./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 22:55:10,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 22:55:10,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 22:55:10,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 22:55:10,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 22:55:10,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 22:55:10,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 22:55:10,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 22:55:10,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 22:55:10,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 22:55:10,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 22:55:10,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 22:55:10,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 22:55:10,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 22:55:10,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 22:55:10,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 22:55:10,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 22:55:10,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 22:55:10,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 22:55:10,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 22:55:10,323 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 22:55:10,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 22:55:10,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 22:55:10,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 22:55:10,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 22:55:10,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 22:55:10,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 22:55:10,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 22:55:10,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 22:55:10,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 22:55:10,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 22:55:10,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 22:55:10,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 22:55:10,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 22:55:10,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 22:55:10,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 22:55:10,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 22:55:10,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 22:55:10,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 22:55:10,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 22:55:10,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 22:55:10,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 22:55:10,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 22:55:10,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 22:55:10,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 22:55:10,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 22:55:10,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 22:55:10,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 22:55:10,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 22:55:10,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 22:55:10,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 22:55:10,365 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 22:55:10,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 22:55:10,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 22:55:10,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 22:55:10,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 22:55:10,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 22:55:10,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 22:55:10,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 22:55:10,367 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 22:55:10,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 22:55:10,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 22:55:10,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 22:55:10,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 22:55:10,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 22:55:10,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 22:55:10,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 22:55:10,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 22:55:10,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 22:55:10,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 22:55:10,369 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 22:55:10,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 22:55:10,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 22:55:10,370 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2022-07-13 22:55:10,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 22:55:10,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 22:55:10,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 22:55:10,543 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 22:55:10,543 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 22:55:10,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-13 22:55:10,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c0721607/5d421b63e5e24b3395768b1ad4cddf2f/FLAG311a6a2a0 [2022-07-13 22:55:11,214 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 22:55:11,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-13 22:55:11,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c0721607/5d421b63e5e24b3395768b1ad4cddf2f/FLAG311a6a2a0 [2022-07-13 22:55:11,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c0721607/5d421b63e5e24b3395768b1ad4cddf2f [2022-07-13 22:55:11,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 22:55:11,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 22:55:11,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 22:55:11,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 22:55:11,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 22:55:11,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:55:11" (1/1) ... [2022-07-13 22:55:11,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622c5471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:11, skipping insertion in model container [2022-07-13 22:55:11,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:55:11" (1/1) ... [2022-07-13 22:55:11,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 22:55:11,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 22:55:11,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2022-07-13 22:55:11,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2022-07-13 22:55:12,497 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,498 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,498 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,499 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,500 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,509 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,510 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,512 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,513 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,515 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,517 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,517 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,517 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,733 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-13 22:55:12,733 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-13 22:55:12,734 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-13 22:55:12,735 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-13 22:55:12,735 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-13 22:55:12,737 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-13 22:55:12,738 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-13 22:55:12,738 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-13 22:55:12,739 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-13 22:55:12,739 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-13 22:55:12,808 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-13 22:55:12,832 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,832 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,835 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,838 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,880 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,880 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,880 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,881 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,881 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,881 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,881 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,881 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,882 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,882 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,882 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,882 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,882 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,884 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,884 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,884 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,884 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,886 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,886 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,890 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,891 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,891 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:12,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 22:55:12,944 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 22:55:12,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2022-07-13 22:55:12,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2022-07-13 22:55:13,009 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,009 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,009 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,010 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,012 