./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS --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 c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d --- 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-8393723 [2022-11-19 07:56:31,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:56:31,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:56:31,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:56:31,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:56:31,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:56:31,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:56:31,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:56:31,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:56:31,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:56:31,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:56:31,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:56:31,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:56:31,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:56:31,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:56:31,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:56:31,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:56:31,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:56:31,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:56:31,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:56:31,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:56:31,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:56:31,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:56:31,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:56:31,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:56:31,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:56:31,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:56:31,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:56:31,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:56:31,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:56:31,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:56:31,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:56:31,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:56:31,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:56:31,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:56:31,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:56:31,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:56:31,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:56:31,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:56:31,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:56:31,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:56:31,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:56:31,439 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:56:31,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:56:31,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:56:31,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:56:31,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:56:31,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:56:31,441 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:56:31,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:56:31,442 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:56:31,442 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:56:31,443 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:56:31,443 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:56:31,443 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:56:31,443 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:56:31,444 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:56:31,444 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:56:31,444 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:56:31,444 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:56:31,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:56:31,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:56:31,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:56:31,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:56:31,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:56:31,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:56:31,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:56:31,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:56:31,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:56:31,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:56:31,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:56:31,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:31,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:56:31,449 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:56:31,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:56:31,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:56:31,450 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:56:31,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:56:31,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:56:31,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:56:31,450 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_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2022-11-19 07:56:31,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:56:31,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:56:31,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:56:31,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:56:31,835 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:56:31,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2022-11-19 07:56:31,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/data/cca60a34c/5d5cdfd4c77849b2a0f08889a9eebcb6/FLAG9a196605b [2022-11-19 07:56:32,819 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:56:32,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2022-11-19 07:56:32,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/data/cca60a34c/5d5cdfd4c77849b2a0f08889a9eebcb6/FLAG9a196605b [2022-11-19 07:56:33,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/data/cca60a34c/5d5cdfd4c77849b2a0f08889a9eebcb6 [2022-11-19 07:56:33,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:56:33,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:56:33,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:33,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:56:33,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:56:33,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:33" (1/1) ... [2022-11-19 07:56:33,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d115b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:33, skipping insertion in model container [2022-11-19 07:56:33,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:33" (1/1) ... [2022-11-19 07:56:33,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:56:33,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:56:33,847 WARN L234 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_3a0737f1-d65d-4e44-81db-5143ac3446a6/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4501,4514] [2022-11-19 07:56:33,858 WARN L234 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_3a0737f1-d65d-4e44-81db-5143ac3446a6/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4561,4574] [2022-11-19 07:56:35,102 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,103 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,107 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,109 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,111 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,123 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,124 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,126 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,126 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,559 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:56:35,560 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:56:35,561 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:56:35,562 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:56:35,564 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:56:35,565 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:56:35,566 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:56:35,566 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:56:35,567 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:56:35,568 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:56:35,753 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:56:35,856 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:35,856 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:36,106 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:56:36,134 WARN L234 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_3a0737f1-d65d-4e44-81db-5143ac3446a6/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4501,4514] [2022-11-19 07:56:36,134 WARN L234 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_3a0737f1-d65d-4e44-81db-5143ac3446a6/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4561,4574] [2022-11-19 07:56:36,177 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,177 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,178 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,178 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,179 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,185 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,186 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,187 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,188 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,222 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:56:36,223 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:56:36,224 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:56:36,225 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:56:36,226 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:56:36,226 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:56:36,227 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:56:36,228 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:56:36,228 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:56:36,229 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:56:36,249 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:56:36,305 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,306 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:56:36,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:36,646 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:56:36,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36 WrapperNode [2022-11-19 07:56:36,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:36,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:36,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:56:36,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:56:36,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:36,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:36,890 INFO L138 Inliner]: procedures = 693, calls = 2784, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 832 [2022-11-19 07:56:36,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:36,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:56:36,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:56:36,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:56:36,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:36,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:36,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:36,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:36,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:36,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:36,979 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:36,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:37,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:56:37,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:56:37,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:56:37,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:56:37,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (1/1) ... [2022-11-19 07:56:37,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:37,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:37,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:56:37,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:56:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-19 07:56:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-19 07:56:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2022-11-19 07:56:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2022-11-19 07:56:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-19 07:56:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-19 07:56:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:56:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 07:56:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 07:56:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:56:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:56:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:56:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:56:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:56:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:56:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:56:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:56:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 07:56:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 