./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/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_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/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_2dbb6f56-abd9-452c-9573-d799215da0a1/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 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb --- 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 03:54:49,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:54:49,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:54:49,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:54:49,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:54:49,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:54:49,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:54:49,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:54:49,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:54:49,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:54:49,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:54:49,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:54:49,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:54:49,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:54:49,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:54:49,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:54:49,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:54:49,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:54:49,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:54:49,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:54:49,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:54:49,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:54:49,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:54:49,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:54:49,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:54:49,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:54:49,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:54:49,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:54:49,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:54:49,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:54:49,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:54:49,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:54:49,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:54:49,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:54:49,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:54:49,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:54:49,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:54:49,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:54:49,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:54:49,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:54:49,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:54:49,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:54:49,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:54:49,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:54:49,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:54:49,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:54:49,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:54:49,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:54:49,805 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:54:49,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:54:49,806 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:54:49,806 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:54:49,807 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:54:49,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:54:49,808 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:54:49,808 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:54:49,808 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:54:49,808 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:54:49,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:54:49,809 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:54:49,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:54:49,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:54:49,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:54:49,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:54:49,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:54:49,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:54:49,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:54:49,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:54:49,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:54:49,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:54:49,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:54:49,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:54:49,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:54:49,814 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:54:49,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:54:49,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:54:49,814 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:54:49,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:54:49,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:54:49,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:54:49,815 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_2dbb6f56-abd9-452c-9573-d799215da0a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb [2022-11-03 03:54:50,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:54:50,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:54:50,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:54:50,155 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:54:50,155 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:54:50,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-11-03 03:54:50,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/data/dee9dbb78/009e4aa3f671455cb5fb2015d09f9f6e/FLAGcc50a58eb [2022-11-03 03:54:51,086 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:54:51,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-11-03 03:54:51,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/data/dee9dbb78/009e4aa3f671455cb5fb2015d09f9f6e/FLAGcc50a58eb [2022-11-03 03:54:51,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/data/dee9dbb78/009e4aa3f671455cb5fb2015d09f9f6e [2022-11-03 03:54:51,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:54:51,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:54:51,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:54:51,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:54:51,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:54:51,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:51" (1/1) ... [2022-11-03 03:54:51,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db4232e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:51, skipping insertion in model container [2022-11-03 03:54:51,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:51" (1/1) ... [2022-11-03 03:54:51,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:54:51,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:54:52,025 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_2dbb6f56-abd9-452c-9573-d799215da0a1/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-11-03 03:54:52,033 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_2dbb6f56-abd9-452c-9573-d799215da0a1/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-11-03 03:54:52,775 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:54:52,846 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,847 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,847 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,848 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,849 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,863 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,863 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,872 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,873 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,876 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,877 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,878 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:52,880 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,228 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:54:53,230 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:54:53,231 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:54:53,232 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:54:53,233 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:54:53,234 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:54:53,235 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:54:53,236 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:54:53,236 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:54:53,237 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:54:53,366 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,373 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,421 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,422 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:54:53,451 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:54:53,465 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_2dbb6f56-abd9-452c-9573-d799215da0a1/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-11-03 03:54:53,473 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_2dbb6f56-abd9-452c-9573-d799215da0a1/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-11-03 03:54:53,530 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:54:53,560 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,561 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,562 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,562 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,564 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,579 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,579 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,582 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,582 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,585 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,586 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,586 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,587 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,726 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:54:53,727 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:54:53,728 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:54:53,729 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:54:53,730 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:54:53,731 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:54:53,738 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:54:53,739 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:54:53,739 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:54:53,740 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:54:53,798 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,805 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,845 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,846 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:54:53,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:54:54,085 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:54:54,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54 WrapperNode [2022-11-03 03:54:54,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:54:54,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:54:54,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:54:54,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:54:54,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,273 INFO L138 Inliner]: procedures = 691, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 655 [2022-11-03 03:54:54,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:54:54,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:54:54,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:54:54,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:54:54,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,328 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:54:54,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:54:54,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:54:54,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:54:54,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (1/1) ... [2022-11-03 03:54:54,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:54:54,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:54:54,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:54:54,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:54:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:54:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-03 03:54:54,484 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-03 03:54:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 03:54:54,484 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 03:54:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 03:54:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 03:54:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:54:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 03:54:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 03:54:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:54:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:54:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:54:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:54:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:54:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 03:54:54,488 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 03:54:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:54:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:54:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:54:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:54:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 03:54:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 03:54:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 03:54:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 03:54:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-03 03:54:54,491 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-03 03:54:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-03 03:54:54,491 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-03 03:54:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:54:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:54:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 03:54:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 03:54:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:54:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:54:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:54:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 03:54:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 03:54:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 03:54:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 03:54:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:54:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-03 03:54:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-03 03:54:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:54:54,876 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:54:54,879 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:54:55,873 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:54:56,071 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:54:56,071 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:54:56,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:56 BoogieIcfgContainer [2022-11-03 03:54:56,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:54:56,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:54:56,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:54:56,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:54:56,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:54:51" (1/3) ... [2022-11-03 03:54:56,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709d737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:56, skipping insertion in model container [2022-11-03 03:54:56,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:54" (2/3) ... [2022-11-03 03:54:56,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709d737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:56, skipping insertion in model container [2022-11-03 03:54:56,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:56" (3/3) ... [2022-11-03 03:54:56,093 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2022-11-03 03:54:56,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:54:56,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:54:56,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:54:56,215 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;@5955ef0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:54:56,215 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:54:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 78 states have internal predecessors, (91), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-03 03:54:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:54:56,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:54:56,235 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-03 03:54:56,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:54:56,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:54:56,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1567106202, now seen corresponding path program 1 times [2022-11-03 03:54:56,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:54:56,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991958864] [2022-11-03 03:54:56,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:56,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:54:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:54:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-03 03:54:57,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:54:57,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991958864] [2022-11-03 03:54:57,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991958864] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:54:57,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269855113] [2022-11-03 03:54:57,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:57,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:54:57,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:54:57,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:54:57,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:54:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:54:58,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 2220 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:54:58,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:54:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-03 03:54:58,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:54:58,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269855113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:54:58,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:54:58,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-03 03:54:58,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834626103] [2022-11-03 03:54:58,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:54:58,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:54:58,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:54:58,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:54:58,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:54:58,205 INFO L87 Difference]: Start difference. First operand has 147 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 78 states have internal predecessors, (91), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 03:54:59,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:54:59,388 INFO L93 Difference]: Finished difference Result 271 states and 380 transitions. [2022-11-03 03:54:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:54:59,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 95 [2022-11-03 03:54:59,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:54:59,400 INFO L225 Difference]: With dead ends: 271 [2022-11-03 03:54:59,401 INFO L226 Difference]: Without dead ends: 143 [2022-11-03 03:54:59,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:54:59,407 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 38 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:54:59,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 548 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-03 03:54:59,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-03 03:54:59,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-03 03:54:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (55), 50 states have call predecessors, (55), 50 states have call successors, (55) [2022-11-03 03:54:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 191 transitions. [2022-11-03 03:54:59,462 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 191 transitions. Word has length 95 [2022-11-03 03:54:59,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:54:59,462 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 191 transitions. [2022-11-03 03:54:59,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 03:54:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2022-11-03 03:54:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-03 03:54:59,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:54:59,467 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-03 03:54:59,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:54:59,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 03:54:59,686 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:54:59,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:54:59,687 INFO L85 PathProgramCache]: Analyzing trace with hash 23579164, now seen corresponding path program 1 times [2022-11-03 03:54:59,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:54:59,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979853229] [2022-11-03 03:54:59,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:59,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:54:59,794 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:54:59,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554763029] [2022-11-03 03:54:59,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:59,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:54:59,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:54:59,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:54:59,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:55:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:00,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 2484 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:55:00,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:55:00,521 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-03 03:55:00,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:55:00,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:00,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979853229] [2022-11-03 03:55:00,521 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:55:00,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554763029] [2022-11-03 