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,017 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,021 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,021 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,022 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,022 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,022 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,024 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,024 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,059 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-13 22:55:13,060 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-13 22:55:13,060 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-13 22:55:13,060 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-13 22:55:13,061 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-13 22:55:13,061 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-13 22:55:13,062 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-13 22:55:13,062 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-13 22:55:13,062 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-13 22:55:13,063 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-13 22:55:13,081 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-13 22:55:13,092 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,092 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,093 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,096 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,120 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,120 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,120 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,121 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,121 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,121 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,121 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,122 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,122 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,123 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,123 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,124 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,125 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,125 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,126 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,144 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,144 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,146 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,146 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,150 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,151 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,152 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:13,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 22:55:13,271 INFO L208 MainTranslator]: Completed translation [2022-07-13 22:55:13,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13 WrapperNode [2022-07-13 22:55:13,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 22:55:13,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 22:55:13,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 22:55:13,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 22:55:13,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,425 INFO L137 Inliner]: procedures = 697, calls = 1905, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 840 [2022-07-13 22:55:13,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 22:55:13,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 22:55:13,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 22:55:13,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 22:55:13,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 22:55:13,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 22:55:13,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 22:55:13,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 22:55:13,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (1/1) ... [2022-07-13 22:55:13,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 22:55:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:55:13,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 22:55:13,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 22:55:13,585 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-07-13 22:55:13,585 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-07-13 22:55:13,585 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-07-13 22:55:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-07-13 22:55:13,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 22:55:13,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-13 22:55:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-13 22:55:13,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-13 22:55:13,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-13 22:55:13,586 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-13 22:55:13,587 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-13 22:55:13,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 22:55:13,587 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-13 22:55:13,587 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-13 22:55:13,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-13 22:55:13,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-13 22:55:13,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 22:55:13,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 22:55:13,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 22:55:13,590 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-07-13 22:55:13,590 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-07-13 22:55:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 22:55:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 22:55:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-13 22:55:13,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-13 22:55:13,591 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-07-13 22:55:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-07-13 22:55:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-13 22:55:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-13 22:55:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-13 22:55:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-13 22:55:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-07-13 22:55:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-07-13 22:55:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-13 22:55:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-13 22:55:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-13 22:55:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-13 22:55:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-07-13 22:55:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-07-13 22:55:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 22:55:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 22:55:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2022-07-13 22:55:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2022-07-13 22:55:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 22:55:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-07-13 22:55:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-07-13 22:55:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-13 22:55:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-13 22:55:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-13 22:55:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-13 22:55:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 22:55:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-13 22:55:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-13 22:55:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-07-13 22:55:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-07-13 22:55:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-13 22:55:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-13 22:55:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 22:55:13,812 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 22:55:13,815 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 22:55:14,566 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 22:55:14,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 22:55:14,572 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-13 22:55:14,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:55:14 BoogieIcfgContainer [2022-07-13 22:55:14,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 22:55:14,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 22:55:14,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 22:55:14,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 22:55:14,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 10:55:11" (1/3) ... [2022-07-13 22:55:14,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6757b538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:55:14, skipping insertion in model container [2022-07-13 22:55:14,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:13" (2/3) ... [2022-07-13 22:55:14,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6757b538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:55:14, skipping insertion in model container [2022-07-13 22:55:14,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:55:14" (3/3) ... [2022-07-13 22:55:14,580 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2022-07-13 22:55:14,589 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 22:55:14,589 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 22:55:14,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 22:55:14,654 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@609748c2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2199bdf0 [2022-07-13 22:55:14,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 22:55:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 197 states have (on average 1.233502538071066) internal successors, (243), 198 states have internal predecessors, (243), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-07-13 