./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:59:11,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:59:11,769 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:59:11,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:59:11,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:59:11,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:59:11,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:59:11,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:59:11,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:59:11,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:59:11,805 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:59:11,806 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:59:11,806 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:59:11,807 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:59:11,807 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:59:11,808 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:59:11,809 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:59:11,809 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:59:11,810 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:59:11,811 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:59:11,811 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:59:11,812 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:59:11,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:59:11,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:59:11,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:59:11,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:59:11,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:59:11,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:59:11,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:59:11,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:59:11,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:59:11,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:59:11,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:59:11,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:59:11,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:11,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:59:11,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:59:11,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:59:11,821 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:59:11,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:59:11,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:59:11,823 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:59:11,823 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:59:11,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:59:11,824 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2023-11-24 23:59:12,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:59:12,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:59:12,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:59:12,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:59:12,149 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:59:12,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2023-11-24 23:59:15,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:59:15,748 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:59:15,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2023-11-24 23:59:15,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/data/bcc69c902/982c5bb1fe6049fc9fa12f5ef04e1449/FLAG1a8d1b0d7 [2023-11-24 23:59:15,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/data/bcc69c902/982c5bb1fe6049fc9fa12f5ef04e1449 [2023-11-24 23:59:15,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:59:15,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:59:15,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:15,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:59:15,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:59:15,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:15" (1/1) ... [2023-11-24 23:59:15,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7303e02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:15, skipping insertion in model container [2023-11-24 23:59:15,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:15" (1/1) ... [2023-11-24 23:59:15,962 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:59:16,259 WARN L240 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_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2023-11-24 23:59:16,268 WARN L240 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_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2023-11-24 23:59:17,419 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,420 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,421 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,422 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,423 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,438 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,439 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,441 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,442 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,444 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,445 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,446 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,446 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:17,888 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:59:17,889 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:59:17,891 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:59:17,892 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:59:17,894 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:59:17,895 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:59:17,895 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:59:17,896 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:59:17,897 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:59:17,898 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:59:18,087 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,111 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:18,230 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:59:18,244 WARN L240 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_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2023-11-24 23:59:18,245 WARN L240 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_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2023-11-24 23:59:18,305 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,306 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,307 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,308 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,309 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,323 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,324 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,324 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,326 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,326 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,328 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,328 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,384 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:59:18,385 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:59:18,386 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:59:18,387 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:59:18,388 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:59:18,389 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:59:18,389 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:59:18,390 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:59:18,391 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:59:18,391 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:59:18,418 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,423 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:59:18,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7747-7758] [2023-11-24 23:59:18,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:18,748 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,748 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,749 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,750 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,750 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,750 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,752 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,753 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,753 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,753 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,753 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,753 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,753 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,754 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,754 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:18,761 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:59:18,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18 WrapperNode [2023-11-24 23:59:18,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:18,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:18,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:59:18,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:59:18,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:18,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:18,966 INFO L138 Inliner]: procedures = 689, calls = 1688, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 618 [2023-11-24 23:59:18,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:18,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:59:18,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:59:18,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:59:18,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:18,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:19,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:19,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:19,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:19,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:19,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:19,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:19,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:59:19,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:59:19,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:59:19,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:59:19,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (1/1) ... [2023-11-24 23:59:19,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:19,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:19,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:59:19,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:59:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:59:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-24 23:59:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-24 23:59:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-24 23:59:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-24 23:59:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-24 23:59:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-24 23:59:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:59:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-24 23:59:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-24 23:59:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:59:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:59:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:59:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-24 23:59:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-24 23:59:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-24 23:59:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-24 23:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-24 23:59:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-24 23:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:59:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:59:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:59:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-24 23:59:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-24 23:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-24 23:59:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-24 23:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-24 23:59:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-24 23:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:59:19,559 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:59:19,561 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:59:20,550 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:59:20,800 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:59:20,801 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:59:20,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:20 BoogieIcfgContainer [2023-11-24 23:59:20,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:59:20,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:59:20,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:59:20,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:59:20,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:59:15" (1/3) ... [2023-11-24 23:59:20,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7728261d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:20, skipping insertion in model container [2023-11-24 23:59:20,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:18" (2/3) ... [2023-11-24 23:59:20,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7728261d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:20, skipping insertion in model container [2023-11-24 23:59:20,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:20" (3/3) ... [2023-11-24 23:59:20,815 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2023-11-24 