./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/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_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-5e519f3 [2022-11-03 02:53:24,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:53:24,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:53:24,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:53:24,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:53:24,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:53:24,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:53:24,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:53:24,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:53:24,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:53:24,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:53:24,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:53:24,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:53:24,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:53:24,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:53:24,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:53:24,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:53:24,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:53:24,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:53:24,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:53:24,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:53:24,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:53:24,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:53:24,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:53:24,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:53:24,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:53:24,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:53:24,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:53:24,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:53:24,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:53:24,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:53:24,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:53:24,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:53:24,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:53:24,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:53:24,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:53:24,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:53:24,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:53:24,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:53:24,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:53:24,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:53:24,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:53:24,554 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:53:24,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:53:24,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:53:24,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:53:24,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:53:24,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:53:24,561 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:53:24,561 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:53:24,561 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:53:24,561 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:53:24,562 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:53:24,562 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:53:24,562 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:53:24,562 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:53:24,563 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:53:24,563 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:53:24,563 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:53:24,564 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:53:24,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:53:24,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:53:24,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:53:24,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:53:24,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:53:24,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:53:24,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:53:24,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:53:24,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:53:24,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:53:24,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:53:24,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:24,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:53:24,570 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:53:24,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:53:24,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:53:24,571 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:53:24,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:53:24,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:53:24,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:53:24,573 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_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2022-11-03 02:53:24,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:53:24,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:53:24,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:53:24,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:53:24,889 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:53:24,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-11-03 02:53:24,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/data/85f6e235d/c76ea505289940e8a10f797ee878b822/FLAG1ed7fa0dc [2022-11-03 02:53:25,855 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:53:25,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-11-03 02:53:25,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/data/85f6e235d/c76ea505289940e8a10f797ee878b822/FLAG1ed7fa0dc [2022-11-03 02:53:26,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/data/85f6e235d/c76ea505289940e8a10f797ee878b822 [2022-11-03 02:53:26,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:53:26,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:53:26,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:26,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:53:26,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:53:26,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76347a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:26, skipping insertion in model container [2022-11-03 02:53:26,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:26" (1/1) ... [2022-11-03 02:53:26,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:53:26,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:53:26,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2022-11-03 02:53:26,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2022-11-03 02:53:27,891 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:27,892 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:27,892 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:27,893 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:27,894 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:27,909 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:27,910 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:27,912 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:27,913 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,346 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:53:28,348 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:53:28,349 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:53:28,350 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:53:28,352 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:53:28,353 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:53:28,354 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:53:28,355 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:53:28,355 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:53:28,356 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:53:28,610 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:53:28,745 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,746 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:28,919 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:53:28,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2022-11-03 02:53:28,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2022-11-03 02:53:28,983 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,983 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,984 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,984 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,985 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,993 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,993 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,995 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:28,995 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:29,028 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:53:29,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:53:29,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:53:29,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:53:29,031 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:53:29,032 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:53:29,032 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:53:29,033 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:53:29,033 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:53:29,034 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:53:29,054 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:53:29,137 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:29,138 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:53:29,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:29,497 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:53:29,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29 WrapperNode [2022-11-03 02:53:29,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:29,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:29,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:53:29,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:53:29,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,698 INFO L138 Inliner]: procedures = 693, calls = 2772, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 812 [2022-11-03 02:53:29,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:29,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:53:29,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:53:29,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:53:29,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,760 