./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_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_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/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_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/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_90054e67-165c-421e-a5e2-d58b03342935/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 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a --- 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 02:53:22,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:53:22,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:53:22,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:53:22,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:53:22,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:53:22,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:53:22,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:53:22,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:53:22,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:53:22,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:53:22,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:53:22,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:53:22,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:53:22,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:53:22,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:53:22,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:53:22,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:53:22,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:53:22,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:53:22,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:53:22,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:53:22,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:53:22,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:53:22,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:53:22,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:53:22,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:53:22,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:53:22,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:53:22,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:53:22,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:53:22,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:53:22,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:53:22,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:53:22,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:53:22,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:53:22,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:53:22,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:53:22,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:53:22,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:53:22,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:53:22,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:53:22,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:53:22,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:53:22,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:53:22,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:53:22,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:53:22,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:53:22,572 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:53:22,573 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:53:22,573 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:53:22,573 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:53:22,574 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:53:22,575 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:53:22,575 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:53:22,575 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:53:22,575 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:53:22,575 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:53:22,576 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:53:22,576 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:53:22,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:53:22,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:53:22,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:53:22,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:53:22,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:53:22,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:53:22,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:53:22,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:53:22,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:53:22,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:53:22,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:53:22,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:22,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:53:22,581 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:53:22,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:53:22,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:53:22,582 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:53:22,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:53:22,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:53:22,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:53:22,583 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_90054e67-165c-421e-a5e2-d58b03342935/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a [2022-11-03 02:53:22,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:53:22,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:53:22,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:53:22,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:53:22,889 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:53:22,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2022-11-03 02:53:22,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/data/1ffdfb748/dacd213afbc0449588197a4d9ce31268/FLAG3e3046029 [2022-11-03 02:53:23,767 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:53:23,768 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2022-11-03 02:53:23,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/data/1ffdfb748/dacd213afbc0449588197a4d9ce31268/FLAG3e3046029 [2022-11-03 02:53:23,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/data/1ffdfb748/dacd213afbc0449588197a4d9ce31268 [2022-11-03 02:53:23,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:53:23,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:53:23,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:23,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:53:23,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:53:23,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:23" (1/1) ... [2022-11-03 02:53:23,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460df2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:23, skipping insertion in model container [2022-11-03 02:53:23,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:23" (1/1) ... [2022-11-03 02:53:23,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:53:23,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:53:24,212 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_90054e67-165c-421e-a5e2-d58b03342935/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2022-11-03 02:53:24,218 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_90054e67-165c-421e-a5e2-d58b03342935/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2022-11-03 02:53:25,184 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:53:25,296 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,297 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,297 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,300 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,302 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,330 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,332 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,334 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,335 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,337 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,338 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,339 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,339 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:25,798 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:53:25,800 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:53:25,802 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:53:25,805 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:53:25,807 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:53:25,812 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:53:25,813 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:53:25,817 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:53:25,819 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:53:25,821 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:53:26,034 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,048 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:26,151 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:53:26,165 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_90054e67-165c-421e-a5e2-d58b03342935/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2022-11-03 02:53:26,165 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_90054e67-165c-421e-a5e2-d58b03342935/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2022-11-03 02:53:26,203 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:53:26,228 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,231 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,232 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,232 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,233 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,243 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,245 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,251 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,251 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,254 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,255 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,255 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,256 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,324 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:53:26,325 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:53:26,326 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:53:26,327 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:53:26,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:53:26,332 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:53:26,333 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:53:26,333 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:53:26,334 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:53:26,335 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:53:26,421 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,426 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:26,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:26,727 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:53:26,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26 WrapperNode [2022-11-03 02:53:26,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:26,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:26,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:53:26,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:53:26,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,913 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 14, statements flattened = 895 [2022-11-03 02:53:26,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:26,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:53:26,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:53:26,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:53:26,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,979 