./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 6c24879c 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-?-6c24879 [2022-07-12 11:15:08,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 11:15:08,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 11:15:08,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 11:15:08,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 11:15:08,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 11:15:08,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 11:15:08,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 11:15:08,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 11:15:08,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 11:15:08,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 11:15:08,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 11:15:08,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 11:15:08,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 11:15:08,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 11:15:08,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 11:15:08,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 11:15:08,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 11:15:08,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 11:15:08,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 11:15:08,266 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 11:15:08,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 11:15:08,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 11:15:08,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 11:15:08,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 11:15:08,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 11:15:08,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 11:15:08,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 11:15:08,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 11:15:08,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 11:15:08,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 11:15:08,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 11:15:08,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 11:15:08,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 11:15:08,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 11:15:08,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 11:15:08,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 11:15:08,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 11:15:08,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 11:15:08,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 11:15:08,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 11:15:08,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 11:15:08,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 11:15:08,308 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 11:15:08,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 11:15:08,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 11:15:08,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 11:15:08,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 11:15:08,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 11:15:08,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 11:15:08,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 11:15:08,310 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 11:15:08,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 11:15:08,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 11:15:08,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 11:15:08,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 11:15:08,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 11:15:08,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 11:15:08,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 11:15:08,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 11:15:08,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 11:15:08,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 11:15:08,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 11:15:08,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 11:15:08,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:15:08,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 11:15:08,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 11:15:08,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 11:15:08,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 11:15:08,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 11:15:08,313 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 11:15:08,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 11:15:08,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 11:15:08,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2022-07-12 11:15:08,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 11:15:08,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 11:15:08,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 11:15:08,525 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 11:15:08,525 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 11:15:08,526 INFO L432 ainManager$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 [2022-07-12 11:15:08,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1099ffdd7/5d6ad8c0adc343298c0c6f61d2aa73a7/FLAGa041b460c [2022-07-12 11:15:09,125 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 11:15:09,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-12 11:15:09,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1099ffdd7/5d6ad8c0adc343298c0c6f61d2aa73a7/FLAGa041b460c [2022-07-12 11:15:09,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1099ffdd7/5d6ad8c0adc343298c0c6f61d2aa73a7 [2022-07-12 11:15:09,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 11:15:09,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 11:15:09,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 11:15:09,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 11:15:09,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 11:15:09,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:15:09" (1/1) ... [2022-07-12 11:15:09,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e12ad6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:09, skipping insertion in model container [2022-07-12 11:15:09,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:15:09" (1/1) ... [2022-07-12 11:15:09,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 11:15:09,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 11:15:09,835 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] [2022-07-12 11:15:09,840 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] [2022-07-12 11:15:10,348 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,349 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,350 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,350 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,351 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,367 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,368 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,369 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,371 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,373 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,374 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,374 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,375 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,585 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-12 11:15:10,587 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-12 11:15:10,587 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-12 11:15:10,588 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-12 11:15:10,589 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-12 11:15:10,589 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-12 11:15:10,589 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-12 11:15:10,590 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-12 11:15:10,593 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-12 11:15:10,594 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-12 11:15:10,681 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-12 11:15:10,691 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,692 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,694 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,698 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,738 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,738 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,739 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,739 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,739 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,739 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,740 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,740 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,740 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,740 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,741 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,741 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,741 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,743 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,743 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,743 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,743 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,745 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,746 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,750 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,750 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,751 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:15:10,789 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 11:15:10,802 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] [2022-07-12 11:15:10,813 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] [2022-07-12 11:15:10,906 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,911 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,911 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,912 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,912 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,916 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,916 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,917 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,917 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,918 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,918 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,918 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,919 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:10,985 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-12 11:15:10,986 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-12 11:15:10,986 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-12 11:15:10,987 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-12 11:15:10,987 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-12 11:15:10,988 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-12 11:15:10,988 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-12 11:15:10,988 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-12 11:15:11,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-12 11:15:11,001 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-12 11:15:11,013 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-12 11:15:11,059 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,063 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,065 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,076 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,120 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,121 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,121 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,122 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,122 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,122 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,122 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,123 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,123 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,123 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,124 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,125 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,125 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,126 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,126 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,127 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,127 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,132 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,132 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,141 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,142 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,142 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:11,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:15:11,305 INFO L208 MainTranslator]: Completed translation [2022-07-12 11:15:11,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11 WrapperNode [2022-07-12 11:15:11,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 11:15:11,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 