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:53:29,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:53:29,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:53:29,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:53:29,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (1/1) ... [2022-11-03 02:53:29,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:29,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:29,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:53:29,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:53:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-03 02:53:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-03 02:53:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-03 02:53:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-03 02:53:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:53:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 02:53:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 02:53:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:53:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 02:53:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 02:53:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:53:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:53:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:53:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:53:29,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:53:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 02:53:29,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 02:53:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:53:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2022-11-03 02:53:29,883 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2022-11-03 02:53:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-03 02:53:29,884 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-03 02:53:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:53:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:53:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-03 02:53:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-03 02:53:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:53:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:53:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:53:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:53:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 02:53:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 02:53:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 02:53:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 02:53:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:53:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:53:30,216 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:53:30,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:53:31,578 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:53:31,746 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:53:31,746 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:53:31,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:31 BoogieIcfgContainer [2022-11-03 02:53:31,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:53:31,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:53:31,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:53:31,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:53:31,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:53:26" (1/3) ... [2022-11-03 02:53:31,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bcf13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:31, skipping insertion in model container [2022-11-03 02:53:31,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:29" (2/3) ... [2022-11-03 02:53:31,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bcf13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:31, skipping insertion in model container [2022-11-03 02:53:31,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:31" (3/3) ... [2022-11-03 02:53:31,762 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2022-11-03 02:53:31,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:53:31,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:53:31,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:53:31,852 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;@6ed4fb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:53:31,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:53:31,857 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) [2022-11-03 02:53:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 02:53:31,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:31,867 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] [2022-11-03 02:53:31,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:31,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:31,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1641655029, now seen corresponding path program 1 times [2022-11-03 02:53:31,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:31,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403890872] [2022-11-03 02:53:31,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:31,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 02:53:33,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:33,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403890872] [2022-11-03 02:53:33,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403890872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:33,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:33,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:53:33,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773866209] [2022-11-03 02:53:33,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:33,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:53:33,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:33,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:53:33,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:53:33,764 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) [2022-11-03 02:53:34,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:34,211 INFO L93 Difference]: Finished difference Result 103 states and 120 transitions. [2022-11-03 02:53:34,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:53:34,214 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 [2022-11-03 02:53:34,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:34,229 INFO L225 Difference]: With dead ends: 103 [2022-11-03 02:53:34,230 INFO L226 Difference]: Without dead ends: 73 [2022-11-03 02:53:34,233 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 [2022-11-03 02:53:34,242 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 24 mSDsluCounter, 515 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:34,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 500 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:53:34,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-03 02:53:34,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-03 02:53:34,305 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) [2022-11-03 02:53:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 84 transitions. [2022-11-03 02:53:34,311 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 84 transitions. Word has length 47 [2022-11-03 02:53:34,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:34,313 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 84 transitions. [2022-11-03 02:53:34,314 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) [2022-11-03 02:53:34,314 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-11-03 02:53:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-03 02:53:34,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:34,321 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] [2022-11-03 02:53:34,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:53:34,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:34,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:34,323 INFO L85 PathProgramCache]: Analyzing trace with hash -2033896927, now seen corresponding path program 1 times [2022-11-03 02:53:34,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:34,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814240921] [2022-11-03 02:53:34,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:34,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 02:53:34,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:34,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814240921] [2022-11-03 02:53:34,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814240921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:34,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:34,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:53:34,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419207281] [2022-11-03 02:53:34,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:34,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:53:34,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:34,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:53:34,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:53:34,885 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) [2022-11-03 02:53:35,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:35,033 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2022-11-03 02:53:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:53:35,034 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 [2022-11-03 02:53:35,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:35,035 INFO L225 Difference]: With dead ends: 119 [2022-11-03 02:53:35,036 INFO L226 Difference]: Without dead ends: 73 [2022-11-03 02:53:35,036 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 [2022-11-03 02:53:35,037 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 3 mSDsluCounter, 143 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:35,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 189 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:53:35,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-03 02:53:35,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-03 02:53:35,048 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) [2022-11-03 02:53:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2022-11-03 02:53:35,049 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 68 [2022-11-03 02:53:35,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:35,050 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2022-11-03 02:53:35,050 