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:53:26,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:53:26,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:53:26,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:53:26,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:27,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:27,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:27,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:53:27,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:53:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:53:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-03 02:53:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-03 02:53:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 02:53:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 02:53:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 02:53:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 02:53:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-03 02:53:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-03 02:53:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:53:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 02:53:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 02:53:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 02:53:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 02:53:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:53:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:53:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:53:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 02:53:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 02:53:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:53:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:53:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 02:53:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 02:53:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 02:53:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 02:53:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 02:53:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 02:53:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-03 02:53:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-03 02:53:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-03 02:53:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-03 02:53:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-03 02:53:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-03 02:53:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:53:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:53:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 02:53:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 02:53:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-03 02:53:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-03 02:53:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:53:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-03 02:53:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-03 02:53:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:53:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:53:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 02:53:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 02:53:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 02:53:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 02:53:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-03 02:53:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-03 02:53:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:53:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-03 02:53:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-03 02:53:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:53:27,549 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:53:27,552 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:53:28,931 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:53:29,142 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:53:29,143 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:53:29,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:29 BoogieIcfgContainer [2022-11-03 02:53:29,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:53:29,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:53:29,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:53:29,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:53:29,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:53:23" (1/3) ... [2022-11-03 02:53:29,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e0442e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:29, skipping insertion in model container [2022-11-03 02:53:29,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26" (2/3) ... [2022-11-03 02:53:29,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e0442e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:29, skipping insertion in model container [2022-11-03 02:53:29,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:29" (3/3) ... [2022-11-03 02:53:29,164 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_push_back_harness.i [2022-11-03 02:53:29,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:53:29,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:53:29,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:53:29,299 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;@1cea4171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:53:29,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:53:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 132 states have (on average 1.196969696969697) internal successors, (158), 133 states have internal predecessors, (158), 101 states have call successors, (101), 21 states have call predecessors, (101), 21 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2022-11-03 02:53:29,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:53:29,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:29,327 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:53:29,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:29,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:29,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1536676058, now seen corresponding path program 1 times [2022-11-03 02:53:29,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:29,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144268954] [2022-11-03 02:53:29,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:29,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-03 02:53:30,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:30,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144268954] [2022-11-03 02:53:30,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144268954] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:53:30,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405856415] [2022-11-03 02:53:30,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:30,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:30,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:30,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:53:30,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:53:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:31,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:53:31,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:53:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-03 02:53:31,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:53:31,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405856415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:31,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:53:31,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-03 02:53:31,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432416231] [2022-11-03 02:53:31,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:31,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:53:31,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:31,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:53:31,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:53:31,606 INFO L87 Difference]: Start difference. First operand has 256 states, 132 states have (on average 1.196969696969697) internal successors, (158), 133 states have internal predecessors, (158), 101 states have call successors, (101), 21 states have call predecessors, (101), 21 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 02:53:32,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:32,744 INFO L93 Difference]: Finished difference Result 491 states and 736 transitions. [2022-11-03 02:53:32,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:53:32,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 99 [2022-11-03 02:53:32,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:32,764 INFO L225 Difference]: With dead ends: 491 [2022-11-03 02:53:32,769 INFO L226 Difference]: Without dead ends: 256 [2022-11-03 02:53:32,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:53:32,778 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 89 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:32,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 1023 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 02:53:32,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-03 02:53:32,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-03 02:53:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (119), 100 states have call predecessors, (119), 100 states have call successors, (119) [2022-11-03 02:53:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 377 transitions. [2022-11-03 02:53:32,897 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 377 transitions. Word has length 99 [2022-11-03 02:53:32,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:32,897 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 377 transitions. [2022-11-03 02:53:32,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 02:53:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 377 transitions. [2022-11-03 02:53:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-03 02:53:32,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:32,911 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 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 02:53:32,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:53:33,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 02:53:33,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:33,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:33,138 INFO L85 PathProgramCache]: Analyzing trace with hash -84006546, now seen corresponding path program 1 times [2022-11-03 02:53:33,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:33,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212935528] [2022-11-03 02:53:33,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:33,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:33,287 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:53:33,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560223509] [2022-11-03 02:53:33,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:33,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:33,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:33,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:53:33,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:53:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:33,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 2492 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:53:33,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:53:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-03 02:53:34,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:53:34,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:34,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212935528] [2022-11-03 02:53:34,079 