22:55:14,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-13 22:55:14,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:55:14,681 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:55:14,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:55:14,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:55:14,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1627804587, now seen corresponding path program 1 times [2022-07-13 22:55:14,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:55:14,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125680424] [2022-07-13 22:55:14,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:14,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:55:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:55:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:55:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 22:55:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:55:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-13 22:55:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-13 22:55:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 22:55:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 22:55:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 22:55:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 22:55:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 22:55:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-13 22:55:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 22:55:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 22:55:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-13 22:55:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:55:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:55:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-13 22:55:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 22:55:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-13 22:55:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-13 22:55:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-13 22:55:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-13 22:55:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-13 22:55:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-13 22:55:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-13 22:55:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-07-13 22:55:15,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:55:15,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125680424] [2022-07-13 22:55:15,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125680424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:55:15,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:55:15,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 22:55:15,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504247992] [2022-07-13 22:55:15,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:55:15,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 22:55:15,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:55:15,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 22:55:15,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 22:55:15,484 INFO L87 Difference]: Start difference. First operand has 326 states, 197 states have (on average 1.233502538071066) internal successors, (243), 198 states have internal predecessors, (243), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 22:55:16,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:55:16,289 INFO L93 Difference]: Finished difference Result 731 states and 1164 transitions. [2022-07-13 22:55:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 22:55:16,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2022-07-13 22:55:16,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:55:16,300 INFO L225 Difference]: With dead ends: 731 [2022-07-13 22:55:16,300 INFO L226 Difference]: Without dead ends: 423 [2022-07-13 22:55:16,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 22:55:16,307 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 127 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 22:55:16,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 641 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 22:55:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-07-13 22:55:16,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 321. [2022-07-13 22:55:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 193 states have (on average 1.2020725388601037) internal successors, (232), 194 states have internal predecessors, (232), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2022-07-13 22:55:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 439 transitions. [2022-07-13 22:55:16,359 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 439 transitions. Word has length 156 [2022-07-13 22:55:16,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:55:16,359 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 439 transitions. [2022-07-13 22:55:16,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 22:55:16,360 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 439 transitions. [2022-07-13 22:55:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-13 22:55:16,361 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:55:16,362 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:55:16,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 22:55:16,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:55:16,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:55:16,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1159929871, now seen corresponding path program 1 times [2022-07-13 22:55:16,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:55:16,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433281343] [2022-07-13 22:55:16,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:16,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:55:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:55:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:55:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 22:55:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:55:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-13 22:55:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-13 22:55:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 22:55:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 22:55:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 22:55:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 22:55:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 22:55:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-13 22:55:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 22:55:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 22:55:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-13 22:55:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:55:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:55:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-13 22:55:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 22:55:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-13 22:55:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-13 22:55:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-13 22:55:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-13 22:55:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-13 22:55:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-13 22:55:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-13 22:55:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-07-13 22:55:16,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:55:16,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433281343] [2022-07-13 22:55:16,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433281343] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:55:16,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266359935] [2022-07-13 22:55:16,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:16,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:55:16,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:55:16,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:55:16,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 22:55:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 2330 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 22:55:17,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:55:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-13 22:55:17,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:55:17,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266359935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:55:17,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:55:17,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-07-13 22:55:17,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675137529] [2022-07-13 22:55:17,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:55:17,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 22:55:17,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:55:17,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 22:55:17,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-13 22:55:17,235 INFO L87 Difference]: Start difference. First operand 321 states and 439 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:55:17,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:55:17,414 INFO L93 Difference]: Finished difference Result 596 states and 820 transitions. [2022-07-13 22:55:17,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 22:55:17,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 156 [2022-07-13 22:55:17,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:55:17,420 INFO L225 Difference]: With dead ends: 596 [2022-07-13 22:55:17,420 INFO L226 Difference]: Without dead ends: 323 [2022-07-13 22:55:17,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-07-13 22:55:17,423 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 456 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:55:17,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1495 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 22:55:17,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-07-13 