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) [2022-11-03 02:53:35,050 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-11-03 02:53:35,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 02:53:35,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:35,052 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] [2022-11-03 02:53:35,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:53:35,052 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:35,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:35,052 INFO L85 PathProgramCache]: Analyzing trace with hash 606595662, now seen corresponding path program 1 times [2022-11-03 02:53:35,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:35,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889692312] [2022-11-03 02:53:35,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:35,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:37,443 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 02:53:37,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:37,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889692312] [2022-11-03 02:53:37,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889692312] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:53:37,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070087996] [2022-11-03 02:53:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:37,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:37,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:37,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:53:37,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:53:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:38,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 2650 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-03 02:53:38,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:53:38,799 INFO L356 Elim1Store]: treesize reduction 17, result has 41.4 percent of original size [2022-11-03 02:53:38,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 44 [2022-11-03 02:53:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 02:53:39,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:53:39,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070087996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:39,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:53:39,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [10] total 23 [2022-11-03 02:53:39,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941953736] [2022-11-03 02:53:39,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:39,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 02:53:39,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:39,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 02:53:39,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=460, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:53:39,218 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 15 states, 10 states have (on average 3.7) internal successors, (37), 13 states have internal predecessors, (37), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2022-11-03 02:53:39,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:39,770 INFO L93 Difference]: Finished difference Result 97 states and 109 transitions. [2022-11-03 02:53:39,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:53:39,771 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 10 states have (on average 3.7) internal successors, (37), 13 states have internal predecessors, (37), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) Word has length 72 [2022-11-03 02:53:39,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:39,773 INFO L225 Difference]: With dead ends: 97 [2022-11-03 02:53:39,773 INFO L226 Difference]: Without dead ends: 74 [2022-11-03 02:53:39,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:53:39,774 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 9 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 62 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:39,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 807 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 260 Invalid, 0 Unknown, 62 Unchecked, 0.4s Time] [2022-11-03 02:53:39,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-03 02:53:39,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-03 02:53:39,786 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) [2022-11-03 02:53:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2022-11-03 02:53:39,788 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 72 [2022-11-03 02:53:39,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:39,789 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2022-11-03 02:53:39,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 10 states have (on average 3.7) internal successors, (37), 13 states have internal predecessors, (37), 6 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 6 states have call successors, (15) [2022-11-03 02:53:39,789 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2022-11-03 02:53:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 02:53:39,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:39,791 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] [2022-11-03 02:53:39,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:53:40,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:40,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:40,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:40,009 INFO L85 PathProgramCache]: Analyzing trace with hash -937435978, now seen corresponding path program 1 times [2022-11-03 02:53:40,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:40,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254222482] [2022-11-03 02:53:40,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:40,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-03 02:53:42,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:42,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254222482] [2022-11-03 02:53:42,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254222482] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:53:42,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467020723] [2022-11-03 02:53:42,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:42,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:42,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:42,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:53:42,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b22ae02-b0e0-410f-a653-9c9505babb33/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:53:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:43,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 2669 conjuncts, 195 conjunts are in the unsatisfiable core [2022-11-03 02:53:43,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:53:43,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2022-11-03 02:53:43,402 INFO L356 Elim1Store]: treesize reduction 15, result has 53.1 percent of original size [2022-11-03 02:53:43,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:53:43,485 INFO L356 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2022-11-03 02:53:43,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 174 treesize of output 91 [2022-11-03 02:53:48,112 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:53:48,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 57 treesize of output 26 [2022-11-03 02:53:48,315 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-03 02:53:49,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:53:49,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-03 02:53:49,723 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 02:53:49,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:53:50,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467020723] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:53:50,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1885320260] [2022-11-03 02:53:50,677 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-03 02:53:50,677 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:53:50,681 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:53:50,686 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:53:50,686 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:53:55,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:55,763 INFO L244 Elim1Store]: Index analysis took 746 ms [2022-11-03 02:53:55,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:53:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:58,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:58,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:58,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:58,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:58,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:53:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:59,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:59,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:59,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:54:00,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 02:54:05,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 02:54:05,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:54:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:54:05,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:54:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:54:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:05,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:54:09,053 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:54:15,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:54:19,400 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_string_is_allocated_bounded_length with input of size 3311 for LOIs [2022-11-03 02:56:08,018 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3296 for LOIs [2022-11-03 02:56:12,057 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 3320 for LOIs [2022-11-03 02:57:00,536 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3388 for LOIs [2022-11-03 02:57:39,578 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:58:54,341 WARN L234 SmtUtils]: Spent 1.20m on a formula simplification that was a NOOP. DAG size: 3296 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:00:07,109 WARN L234 SmtUtils]: Spent 1.16m on a formula simplification that was a NOOP. DAG size: 3311 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:01:23,934 WARN L234 SmtUtils]: Spent 1.23m on a formula simplification that was a NOOP. DAG size: 3313 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)