11:15:11,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 11:15:11,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 11:15:11,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,464 INFO L137 Inliner]: procedures = 697, calls = 1905, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 840 [2022-07-12 11:15:11,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 11:15:11,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 11:15:11,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 11:15:11,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 11:15:11,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 11:15:11,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 11:15:11,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 11:15:11,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 11:15:11,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (1/1) ... [2022-07-12 11:15:11,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:15:11,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:15:11,588 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) [2022-07-12 11:15:11,632 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 [2022-07-12 11:15:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-07-12 11:15:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-07-12 11:15:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-07-12 11:15:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-07-12 11:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 11:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-12 11:15:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-12 11:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-12 11:15:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-12 11:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-12 11:15:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-12 11:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 11:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-12 11:15:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-12 11:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-12 11:15:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-12 11:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 11:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 11:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 11:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-07-12 11:15:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-07-12 11:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 11:15:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 11:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-12 11:15:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-12 11:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-07-12 11:15:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-07-12 11:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-12 11:15:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-12 11:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-12 11:15:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-12 11:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-07-12 11:15:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-07-12 11:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-12 11:15:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-12 11:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 11:15:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 11:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-07-12 11:15:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-07-12 11:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 11:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 11:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2022-07-12 11:15:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2022-07-12 11:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 11:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-07-12 11:15:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-07-12 11:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-12 11:15:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-12 11:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-12 11:15:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-12 11:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 11:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-12 11:15:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-12 11:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-07-12 11:15:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-07-12 11:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 11:15:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 11:15:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 11:15:11,959 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 11:15:11,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 11:15:12,723 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 11:15:12,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 11:15:12,729 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-12 11:15:12,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:15:12 BoogieIcfgContainer [2022-07-12 11:15:12,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 11:15:12,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 11:15:12,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 11:15:12,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 11:15:12,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 11:15:09" (1/3) ... [2022-07-12 11:15:12,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e405d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:15:12, skipping insertion in model container [2022-07-12 11:15:12,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:11" (2/3) ... [2022-07-12 11:15:12,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e405d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:15:12, skipping insertion in model container [2022-07-12 11:15:12,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:15:12" (3/3) ... [2022-07-12 11:15:12,736 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2022-07-12 11:15:12,746 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 11:15:12,746 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 11:15:12,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 11:15:12,786 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@17bb5ca8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6e1e78dd [2022-07-12 11:15:12,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 11:15:12,789 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) [2022-07-12 11:15:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-12 11:15:12,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:15:12,801 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] [2022-07-12 11:15:12,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:15:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:15:12,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1627804587, now seen corresponding path program 1 times [2022-07-12 11:15:12,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:15:12,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63633404] [2022-07-12 11:15:12,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:12,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:15:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 11:15:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 11:15:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 11:15:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 11:15:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 11:15:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 11:15:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 11:15:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 11:15:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 11:15:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 11:15:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:15:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 11:15:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 11:15:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:15:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 11:15:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 11:15:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 11:15:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 11:15:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 11:15:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 11:15:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 11:15:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 11:15:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 11:15:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 11:15:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 11:15:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 11:15:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-07-12 11:15:13,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:15:13,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63633404] [2022-07-12 11:15:13,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63633404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:15:13,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:15:13,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 11:15:13,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501408245] [2022-07-12 11:15:13,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:15:13,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 11:15:13,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:15:13,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 11:15:13,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 11:15:13,503 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) [2022-07-12 11:15:14,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:15:14,359 INFO L93 Difference]: Finished difference Result 731 states and 1164 transitions. [2022-07-12 11:15:14,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 11:15:14,361 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 [2022-07-12 11:15:14,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:15:14,371 INFO L225 Difference]: With dead ends: 731 [2022-07-12 11:15:14,371 INFO L226 Difference]: Without dead ends: 423 [2022-07-12 11:15:14,377 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 [2022-07-12 11:15:14,379 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 [2022-07-12 11:15:14,380 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] [2022-07-12 11:15:14,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-07-12 11:15:14,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 321. [2022-07-12 11:15:14,436 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) [2022-07-12 11:15:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 439 transitions. [2022-07-12 11:15:14,439 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 439 transitions. Word has length 156 [2022-07-12 11:15:14,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:15:14,440 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 439 transitions. [2022-07-12 11:15:14,440 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) [2022-07-12 11:15:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 439 transitions. [2022-07-12 11:15:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-12 11:15:14,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:15:14,443 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] [2022-07-12 11:15:14,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 11:15:14,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:15:14,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:15:14,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1159929871, now seen corresponding path program 1 times [2022-07-12 11:15:14,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:15:14,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147060608] [2022-07-12 11:15:14,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:14,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:15:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 11:15:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 11:15:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 11:15:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 11:15:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 11:15:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 11:15:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 11:15:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 11:15:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 11:15:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 11:15:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:15:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 11:15:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 11:15:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:15:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 11:15:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 11:15:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 11:15:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 11:15:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 11:15:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 11:15:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 