22:55:17,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2022-07-13 22:55:17,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 194 states have (on average 1.2010309278350515) internal successors, (233), 196 states have internal predecessors, (233), 104 states have call successors, (104), 23 states have call predecessors, (104), 24 states have return successors, (107), 103 states have call predecessors, (107), 103 states have call successors, (107) [2022-07-13 22:55:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 444 transitions. [2022-07-13 22:55:17,465 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 444 transitions. Word has length 156 [2022-07-13 22:55:17,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:55:17,466 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 444 transitions. [2022-07-13 22:55:17,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:55:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 444 transitions. [2022-07-13 22:55:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-13 22:55:17,470 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:55:17,470 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:55:17,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 22:55:17,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:55:17,696 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:55:17,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:55:17,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1288218285, now seen corresponding path program 1 times [2022-07-13 22:55:17,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:55:17,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098584613] [2022-07-13 22:55:17,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:17,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:55:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:55:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:55:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 22:55:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:55:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-13 22:55:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-13 22:55:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 22:55:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 22:55:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 22:55:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 22:55:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 22:55:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-13 22:55:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 22:55:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 22:55:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-13 22:55:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:55:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:55:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-13 22:55:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-13 22:55:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-13 22:55:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-13 22:55:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-13 22:55:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-13 22:55:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-13 22:55:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:55:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:18,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-13 22:55:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-13 22:55:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-07-13 22:55:18,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:55:18,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098584613] [2022-07-13 22:55:18,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098584613] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:55:18,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048297916] [2022-07-13 22:55:18,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:18,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:55:18,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:55:18,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:55:18,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 22:55:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:18,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 2380 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:55:18,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:55:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-13 22:55:18,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:55:18,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048297916] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:55:18,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:55:18,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2022-07-13 22:55:18,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299610457] [2022-07-13 22:55:18,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:55:18,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 22:55:18,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:55:18,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 22:55:18,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-07-13 22:55:18,489 INFO L87 Difference]: Start difference. First operand 323 states and 444 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-13 22:55:18,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:55:18,805 INFO L93 Difference]: Finished difference Result 619 states and 867 transitions. [2022-07-13 22:55:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 22:55:18,806 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 164 [2022-07-13 22:55:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:55:18,808 INFO L225 Difference]: With dead ends: 619 [2022-07-13 22:55:18,808 INFO L226 Difference]: Without dead ends: 344 [2022-07-13 22:55:18,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-07-13 22:55:18,809 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 518 mSDsluCounter, 1779 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 22:55:18,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 2155 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 22:55:18,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2022-07-13 22:55:18,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2022-07-13 22:55:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 210 states have (on average 1.2142857142857142) internal successors, (255), 212 states have internal predecessors, (255), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-07-13 22:55:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2022-07-13 22:55:18,824 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 164 [2022-07-13 22:55:18,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:55:18,826 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2022-07-13 22:55:18,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-13 22:55:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2022-07-13 22:55:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-07-13 22:55:18,828 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:55:18,828 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:55:18,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 22:55:19,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-07-13 22:55:19,048 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:55:19,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:55:19,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1645223367, now seen corresponding path program 1 times [2022-07-13 22:55:19,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:55:19,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135947015] [2022-07-13 22:55:19,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:19,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:55:19,121 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 22:55:19,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359941699] [2022-07-13 22:55:19,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:19,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:55:19,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:55:19,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:55:19,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 22:55:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:19,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:55:19,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:55:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-13 22:55:19,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:55:19,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:55:19,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135947015] [2022-07-13 22:55:19,590 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 22:55:19,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359941699] [2022-07-13 22:55:19,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359941699] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:55:19,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:55:19,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 22:55:19,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617666064] [2022-07-13 22:55:19,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:55:19,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:55:19,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:55:19,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:55:19,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 22:55:19,591 INFO L87 Difference]: Start difference. First operand 342 states and 481 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-13 22:55:19,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:55:19,817 INFO L93 Difference]: Finished difference Result 644 states and 916 transitions. [2022-07-13 22:55:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 22:55:19,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 179 [2022-07-13 22:55:19,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:55:19,820 INFO