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:53:34,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560223509] [2022-11-03 02:53:34,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560223509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:34,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:34,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:53:34,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926265151] [2022-11-03 02:53:34,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:34,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:53:34,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:34,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:53:34,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:53:34,082 INFO L87 Difference]: Start difference. First operand 256 states and 377 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-03 02:53:35,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:35,755 INFO L93 Difference]: Finished difference Result 471 states and 693 transitions. [2022-11-03 02:53:35,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:53:35,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 117 [2022-11-03 02:53:35,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:35,759 INFO L225 Difference]: With dead ends: 471 [2022-11-03 02:53:35,759 INFO L226 Difference]: Without dead ends: 256 [2022-11-03 02:53:35,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:53:35,762 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 156 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:35,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1195 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:53:35,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-03 02:53:35,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-03 02:53:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (116), 100 states have call predecessors, (116), 100 states have call successors, (116) [2022-11-03 02:53:35,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 374 transitions. [2022-11-03 02:53:35,792 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 374 transitions. Word has length 117 [2022-11-03 02:53:35,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:35,793 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 374 transitions. [2022-11-03 02:53:35,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-03 02:53:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 374 transitions. [2022-11-03 02:53:35,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-03 02:53:35,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:35,796 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 02:53:35,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:53:36,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:36,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:36,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:36,018 INFO L85 PathProgramCache]: Analyzing trace with hash 343865442, now seen corresponding path program 2 times [2022-11-03 02:53:36,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:36,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484325195] [2022-11-03 02:53:36,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:36,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:36,164 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:53:36,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1290126322] [2022-11-03 02:53:36,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:53:36,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:36,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:36,166 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:53:36,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:53:36,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 02:53:36,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:53:36,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:53:36,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:53:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-03 02:53:36,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:53:36,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:36,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484325195] [2022-11-03 02:53:36,961 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:53:36,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290126322] [2022-11-03 02:53:36,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290126322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:36,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:36,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:53:36,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289835463] [2022-11-03 02:53:36,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:36,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:53:36,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:36,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:53:36,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:53:36,965 INFO L87 Difference]: Start difference. First operand 256 states and 374 transitions. Second operand has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-03 02:53:38,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:38,047 INFO L93 Difference]: Finished difference Result 467 states and 684 transitions. [2022-11-03 02:53:38,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:53:38,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 126 [2022-11-03 02:53:38,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:38,050 INFO L225 Difference]: With dead ends: 467 [2022-11-03 02:53:38,050 INFO L226 Difference]: Without dead ends: 256 [2022-11-03 02:53:38,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 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 02:53:38,052 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:38,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1175 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 02:53:38,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-03 02:53:38,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-03 02:53:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (115), 100 states have call predecessors, (115), 100 states have call successors, (115) [2022-11-03 02:53:38,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 373 transitions. [2022-11-03 02:53:38,078 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 373 transitions. Word has length 126 [2022-11-03 02:53:38,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:38,079 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 373 transitions. [2022-11-03 02:53:38,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-03 02:53:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2022-11-03 02:53:38,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-03 02:53:38,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:38,082 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:53:38,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:53:38,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:38,309 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:38,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:38,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2071297224, now seen corresponding path program 3 times [2022-11-03 02:53:38,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:38,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016237234] [2022-11-03 02:53:38,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:38,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:38,433 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:53:38,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [337501118] [2022-11-03 02:53:38,434 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:53:38,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:38,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:38,435 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:53:38,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:53:39,091 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:53:39,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:53:39,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 2756 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:53:39,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:53:39,270 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-11-03 02:53:39,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:53:39,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:39,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016237234] [2022-11-03 02:53:39,271 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:53:39,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337501118] [2022-11-03 02:53:39,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337501118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:39,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:39,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:53:39,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848523750] [2022-11-03 02:53:39,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:39,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:53:39,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:39,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:53:39,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:53:39,275 INFO L87 Difference]: Start difference. First operand 256 states and 373 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-03 02:53:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:40,837 INFO L93 Difference]: Finished difference Result 476 states and 694 transitions. [2022-11-03 02:53:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:53:40,838 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) Word has length 135 [2022-11-03 02:53:40,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:40,849 INFO L225 Difference]: With dead ends: 476 [2022-11-03 02:53:40,849 INFO L226 Difference]: Without dead ends: 266 [2022-11-03 02:53:40,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:53:40,853 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 159 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:40,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1770 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:53:40,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-03 02:53:40,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-11-03 02:53:40,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 136 states have (on average 1.1838235294117647) internal successors, (161), 138 states have internal predecessors, (161), 106 states have call successors, (106), 22 states have call predecessors, (106), 23 states have return successors, (120), 105 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-03 02:53:40,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 387 transitions. [2022-11-03 02:53:40,902 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 387 transitions. Word has length 135 [2022-11-03 02:53:40,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:40,904 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 387 transitions. [2022-11-03 02:53:40,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-03 02:53:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 387 transitions. [2022-11-03 02:53:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 02:53:40,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:40,910 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:53:40,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:53:41,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:41,117 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:41,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:41,118 INFO L85 PathProgramCache]: Analyzing trace with hash -383080950, now seen corresponding path program 1 times [2022-11-03 02:53:41,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:41,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570846876] [2022-11-03 