./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW --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 bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- 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-4e7fbc6 [2022-11-23 14:49:56,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:49:56,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:49:56,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:49:56,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:49:56,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:49:56,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:49:56,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:49:56,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:49:56,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:49:56,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:49:56,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:49:56,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:49:56,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:49:56,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:49:56,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:49:56,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:49:56,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:49:56,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:49:56,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:49:56,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:49:56,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:49:56,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:49:56,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:49:56,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:49:56,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:49:56,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:49:56,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:49:56,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:49:56,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:49:56,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:49:56,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:49:56,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:49:56,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:49:56,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:49:56,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:49:56,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:49:56,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:49:56,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:49:56,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:49:56,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:49:56,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:49:56,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:49:56,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:49:56,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:49:56,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:49:56,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:49:56,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:49:56,692 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:49:56,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:49:56,693 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:49:56,693 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:49:56,695 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:49:56,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:49:56,695 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:49:56,696 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:49:56,696 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:49:56,696 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:49:56,697 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:49:56,697 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:49:56,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:49:56,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:49:56,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:49:56,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:49:56,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:49:56,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:49:56,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:49:56,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:49:56,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:49:56,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:49:56,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:49:56,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:49:56,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:49:56,703 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:49:56,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:49:56,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:49:56,704 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:49:56,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:49:56,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:49:56,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:49:56,705 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_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2022-11-23 14:49:56,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:49:57,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:49:57,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:49:57,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:49:57,030 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:49:57,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-11-23 14:50:00,127 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:50:00,738 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:50:00,739 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-11-23 14:50:00,792 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/data/a984c60c6/f34822740d9f4673996b6b1433a95489/FLAG347ec81b6 [2022-11-23 14:50:00,814 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/data/a984c60c6/f34822740d9f4673996b6b1433a95489 [2022-11-23 14:50:00,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:50:00,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:50:00,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:50:00,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:50:00,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:50:00,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:00" (1/1) ... [2022-11-23 14:50:00,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c21c0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:00, skipping insertion in model container [2022-11-23 14:50:00,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:00" (1/1) ... [2022-11-23 14:50:00,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:50:00,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:50:01,228 WARN L237 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_c219d599-2a8d-4085-ba3c-1c0484672c45/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2022-11-23 14:50:01,240 WARN L237 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_c219d599-2a8d-4085-ba3c-1c0484672c45/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2022-11-23 14:50:02,272 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:02,273 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:02,278 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:02,279 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:02,283 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:02,300 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:02,301 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:02,303 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:02,304 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:02,732 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 14:50:02,734 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 14:50:02,735 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 14:50:02,736 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 14:50:02,738 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 14:50:02,739 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 14:50:02,740 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 14:50:02,741 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 14:50:02,741 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 14:50:02,742 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 14:50:02,933 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 14:50:03,075 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,075 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:50:03,273 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:50:03,288 WARN L237 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_c219d599-2a8d-4085-ba3c-1c0484672c45/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2022-11-23 14:50:03,289 WARN L237 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_c219d599-2a8d-4085-ba3c-1c0484672c45/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2022-11-23 14:50:03,325 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,326 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,326 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,327 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,328 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,335 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,336 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,337 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,337 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,395 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 14:50:03,397 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 14:50:03,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 14:50:03,400 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 14:50:03,401 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 14:50:03,401 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 14:50:03,402 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 14:50:03,402 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 14:50:03,403 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 14:50:03,403 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 14:50:03,430 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 14:50:03,531 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,532 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:50:03,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:50:03,895 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:50:03,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03 WrapperNode [2022-11-23 14:50:03,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:50:03,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:50:03,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:50:03,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:50:03,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,120 INFO L138 Inliner]: procedures = 693, calls = 