L225 Difference]: With dead ends: 644 [2022-07-13 22:55:19,820 INFO L226 Difference]: Without dead ends: 350 [2022-07-13 22:55:19,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-13 22:55:19,822 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 480 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 22:55:19,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 1829 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 22:55:19,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-07-13 22:55:19,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 342. [2022-07-13 22:55:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 210 states have (on average 1.2142857142857142) internal successors, (255), 212 states have internal predecessors, (255), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-07-13 22:55:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2022-07-13 22:55:19,836 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 179 [2022-07-13 22:55:19,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:55:19,837 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2022-07-13 22:55:19,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-13 22:55:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2022-07-13 22:55:19,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-13 22:55:19,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:55:19,839 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:55:19,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 22:55:20,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:55:20,059 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:55:20,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:55:20,060 INFO L85 PathProgramCache]: Analyzing trace with hash 706739126, now seen corresponding path program 1 times [2022-07-13 22:55:20,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:55:20,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385402520] [2022-07-13 22:55:20,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:20,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:55:20,109 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 22:55:20,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632582312] [2022-07-13 22:55:20,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:20,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:55:20,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:55:20,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:55:20,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 22:55:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:55:20,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-13 22:55:20,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:55:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-07-13 22:55:20,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:55:20,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:55:20,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385402520] [2022-07-13 22:55:20,594 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 22:55:20,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632582312] [2022-07-13 22:55:20,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632582312] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:55:20,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:55:20,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 22:55:20,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577013241] [2022-07-13 22:55:20,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:55:20,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 22:55:20,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:55:20,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 22:55:20,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 22:55:20,596 INFO L87 Difference]: Start difference. First operand 342 states and 481 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-07-13 22:55:20,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:55:20,973 INFO L93 Difference]: Finished difference Result 654 states and 929 transitions. [2022-07-13 22:55:20,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 22:55:20,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 195 [2022-07-13 22:55:20,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:55:20,980 INFO L225 Difference]: With dead ends: 654 [2022-07-13 22:55:20,980 INFO L226 Difference]: Without dead ends: 360 [2022-07-13 22:55:20,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-07-13 22:55:20,982 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 551 mSDsluCounter, 2087 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2456 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 22:55:20,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2456 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 22:55:20,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-07-13 22:55:20,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 342. [2022-07-13 22:55:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 210 states have (on average 1.2142857142857142) internal successors, (255), 212 states have internal predecessors, (255), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-07-13 22:55:20,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2022-07-13 22:55:20,999 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 195 [2022-07-13 22:55:21,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:55:21,000 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2022-07-13 22:55:21,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-07-13 22:55:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2022-07-13 22:55:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-13 22:55:21,002 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:55:21,002 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:55:21,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 22:55:21,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:55:21,223 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:55:21,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:55:21,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1820952612, now seen corresponding path program 2 times [2022-07-13 22:55:21,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:55:21,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413756746] [2022-07-13 22:55:21,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:55:21,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:55:21,350 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-13 22:55:21,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772673469] [2022-07-13 22:55:21,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 22:55:21,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:55:21,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:55:21,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:55:21,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 22:55:21,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 22:55:21,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 22:55:21,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 245 conjunts are in the unsatisfiable core [2022-07-13 22:55:21,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:55:22,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 3 [2022-07-13 22:55:22,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:55:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:55:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:55:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:55:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:55:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:55:22,209 INFO L356 Elim1Store]: treesize reduction 12, result has 78.9 percent of original size [2022-07-13 22:55:22,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 60 [2022-07-13 22:55:23,813 INFO L356 Elim1Store]: treesize reduction 344, result has 50.1 percent of original size [2022-07-13 22:55:23,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 87 select indices, 87 select index equivalence classes, 3655 disjoint index pairs (out of 3741 index pairs), introduced 87 new quantified variables, introduced 86 case distinctions, treesize of input 436 treesize of output 606 [2022-07-13 22:55:40,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:55:40,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413756746] [2022-07-13 22:55:40,846 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-13 22:55:40,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772673469] [2022-07-13 22:55:40,846 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-13 22:55:40,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 22:55:41,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:55:41,065 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:682) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:552) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:227) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryExhaustivelyToEliminate(DualJunctionTir.java:141) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:128) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:764) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:725) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:643) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:335) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:251) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:248) [2022-07-13 22:55:41,067 INFO L158 Benchmark]: Toolchain (without parser) took 29440.18ms. Allocated memory was 104.9MB in the beginning and 597.7MB in the end (delta: 492.8MB). Free memory was 67.7MB in the beginning and 505.0MB in the end (delta: -437.2MB). Peak memory consumption was 379.5MB. Max. memory is 16.1GB. [2022-07-13 22:55:41,067 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 22:55:41,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1651.02ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 67.5MB in the beginning and 53.7MB in the end (delta: 13.7MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2022-07-13 22:55:41,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.60ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 53.7MB in the beginning and 107.3MB in the end (delta: -53.