03:55:00,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554763029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:00,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:00,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:55:00,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461590281] [2022-11-03 03:55:00,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:00,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:55:00,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:00,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:55:00,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:55:00,524 INFO L87 Difference]: Start difference. First operand 143 states and 191 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-03 03:55:01,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:01,558 INFO L93 Difference]: Finished difference Result 232 states and 309 transitions. [2022-11-03 03:55:01,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:55:01,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 113 [2022-11-03 03:55:01,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:01,562 INFO L225 Difference]: With dead ends: 232 [2022-11-03 03:55:01,564 INFO L226 Difference]: Without dead ends: 143 [2022-11-03 03:55:01,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 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 03:55:01,568 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 50 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:01,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 619 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 03:55:01,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-03 03:55:01,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-03 03:55:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 50 states have call predecessors, (52), 50 states have call successors, (52) [2022-11-03 03:55:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 188 transitions. [2022-11-03 03:55:01,596 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 188 transitions. Word has length 113 [2022-11-03 03:55:01,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:01,598 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 188 transitions. [2022-11-03 03:55:01,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-03 03:55:01,599 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2022-11-03 03:55:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-03 03:55:01,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:01,608 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-03 03:55:01,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:55:01,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:55:01,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:01,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:01,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1573107243, now seen corresponding path program 2 times [2022-11-03 03:55:01,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:01,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744131444] [2022-11-03 03:55:01,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:01,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:01,924 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:55:01,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632389323] [2022-11-03 03:55:01,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 03:55:01,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:55:01,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:55:01,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:55:01,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:55:02,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 03:55:02,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:55:02,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 03:55:02,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:55:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-03 03:55:02,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:55:02,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:02,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744131444] [2022-11-03 03:55:02,833 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:55:02,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632389323] [2022-11-03 03:55:02,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632389323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:02,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:02,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:55:02,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222993690] [2022-11-03 03:55:02,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:02,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:55:02,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:02,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:55:02,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:55:02,837 INFO L87 Difference]: Start difference. First operand 143 states and 188 transitions. Second operand has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 03:55:03,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:03,686 INFO L93 Difference]: Finished difference Result 223 states and 290 transitions. [2022-11-03 03:55:03,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:55:03,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 122 [2022-11-03 03:55:03,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:03,699 INFO L225 Difference]: With dead ends: 223 [2022-11-03 03:55:03,700 INFO L226 Difference]: Without dead ends: 143 [2022-11-03 03:55:03,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 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 03:55:03,701 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:03,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 579 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 03:55:03,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-03 03:55:03,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-03 03:55:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (51), 50 states have call predecessors, (51), 50 states have call successors, (51) [2022-11-03 03:55:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2022-11-03 03:55:03,733 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 122 [2022-11-03 03:55:03,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:03,735 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2022-11-03 03:55:03,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 03:55:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2022-11-03 03:55:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-03 03:55:03,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:03,739 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-03 03:55:03,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 03:55:03,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:55:03,961 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:03,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:03,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1564050084, now seen corresponding path program 3 times [2022-11-03 03:55:03,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:03,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342969639] [2022-11-03 03:55:03,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:03,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:04,081 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:55:04,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212871254] [2022-11-03 03:55:04,082 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 03:55:04,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:55:04,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:55:04,084 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:55:04,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:55:04,726 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 03:55:04,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:55:04,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 2748 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 03:55:04,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:55:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-03 03:55:04,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:55:04,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:04,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342969639] [2022-11-03 03:55:04,859 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:55:04,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212871254] [2022-11-03 03:55:04,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212871254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:55:04,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:55:04,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:55:04,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420703693] [2022-11-03 03:55:04,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:55:04,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:55:04,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:55:04,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:55:04,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:55:04,861 INFO L87 Difference]: Start difference. First operand 143 states and 187 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-03 03:55:06,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:55:06,776 INFO L93 Difference]: Finished difference Result 220 states and 283 transitions. [2022-11-03 03:55:06,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:55:06,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 131 [2022-11-03 03:55:06,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:55:06,781 INFO L225 Difference]: With dead ends: 220 [2022-11-03 03:55:06,781 INFO L226 Difference]: Without dead ends: 141 [2022-11-03 03:55:06,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 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 03:55:06,782 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 53 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:55:06,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 869 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 03:55:06,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-03 03:55:06,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-11-03 03:55:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 73 states have (on average 1.1232876712328768) internal successors, (82), 74 states have internal predecessors, (82), 52 states have call successors, (52), 16 states have call predecessors, (52), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-11-03 03:55:06,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2022-11-03 03:55:06,801 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 184 transitions. Word has length 131 [2022-11-03 03:55:06,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:55:06,802 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 184 transitions. [2022-11-03 03:55:06,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-03 03:55:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2022-11-03 03:55:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-03 03:55:06,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:55:06,808 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-03 03:55:06,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:55:07,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:55:07,019 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:55:07,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:55:07,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1367744773, now seen corresponding path program 1 times [2022-11-03 03:55:07,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:55:07,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520511484] [2022-11-03 