23:59:20,834 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:59:20,835 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:59:20,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:59:20,909 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=LoopHeads, 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;@5e918d00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:59:20,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:59:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-24 23:59:20,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 23:59:20,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:20,932 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:20,933 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:20,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:20,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1738805365, now seen corresponding path program 1 times [2023-11-24 23:59:20,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:20,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400285223] [2023-11-24 23:59:20,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:20,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:21,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:59:21,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400285223] [2023-11-24 23:59:21,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-24 23:59:21,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547496760] [2023-11-24 23:59:21,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:21,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:59:21,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:21,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:59:21,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:59:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:22,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 2035 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:59:22,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 23:59:22,359 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:22,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547496760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:22,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:22,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:59:22,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867207509] [2023-11-24 23:59:22,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:22,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:59:22,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:59:22,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:59:22,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:59:22,400 INFO L87 Difference]: Start difference. First operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-24 23:59:22,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:22,796 INFO L93 Difference]: Finished difference Result 169 states and 229 transitions. [2023-11-24 23:59:22,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:59:22,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 58 [2023-11-24 23:59:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:22,810 INFO L225 Difference]: With dead ends: 169 [2023-11-24 23:59:22,810 INFO L226 Difference]: Without dead ends: 99 [2023-11-24 23:59:22,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:59:22,817 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 26 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:22,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 355 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-24 23:59:22,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-24 23:59:22,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-24 23:59:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 56 states have internal predecessors, (63), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2023-11-24 23:59:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 126 transitions. [2023-11-24 23:59:22,871 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 126 transitions. Word has length 58 [2023-11-24 23:59:22,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:22,872 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 126 transitions. [2023-11-24 23:59:22,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-24 23:59:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2023-11-24 23:59:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 23:59:22,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:22,877 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-24 23:59:22,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:59:23,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:59:23,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:23,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:23,088 INFO L85 PathProgramCache]: Analyzing trace with hash 802804190, now seen corresponding path program 1 times [2023-11-24 23:59:23,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:23,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145049611] [2023-11-24 23:59:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:23,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:23,240 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:59:23,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1982362834] [2023-11-24 23:59:23,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:23,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:59:23,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:23,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:59:23,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 23:59:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:23,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 2167 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:59:23,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 23:59:23,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:23,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:59:23,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145049611] [2023-11-24 23:59:23,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:59:23,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982362834] [2023-11-24 23:59:23,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982362834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:23,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:23,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 23:59:23,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962488831] [2023-11-24 23:59:23,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:23,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:59:23,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:59:23,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:59:23,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:59:23,874 INFO L87 Difference]: Start difference. First operand 99 states and 126 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-24 23:59:24,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:24,387 INFO L93 Difference]: Finished difference Result 156 states and 196 transitions. [2023-11-24 23:59:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:59:24,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 67 [2023-11-24 23:59:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:24,392 INFO L225 Difference]: With dead ends: 156 [2023-11-24 23:59:24,394 INFO L226 Difference]: Without dead ends: 97 [2023-11-24 23:59:24,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:59:24,401 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 24 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:24,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 443 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-24 23:59:24,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-24 23:59:24,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-24 23:59:24,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 53 states have (on average 1.150943396226415) internal successors, (61), 54 states have internal predecessors, (61), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-24 23:59:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2023-11-24 23:59:24,427 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 67 [2023-11-24 23:59:24,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:24,428 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2023-11-24 23:59:24,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-24 23:59:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2023-11-24 23:59:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-24 23:59:24,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:24,439 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:24,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:59:24,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:59:24,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:24,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:24,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1043020846, now seen corresponding path program 1 times [2023-11-24 23:59:24,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:24,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652772310] [2023-11-24 23:59:24,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:24,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:59:24,782 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:59:24,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004985785] [2023-11-24 23:59:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:24,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:59:24,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:24,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:59:24,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5de17d-cb59-4a06-9273-1f5ae9d49f81/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 23:59:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:25,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 2431 conjuncts, 292 conjunts are in the unsatisfiable core [2023-11-24 23:59:25,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:25,741 INFO L378 Elim1Store]: Elim1 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 [2023-11-24 23:59:26,773 INFO L378 Elim1Store]: Elim1 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 [2023-11-24 23:59:26,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:59:26,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:59:28,090 INFO L349 Elim1Store]: treesize reduction 38, result has 11.6 percent of original size [2023-11-24 23:59:28,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 119 treesize of output 137 [2023-11-24 23:59:28,285 INFO L349 Elim1Store]: treesize reduction 146, result has 31.5 percent of original size [2023-11-24 23:59:28,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 111 treesize of output 186 [2023-11-24 23:59:28,353 INFO L349 Elim1Store]: treesize reduction 38, result has 11.6 percent of original size [2023-11-24 23:59:28,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 99 [2023-11-24 23:59:28,423 INFO L349 Elim1Store]: treesize reduction 38, result has 11.6 percent of original size [2023-11-24 23:59:28,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 89 [2023-11-24 23:59:29,718 INFO L349 Elim1Store]: treesize reduction 37, result has 11.9 percent of original size [2023-11-24 23:59:29,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 25 [2023-11-24 23:59:29,866 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:59:29,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2023-11-24 23:59:30,416 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-24 23:59:30,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 5 [2023-11-24 23:59:30,678 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:59:30,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2023-11-24 23:59:31,412 INFO L349 Elim1Store]: treesize reduction 108, result has 28.5 percent of original size [2023-11-24 23:59:31,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 102 [2023-11-24 23:59:32,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:59:32,051 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-24 23:59:32,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 16 [2023-11-24 23:59:32,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:32,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:32,231 INFO L349 Elim1Store]: treesize reduction 225, result has 7.4 percent of original size [2023-11-24 23:59:32,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 93 treesize of output 123 [2023-11-24 23:59:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:32,396 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:59:32,416 INFO L349 Elim1Store]: treesize reduction 77, result has 1.3 percent of original size [2023-11-24 23:59:32,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 21 [2023-11-24 23:59:32,663 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:59:32,671 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-11-24 23:59:32,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 11 [2023-11-24 23:59:33,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:59:33,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2023-11-24 23:59:33,463 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-24 23:59:33,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 5 [2023-11-24 23:59:57,372 WARN L293 SmtUtils]: Spent 8.70s on a formula simplification. DAG size of input: 1591 DAG size of output: 235 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-24 23:59:57,372 INFO L349 Elim1Store]: treesize reduction 2920, result has 13.0 percent of original size [2023-11-24 23:59:57,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 0 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 377 case distinctions, treesize of input 1747 treesize of output 2017