2771, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 807 [2022-11-23 14:50:04,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:50:04,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:50:04,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:50:04,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:50:04,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,183 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:50:04,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:50:04,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:50:04,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:50:04,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (1/1) ... [2022-11-23 14:50:04,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:50:04,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:50:04,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:50:04,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:50:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-23 14:50:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-23 14:50:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-23 14:50:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-23 14:50:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:50:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-23 14:50:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-23 14:50:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:50:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:50:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:50:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:50:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:50:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:50:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:50:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:50:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-23 14:50:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-23 14:50:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:50:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2022-11-23 14:50:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2022-11-23 14:50:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-23 14:50:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-23 14:50:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:50:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:50:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-23 14:50:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-23 14:50:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:50:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:50:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:50:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:50:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-23 14:50:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-23 14:50:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-23 14:50:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-23 14:50:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:50:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:50:04,733 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:50:04,736 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:50:06,027 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:50:06,239 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:50:06,240 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:50:06,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:06 BoogieIcfgContainer [2022-11-23 14:50:06,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:50:06,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:50:06,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:50:06,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:50:06,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:50:00" (1/3) ... [2022-11-23 14:50:06,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f158b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:06, skipping insertion in model container [2022-11-23 14:50:06,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:03" (2/3) ... [2022-11-23 14:50:06,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f158b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:06, skipping insertion in model container [2022-11-23 14:50:06,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:06" (3/3) ... [2022-11-23 14:50:06,263 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2022-11-23 14:50:06,287 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:50:06,287 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:50:06,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:50:06,366 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;@41c4eb01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:50:06,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:50:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-23 14:50:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-23 14:50:06,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:06,388 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-23 14:50:06,388 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:06,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:06,397 INFO L85 PathProgramCache]: Analyzing trace with hash -230741819, now seen corresponding path program 1 times [2022-11-23 14:50:06,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:06,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410392308] [2022-11-23 14:50:06,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:06,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 14:50:08,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:08,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410392308] [2022-11-23 14:50:08,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410392308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:50:08,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:50:08,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:50:08,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521114600] [2022-11-23 14:50:08,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:50:08,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 14:50:08,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:50:08,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 14:50:08,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:50:08,429 INFO L87 Difference]: Start difference. First operand has 79 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-23 14:50:08,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:50:08,863 INFO L93 Difference]: Finished difference Result 103 states and 120 transitions. [2022-11-23 14:50:08,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 14:50:08,866 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 47 [2022-11-23 14:50:08,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:50:08,876 INFO L225 Difference]: With dead ends: 103 [2022-11-23 14:50:08,876 INFO L226 Difference]: Without dead ends: 73 [2022-11-23 14:50:08,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:50:08,883 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 24 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:50:08,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 500 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:50:08,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-23 14:50:08,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-23 14:50:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 14:50:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 84 transitions. [2022-11-23 14:50:08,961 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 84 transitions. Word has length 47 [2022-11-23 14:50:08,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:50:08,963 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 84 transitions. [2022-11-23 14:50:08,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-23 14:50:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-11-23 14:50:08,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 14:50:08,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:08,968 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:50:08,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:50:08,969 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:08,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:08,970 INFO L85 PathProgramCache]: Analyzing trace with hash -84561895, now seen corresponding path program 1 times [2022-11-23 14:50:08,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:08,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716083273] [2022-11-23 14:50:08,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 14:50:09,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:09,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716083273] [2022-11-23 14:50:09,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716083273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:50:09,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:50:09,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:50:09,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683471616] [2022-11-23 14:50:09,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:50:09,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:50:09,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:50:09,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:50:09,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:50:09,593 INFO L87 Difference]: Start difference. First operand 73 states and 84 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-23 14:50:09,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:50:09,784 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2022-11-23 14:50:09,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:50:09,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 68 [2022-11-23 14:50:09,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:50:09,787 INFO L225 Difference]: With dead ends: 119 [2022-11-23 14:50:09,788 INFO L226 Difference]: Without dead ends: 73 [2022-11-23 14:50:09,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:50:09,791 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 3 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:50:09,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 189 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:50:09,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-23 14:50:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-23 14:50:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 states have internal predecessors, (44), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 14:50:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2022-11-23 14:50:09,808 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 68 [2022-11-23 14:50:09,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:50:09,809 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2022-11-23 