03:55:07,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:07,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:55:07,126 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:55:07,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273872757] [2022-11-03 03:55:07,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:55:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:55:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:55:07,128 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:55:07,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbb6f56-abd9-452c-9573-d799215da0a1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:55:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:07,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 2880 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-03 03:55:07,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:55:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-03 03:55:08,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:55:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-03 03:55:08,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:08,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520511484] [2022-11-03 03:55:08,626 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:55:08,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273872757] [2022-11-03 03:55:08,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273872757] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:55:08,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [757022877] [2022-11-03 03:55:08,662 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-03 03:55:08,663 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:55:08,667 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:55:08,672 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:55:08,673 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:55:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:13,286 INFO L244 Elim1Store]: Index analysis took 491 ms [2022-11-03 03:55:59,215 WARN L234 SmtUtils]: Spent 45.82s 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 03:55:59,223 INFO L356 Elim1Store]: treesize reduction 3492, result has 33.3 percent of original size [2022-11-03 03:55:59,228 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 03:56:02,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:56:02,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:56:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:56:02,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19504 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 992 treesize of output 1582 [2022-11-03 03:57:08,931 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 03:57:08,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:08,938 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 03:57:08,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:08,948 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 03:57:08,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:08,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:08,959 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 03:57:13,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,310 INFO L244 Elim1Store]: Index analysis took 167 ms [2022-11-03 03:57:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:13,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:13,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:13,441 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 03:57:13,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17055 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 03:57:14,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,265 INFO L244 Elim1Store]: Index analysis took 175 ms [2022-11-03 03:57:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,405 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-03 03:57:14,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17055 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 03:57:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:14,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:15,011 INFO L244 Elim1Store]: Index analysis took 131 ms [2022-11-03 03:57:15,018 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 03:57:15,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:15,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:15,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:15,515 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 03:57:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:16,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:16,375 INFO L244 Elim1Store]: Index analysis took 138 ms [2022-11-03 03:57:16,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19506 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-03 03:57:26,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:26,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:26,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:26,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:26,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,084 INFO L244 Elim1Store]: Index analysis took 174 ms [2022-11-03 03:57:27,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:27,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:27,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,216 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-03 03:57:27,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17055 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 03:57:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:27,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:28,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:28,069 INFO L244 Elim1Store]: Index analysis took 112 ms [2022-11-03 03:57:28,111 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 03:57:28,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:28,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:28,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19506 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-03 03:57:29,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,401 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 03:57:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:29,903 INFO L244 Elim1Store]: Index analysis took 132 ms [2022-11-03 03:57:29,910 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 03:57:31,210 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 03:57:31,221 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 03:57:31,261 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 03:57:31,270 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 03:57:31,316 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 03:57:31,326 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 03:57:31,339 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 03:57:31,348 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 03:57:31,404 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 03:57:31,440 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:57:31,440 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 03:57:31,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:57:31,509 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 03:57:31,519 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 03:57:31,566 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:57:31,567 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 03:57:31,747 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 03:57:32,629 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 03:57:32,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:32,720 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 03:57:32,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:32,779 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 03:57:34,090 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 03:57:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:34,172 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 03:57:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:34,233 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 03:57:35,767 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 03:57:35,768 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 03:57:35,833 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 03:57:35,833 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 03:57:36,140 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 03:57:36,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,184 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 03:57:36,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-03 03:57:36,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,220 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 03:57:36,220 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 36 treesize of output 10 [2022-11-03 03:57:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,259 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 03:57:36,259 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-03 03:57:36,280 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 03:57:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,526 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 03:57:36,527 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 36 treesize of output 10 [2022-11-03 03:57:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,559 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 03:57:36,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-03 03:57:36,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:36,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:57:36,594 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 03:57:36,595 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 36 treesize of output 10 [2022-11-03 03:57:36,609 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 03:57:36,624 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 03:57:58,960 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-11-03 03:57:58,993 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 03:57:59,008 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 03:57:59,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:59,181 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:57:59,181 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 03:57:59,193 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 03:57:59,213 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 03:57:59,331 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 03:57:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:57:59,369 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:57:59,369 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 03:57:59,389 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 03:57:59,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 03:57:59,652 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2826 for LOIs [2022-11-03 03:58:03,445 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-11-03 03:58:03,770 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-11-03 03:58:03,801 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2873 for LOIs [2022-11-03 03:59:49,008 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2871 for LOIs [2022-11-03 03:59:56,434 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-03 03:59:56,438 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 70 for LOIs [2022-11-03 03:59:56,566 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 64 for LOIs [2022-11-03 03:59:56,582 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:05:41,560 WARN L234 SmtUtils]: Spent 5.73m 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)