07:56:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:56:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-19 07:56:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-19 07:56:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:56:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:56:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:56:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:56:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:56:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 07:56:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 07:56:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-19 07:56:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-19 07:56:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:56:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:56:37,478 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:56:37,482 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:56:39,036 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:56:39,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:56:39,378 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:56:39,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:39 BoogieIcfgContainer [2022-11-19 07:56:39,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:56:39,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:56:39,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:56:39,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:56:39,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:33" (1/3) ... [2022-11-19 07:56:39,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a35560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:39, skipping insertion in model container [2022-11-19 07:56:39,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:36" (2/3) ... [2022-11-19 07:56:39,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a35560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:39, skipping insertion in model container [2022-11-19 07:56:39,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:39" (3/3) ... [2022-11-19 07:56:39,395 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2022-11-19 07:56:39,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:56:39,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:56:39,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:56:39,524 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;@5b6f326d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:56:39,524 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:56:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-19 07:56:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 07:56:39,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:39,544 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] [2022-11-19 07:56:39,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:39,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:39,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1009219694, now seen corresponding path program 1 times [2022-11-19 07:56:39,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:39,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054767458] [2022-11-19 07:56:39,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:39,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:43,777 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 07:56:43,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:43,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054767458] [2022-11-19 07:56:43,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054767458] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:56:43,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353496391] [2022-11-19 07:56:43,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:43,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:43,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:43,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:43,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:56:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:44,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-19 07:56:44,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:45,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:45,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 07:56:45,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:56:46,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2022-11-19 07:56:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-19 07:56:46,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:56:46,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353496391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:46,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:56:46,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [10] total 28 [2022-11-19 07:56:46,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136043422] [2022-11-19 07:56:46,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:46,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-19 07:56:46,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:46,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-19 07:56:46,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2022-11-19 07:56:46,830 INFO L87 Difference]: Start difference. First operand has 73 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 20 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 7 states have call successors, (14), 3 states have call predecessors, (14), 6 states have return successors, (13), 9 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-19 07:56:47,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:47,696 INFO L93 Difference]: Finished difference Result 121 states and 147 transitions. [2022-11-19 07:56:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-19 07:56:47,699 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 7 states have call successors, (14), 3 states have call predecessors, (14), 6 states have return successors, (13), 9 states have call predecessors, (13), 6 states have call successors, (13) Word has length 55 [2022-11-19 07:56:47,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:47,714 INFO L225 Difference]: With dead ends: 121 [2022-11-19 07:56:47,714 INFO L226 Difference]: Without dead ends: 83 [2022-11-19 07:56:47,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=111, Invalid=1079, Unknown=0, NotChecked=0, Total=1190 [2022-11-19 07:56:47,725 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 24 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:47,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 706 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 635 Invalid, 0 Unknown, 38 Unchecked, 0.6s Time] [2022-11-19 07:56:47,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-19 07:56:47,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 82. [2022-11-19 07:56:47,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 41 states have (on average 1.048780487804878) internal successors, (43), 42 states have internal predecessors, (43), 25 states have call successors, (25), 15 states have call predecessors, (25), 15 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 07:56:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2022-11-19 07:56:47,790 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 55 [2022-11-19 07:56:47,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:47,791 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2022-11-19 07:56:47,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 7 states have call successors, (14), 3 states have call predecessors, (14), 6 states have return successors, (13), 9 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-19 07:56:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2022-11-19 07:56:47,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 07:56:47,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:47,794 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:47,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:56:48,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 07:56:48,004 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:48,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:48,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1347337017, now seen corresponding path program 1 times [2022-11-19 07:56:48,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:48,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064335785] [2022-11-19 07:56:48,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:48,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:56:50,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:50,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064335785] [2022-11-19 07:56:50,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064335785] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:56:50,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825766698] [2022-11-19 07:56:50,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:50,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:50,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:50,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:50,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0737f1-d65d-4e44-81db-5143ac3446a6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:56:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:51,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 2655 conjuncts, 127 conjunts are in the unsatisfiable core [2022-11-19 07:56:51,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:51,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:56:51,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:56:51,570 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:56:51,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 07:56:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:55,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 65 [2022-11-19 07:56:55,266 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 07:56:55,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 07:56:57,175 INFO L321 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2022-11-19 07:56:57,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 187 treesize of output 171 [2022-11-19 07:56:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:56:57,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:57:12,034 WARN L233 SmtUtils]: Spent 11.62s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:57:12,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825766698] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:57:12,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [588890075] [2022-11-19 07:57:12,207 INFO L159 IcfgInterpreter]: Started Sifa with 51 locations of interest [2022-11-19 07:57:12,207 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:57:12,213 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:57:12,219 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:57:12,219 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:57:17,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:17,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 81 [2022-11-19 07:57:17,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:57:18,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:19,612 INFO L217 Elim1Store]: Index analysis took 877 ms [2022-11-19 07:57:20,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 263 select indices, 263 select index equivalence classes, 32654 disjoint index pairs (out of 34453 index pairs), introduced 263 new quantified variables, introduced 0 case distinctions, treesize of input 2369 treesize of output 3143 [2022-11-19 07:57:23,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:23,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:23,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 81 [2022-11-19 07:57:28,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:57:28,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:57:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-19 07:57:28,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-19 07:57:28,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-19 07:57:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-19 07:57:31,819 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:57:38,768 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:57:42,649 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_string_is_allocated_bounded_length with input of size 3303 for LOIs [2022-11-19 07:59:24,154 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3288 for LOIs [2022-11-19 07:59:28,172 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 3308 for LOIs [2022-11-19 08:00:12,075 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3376 for LOIs [2022-11-19 08:00:44,797 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:02:02,599 WARN L233 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 3288 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:03:20,648 WARN L233 SmtUtils]: Spent 1.20m on a formula simplification that was a NOOP. DAG size: 3303 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:04:38,333 WARN L233 SmtUtils]: Spent 1.19m on a formula simplification that was a NOOP. DAG size: 3305 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:08:41,899 WARN L233 SmtUtils]: Spent 3.73m on a formula simplification. DAG size of input: 3376 DAG size of output: 3324 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)