14:50:09,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-23 14:50:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-11-23 14:50:09,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 14:50:09,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:09,812 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-23 14:50:09,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:50:09,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:09,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:09,813 INFO L85 PathProgramCache]: Analyzing trace with hash 795240198, now seen corresponding path program 1 times [2022-11-23 14:50:09,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:09,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481818657] [2022-11-23 14:50:09,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:09,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 14:50:12,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:12,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481818657] [2022-11-23 14:50:12,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481818657] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:50:12,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599123984] [2022-11-23 14:50:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:12,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:50:12,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:50:12,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:50:12,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:50:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:13,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-23 14:50:13,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:50:13,888 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:50:13,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2022-11-23 14:50:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 14:50:14,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:50:14,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599123984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:50:14,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:50:14,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [10] total 24 [2022-11-23 14:50:14,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023416936] [2022-11-23 14:50:14,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:50:14,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-23 14:50:14,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:50:14,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 14:50:14,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=504, Unknown=0, NotChecked=0, Total=552 [2022-11-23 14:50:14,275 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-23 14:50:15,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:50:15,420 INFO L93 Difference]: Finished difference Result 97 states and 109 transitions. [2022-11-23 14:50:15,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 14:50:15,422 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) Word has length 72 [2022-11-23 14:50:15,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:50:15,424 INFO L225 Difference]: With dead ends: 97 [2022-11-23 14:50:15,424 INFO L226 Difference]: Without dead ends: 74 [2022-11-23 14:50:15,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2022-11-23 14:50:15,426 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 11 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:50:15,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 838 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 14:50:15,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-23 14:50:15,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-23 14:50:15,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 42 states have internal predecessors, (45), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 14:50:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2022-11-23 14:50:15,440 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 72 [2022-11-23 14:50:15,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:50:15,440 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2022-11-23 14:50:15,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-23 14:50:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2022-11-23 14:50:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-23 14:50:15,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:15,443 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-23 14:50:15,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:50:15,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:50:15,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:15,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:15,655 INFO L85 PathProgramCache]: Analyzing trace with hash -765914800, now seen corresponding path program 1 times [2022-11-23 14:50:15,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:15,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907311255] [2022-11-23 14:50:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:15,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:17,612 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 14:50:17,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:17,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907311255] [2022-11-23 14:50:17,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907311255] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:50:17,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432452711] [2022-11-23 14:50:17,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:17,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:50:17,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:50:17,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:50:17,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c219d599-2a8d-4085-ba3c-1c0484672c45/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:50:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:18,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 2664 conjuncts, 194 conjunts are in the unsatisfiable core [2022-11-23 14:50:18,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:50:18,999 INFO L350 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 65 treesize of output 60 [2022-11-23 14:50:19,043 INFO L321 Elim1Store]: treesize reduction 15, result has 53.1 percent of original size [2022-11-23 14:50:19,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 124 [2022-11-23 14:50:19,161 INFO L321 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2022-11-23 14:50:19,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 174 treesize of output 91 [2022-11-23 14:50:24,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:50:24,266 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 14:50:24,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 26 [2022-11-23 14:50:24,488 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-23 14:50:25,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:50:25,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 14:50:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:50:26,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:50:27,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432452711] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:50:27,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1870453913] [2022-11-23 14:50:27,230 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-23 14:50:27,231 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:50:27,234 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:50:27,238 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:50:27,239 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:50:31,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:31,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:31,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:31,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:31,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:31,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-11-23 14:50:32,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:32,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:32,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:32,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:32,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:32,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-11-23 14:50:34,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:34,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:35,189 INFO L217 Elim1Store]: Index analysis took 844 ms [2022-11-23 14:50:35,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 309 select indices, 309 select index equivalence classes, 33694 disjoint index pairs (out of 47586 index pairs), introduced 309 new quantified variables, introduced 0 case distinctions, treesize of input 2781 treesize of output 3693 [2022-11-23 14:50:38,097 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:50:42,772 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-23 14:50:42,779 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 14:50:42,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:42,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:42,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-23 14:50:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:42,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:42,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-23 14:50:42,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:42,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:42,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-23 14:50:42,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:43,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:43,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 14:50:45,671 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:50:52,601 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:50:57,040 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_string_is_allocated_bounded_length with input of size 3307 for LOIs [2022-11-23 14:52:30,230 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3292 for LOIs [2022-11-23 14:52:34,005 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 3316 for LOIs [2022-11-23 14:53:15,103 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3384 for LOIs [2022-11-23 14:53:50,513 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:55:04,764 WARN L233 SmtUtils]: Spent 1.17m on a formula simplification that was a NOOP. DAG size: 3292 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:56:21,724 WARN L233 SmtUtils]: Spent 1.22m on a formula simplification that was a NOOP. DAG size: 3307 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:57:38,778 WARN L233 SmtUtils]: Spent 1.21m on a formula simplification that was a NOOP. DAG size: 3309 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)