [2022-11-03 02:03:40,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 275 treesize of output 294 [2022-11-03 02:03:41,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 199 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 188 [2022-11-03 02:03:42,030 INFO L356 Elim1Store]: treesize reduction 84, result has 9.7 percent of original size [2022-11-03 02:03:42,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 198 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 218 treesize of output 229 [2022-11-03 02:03:42,799 INFO L356 Elim1Store]: treesize reduction 156, result has 10.3 percent of original size [2022-11-03 02:03:42,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 221 treesize of output 240 [2022-11-03 02:03:42,934 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 58 [2022-11-03 02:03:43,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:43,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:03:43,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 59 [2022-11-03 02:05:26,739 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2902 for LOIs [2022-11-03 02:05:44,985 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 696 for LOIs [2022-11-03 02:05:51,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:05:51,435 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 02:05:51,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1951 treesize of output 1911 [2022-11-03 02:05:51,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:05:51,817 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 02:05:51,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1907 treesize of output 1867 [2022-11-03 02:05:51,996 INFO L390 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 1863 treesize of output 1839 [2022-11-03 02:05:58,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:05:58,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:05:58,554 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 02:05:58,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1951 treesize of output 1911 [2022-11-03 02:05:58,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:05:58,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:05:58,949 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 02:05:58,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1907 treesize of output 1867 [2022-11-03 02:05:59,122 INFO L390 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 1863 treesize of output 1839 [2022-11-03 02:06:04,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:06:04,381 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 02:06:04,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1951 treesize of output 1911 [2022-11-03 02:06:04,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:06:04,703 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 02:06:04,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1907 treesize of output 1867 [2022-11-03 02:06:04,880 INFO L390 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 1863 treesize of output 1839 [2022-11-03 02:06:07,638 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 740 for LOIs [2022-11-03 02:06:14,182 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1920 treesize of output 1920 [2022-11-03 02:06:14,294 INFO L390 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1914 treesize of output 1910 [2022-11-03 02:06:24,769 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1920 treesize of output 1920 [2022-11-03 02:06:24,875 INFO L390 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1914 treesize of output 1910 [2022-11-03 02:06:33,695 INFO L390 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 6 treesize of output 5 [2022-11-03 02:06:35,462 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1920 treesize of output 1920 [2022-11-03 02:06:35,578 INFO L390 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1914 treesize of output 1910 [2022-11-03 02:06:40,169 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 729 for LOIs [2022-11-03 02:07:01,765 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 718 for LOIs [2022-11-03 02:07:03,729 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2970 for LOIs [2022-11-03 02:08:32,463 INFO L390 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 11 treesize of output 7 [2022-11-03 02:08:32,497 INFO L390 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 11 treesize of output 7 [2022-11-03 02:08:32,525 INFO L390 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 [2022-11-03 02:08:32,537 INFO L390 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 [2022-11-03 02:08:55,825 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-03 02:08:55,828 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 54 for LOIs [2022-11-03 02:08:55,835 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 680 for LOIs [2022-11-03 02:09:02,032 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 47 for LOIs [2022-11-03 02:09:02,036 INFO L180 IcfgInterpreter]: Interpretation finished