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 22:55:41,067 INFO L158 Benchmark]: Boogie Preprocessor took 103.37ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 99.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 22:55:41,067 INFO L158 Benchmark]: RCFGBuilder took 1042.32ms. Allocated memory is still 159.4MB. Free memory was 99.7MB in the beginning and 74.5MB in the end (delta: 25.2MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2022-07-13 22:55:41,068 INFO L158 Benchmark]: TraceAbstraction took 26491.22ms. Allocated memory was 159.4MB in the beginning and 597.7MB in the end (delta: 438.3MB). Free memory was 74.3MB in the beginning and 505.0MB in the end (delta: -430.7MB). Peak memory consumption was 331.7MB. Max. memory is 16.1GB. [2022-07-13 22:55:41,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1651.02ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 67.5MB in the beginning and 53.7MB in the end (delta: 13.7MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.60ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 53.7MB in the beginning and 107.3MB in the end (delta: -53.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.37ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 99.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1042.32ms. Allocated memory is still 159.4MB. Free memory was 99.7MB in the beginning and 74.5MB in the end (delta: 25.2MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * TraceAbstraction took 26491.22ms. Allocated memory was 159.4MB in the beginning and 597.7MB in the end (delta: 438.3MB). Free memory was 74.3MB in the beginning and 505.0MB in the end (delta: -430.7MB). Peak memory consumption was 331.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:682) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-13 22:55:41,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 22:55:42,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 22:55:42,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 22:55:42,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 22:55:42,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 22:55:42,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 22:55:42,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 22:55:42,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 22:55:42,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 22:55:42,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 22:55:42,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 22:55:42,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 22:55:42,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 22:55:42,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 22:55:42,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 22:55:42,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 22:55:42,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 22:55:42,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 22:55:42,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 22:55:42,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 22:55:42,723 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 22:55:42,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 22:55:42,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 22:55:42,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 22:55:42,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 22:55:42,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 22:55:42,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 22:55:42,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 22:55:42,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 22:55:42,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 22:55:42,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 22:55:42,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 22:55:42,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 22:55:42,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 22:55:42,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 22:55:42,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 22:55:42,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 22:55:42,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 22:55:42,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 22:55:42,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 22:55:42,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 22:55:42,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 22:55:42,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 22:55:42,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 22:55:42,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 22:55:42,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 22:55:42,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 22:55:42,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 22:55:42,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 22:55:42,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 22:55:42,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 22:55:42,769 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 22:55:42,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 22:55:42,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 22:55:42,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 22:55:42,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 22:55:42,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 22:55:42,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 22:55:42,771 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2022-07-13 22:55:43,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 22:55:43,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 22:55:43,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 22:55:43,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 22:55:43,079 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 22:55:43,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-13 22:55:43,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87738a3f6/2bd5d57067fc4de296139a27b5b8ad3f/FLAG825451821 [2022-07-13 22:55:43,753 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 22:55:43,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-13 22:55:43,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87738a3f6/2bd5d57067fc4de296139a27b5b8ad3f/FLAG825451821 [2022-07-13 22:55:44,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87738a3f6/2bd5d57067fc4de296139a27b5b8ad3f [2022-07-13 22:55:44,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 22:55:44,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 22:55:44,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 22:55:44,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 22:55:44,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 22:55:44,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:55:44" (1/1) ... [2022-07-13 22:55:44,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376f9095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:55:44, skipping insertion in model container [2022-07-13 22:55:44,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:55:44" (1/1) ... [2022-07-13 22:55:44,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 22:55:44,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 22:55:44,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2022-07-13 22:55:44,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2022-07-13 22:55:44,835 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,839 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,841 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,841 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,842 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,850 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,850 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,851 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,851 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,852 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,853 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,853 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:44,853 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:55:45,065 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-13 22:55:45,066 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-13 22:55:45,069 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-13 22:55:45,070 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-13 22:55:45,071 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-13 22:55:45,072 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-13 22:55:45,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-13 22:55:45,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-13 22:55:45,074 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-13 22:55:45,076 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-13 22:55:45,158 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-13 22:55:45,167 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of int range at java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2138) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-13 22:55:45,170 INFO L158 Benchmark]: Toolchain (without parser) took 1061.50ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 30.8MB in the beginning and 38.6MB in the end (delta: -7.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-07-13 22:55:45,171 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 22:55:45,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.26ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 38.6MB in the end (delta: -7.9MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-07-13 22:55:45,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.26ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 38.6MB in the end (delta: -7.9MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of int range: java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range