02:53:41,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:41,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:41,249 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:53:41,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1054154025] [2022-11-03 02:53:41,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:41,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:41,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:41,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:53:41,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90054e67-165c-421e-a5e2-d58b03342935/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:53:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:41,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-03 02:53:41,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:53:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 122 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-03 02:53:42,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:53:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-11-03 02:53:42,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:42,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570846876] [2022-11-03 02:53:42,798 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:53:42,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054154025] [2022-11-03 02:53:42,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054154025] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:53:42,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [443069797] [2022-11-03 02:53:42,826 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2022-11-03 02:53:42,826 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:53:42,831 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:53:42,837 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:53:42,837 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:53:47,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:47,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:47,439 INFO L244 Elim1Store]: Index analysis took 519 ms [2022-11-03 02:54:10,765 WARN L234 SmtUtils]: Spent 23.23s on a formula simplification. DAG size of input: 1749 DAG size of output: 1163 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:54:10,779 INFO L356 Elim1Store]: treesize reduction 1948, result has 47.2 percent of original size [2022-11-03 02:54:10,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19310 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 194 case distinctions, treesize of input 992 treesize of output 2350 [2022-11-03 02:54:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:14,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:14,791 INFO L244 Elim1Store]: Index analysis took 948 ms [2022-11-03 02:54:49,437 WARN L234 SmtUtils]: Spent 34.59s on a formula simplification. DAG size of input: 2139 DAG size of output: 1167 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:54:49,441 INFO L356 Elim1Store]: treesize reduction 3492, result has 33.3 percent of original size [2022-11-03 02:54:49,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19507 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 388 case distinctions, treesize of input 1002 treesize of output 2369 [2022-11-03 02:55:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:56,387 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 02:55:56,395 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 02:55:56,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:56,404 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 02:55:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:56,411 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 02:55:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,001 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:56:00,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19502 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-11-03 02:56:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,726 INFO L244 Elim1Store]: Index analysis took 152 ms [2022-11-03 02:56:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:00,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:00,875 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-03 02:56:00,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-03 02:56:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:01,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19703 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 02:56:02,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,274 INFO L244 Elim1Store]: Index analysis took 143 ms [2022-11-03 02:56:02,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-03 02:56:02,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:02,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-03 02:56:11,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,598 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:56:11,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1246 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-11-03 02:56:11,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:12,067 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:56:12,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19699 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 2 case distinctions, treesize of input 996 treesize of output 598 [2022-11-03 02:56:12,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:12,689 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:56:12,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19502 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-11-03 02:56:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:13,305 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:56:13,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-03 02:56:13,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:13,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:13,996 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-03 02:56:14,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-03 02:56:15,180 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 02:56:15,191 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 02:56:15,223 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 02:56:15,227 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 02:56:15,261 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 02:56:15,270 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 02:56:15,278 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 02:56:15,287 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 02:56:15,321 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 02:56:15,345 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:56:15,346 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 02:56:15,356 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 02:56:15,391 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 02:56:15,399 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 02:56:15,430 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:56:15,431 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 02:56:15,493 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 02:56:16,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 02:56:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:16,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-03 02:56:16,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:16,748 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-03 02:56:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:18,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-03 02:56:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:18,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-03 02:56:18,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 02:56:19,301 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 02:56:19,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-03 02:56:19,349 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:56:19,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-03 02:56:19,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-03 02:56:19,595 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-03 02:56:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,620 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:56:19,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-03 02:56:19,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,653 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:56:19,653 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 4 case distinctions, treesize of input 70 treesize of output 38 [2022-11-03 02:56:19,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,679 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:56:19,679 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 4 case distinctions, treesize of input 64 treesize of output 32 [2022-11-03 02:56:19,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,799 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:56:19,799 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 4 case distinctions, treesize of input 70 treesize of output 38 [2022-11-03 02:56:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,821 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:56:19,821 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 4 case distinctions, treesize of input 64 treesize of output 32 [2022-11-03 02:56:19,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-03 02:56:19,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-03 02:56:19,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:19,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:19,951 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:56:19,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-03 02:56:38,449 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 47 for LOIs [2022-11-03 02:56:38,472 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 02:56:38,488 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 02:56:38,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:38,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:38,562 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:56:38,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-03 02:56:38,572 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 02:56:38,581 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 02:56:38,634 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 02:56:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:38,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:38,652 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:56:38,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-03 02:56:38,671 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 02:56:38,876 INFO L356 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-03 02:56:38,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 180 treesize of output 197 [2022-11-03 02:56:39,567 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2827 for LOIs [2022-11-03 02:56:42,751 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-11-03 02:56:43,031 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-11-03 02:56:43,054 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2873 for LOIs [2022-11-03 02:58:29,591 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2871 for LOIs [2022-11-03 02:58:36,743 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-03 02:58:36,746 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 88 for LOIs [2022-11-03 02:58:36,896 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 82 for LOIs [2022-11-03 02:58:36,909 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:06:21,359 WARN L234 SmtUtils]: Spent 7.72m on a formula simplification. DAG size of input: 2822 DAG size of output: 2436 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)