11:15:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 11:15:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 11:15:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 11:15:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 11:15:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 11:15:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-07-12 11:15:14,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:15:14,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147060608] [2022-07-12 11:15:14,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147060608] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 11:15:14,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141563181] [2022-07-12 11:15:14,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:14,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 11:15:14,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:15:14,789 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) [2022-07-12 11:15:14,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 11:15:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 2330 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 11:15:15,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:15:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-12 11:15:15,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:15:15,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141563181] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:15:15,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 11:15:15,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-07-12 11:15:15,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917582722] [2022-07-12 11:15:15,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:15:15,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 11:15:15,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:15:15,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 11:15:15,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-12 11:15:15,221 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) [2022-07-12 11:15:15,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:15:15,395 INFO L93 Difference]: Finished difference Result 596 states and 820 transitions. [2022-07-12 11:15:15,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 11:15:15,395 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 [2022-07-12 11:15:15,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:15:15,398 INFO L225 Difference]: With dead ends: 596 [2022-07-12 11:15:15,398 INFO L226 Difference]: Without dead ends: 323 [2022-07-12 11:15:15,399 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 [2022-07-12 11:15:15,399 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 [2022-07-12 11:15:15,400 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] [2022-07-12 11:15:15,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-07-12 11:15:15,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2022-07-12 11:15:15,415 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) [2022-07-12 11:15:15,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 444 transitions. [2022-07-12 11:15:15,417 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 444 transitions. Word has length 156 [2022-07-12 11:15:15,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:15:15,418 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 444 transitions. [2022-07-12 11:15:15,418 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) [2022-07-12 11:15:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 444 transitions. [2022-07-12 11:15:15,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-12 11:15:15,420 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:15:15,420 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] [2022-07-12 11:15:15,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-12 11:15:15,636 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 [2022-07-12 11:15:15,637 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:15:15,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:15:15,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1288218285, now seen corresponding path program 1 times [2022-07-12 11:15:15,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:15:15,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778271670] [2022-07-12 11:15:15,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:15,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:15:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 11:15:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 11:15:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 11:15:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 11:15:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 11:15:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 11:15:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 11:15:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 11:15:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 11:15:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 11:15:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:15:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 11:15:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 11:15:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:15:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 11:15:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 11:15:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 11:15:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 11:15:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 11:15:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 11:15:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 11:15:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 11:15:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 11:15:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 11:15:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 11:15:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 11:15:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 11:15:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-07-12 11:15:15,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:15:15,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778271670] [2022-07-12 11:15:15,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778271670] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 11:15:15,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439496035] [2022-07-12 11:15:15,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:15,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 11:15:15,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:15:15,980 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) [2022-07-12 11:15:16,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 11:15:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:16,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 2380 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 11:15:16,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:15:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-12 11:15:16,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:15:16,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439496035] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:15:16,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 11:15:16,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2022-07-12 11:15:16,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570349323] [2022-07-12 11:15:16,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:15:16,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 11:15:16,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:15:16,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 11:15:16,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-07-12 11:15:16,441 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) [2022-07-12 11:15:16,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:15:16,746 INFO L93 Difference]: Finished difference Result 619 states and 867 transitions. [2022-07-12 11:15:16,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 11:15:16,746 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 [2022-07-12 11:15:16,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:15:16,749 INFO L225 Difference]: With dead ends: 619 [2022-07-12 11:15:16,749 INFO L226 Difference]: Without dead ends: 344 [2022-07-12 11:15:16,750 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 [2022-07-12 11:15:16,751 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 [2022-07-12 11:15:16,751 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] [2022-07-12 11:15:16,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2022-07-12 11:15:16,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2022-07-12 11:15:16,766 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) [2022-07-12 11:15:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2022-07-12 11:15:16,768 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 164 [2022-07-12 11:15:16,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:15:16,768 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2022-07-12 11:15:16,769 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) [2022-07-12 11:15:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2022-07-12 11:15:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-07-12 11:15:16,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:15:16,771 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] [2022-07-12 11:15:16,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-12 11:15:16,988 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 [2022-07-12 11:15:16,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:15:16,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:15:16,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1645223367, now seen corresponding path program 1 times [2022-07-12 11:15:16,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:15:16,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743578419] [2022-07-12 11:15:16,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:16,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:15:17,044 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 11:15:17,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [706300752] [2022-07-12 11:15:17,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:17,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 11:15:17,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:15:17,050 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) [2022-07-12 11:15:17,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 11:15:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:17,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 11:15:17,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:15:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-12 11:15:17,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:15:17,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:15:17,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743578419] [2022-07-12 11:15:17,504 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 11:15:17,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706300752] [2022-07-12 11:15:17,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706300752] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:15:17,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:15:17,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 11:15:17,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566379272] [2022-07-12 11:15:17,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:15:17,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 11:15:17,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:15:17,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 11:15:17,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 11:15:17,505 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) [2022-07-12 11:15:17,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:15:17,742 INFO L93 Difference]: Finished difference Result 644 states and 916 transitions. [2022-07-12 11:15:17,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 11:15:17,743 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 [2022-07-12 11:15:17,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:15:17,745 INFO L225 Difference]: With dead ends: 644 [2022-07-12 11:15:17,745 INFO L226 Difference]: Without dead ends: 350 [2022-07-12 11:15:17,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-12 11:15:17,746 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 [2022-07-12 11:15:17,747 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] [2022-07-12 11:15:17,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-07-12 11:15:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 342. [2022-07-12 11:15:17,781 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) [2022-07-12 11:15:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2022-07-12 11:15:17,784 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 179 [2022-07-12 11:15:17,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:15:17,784 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2022-07-12 11:15:17,784 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) [2022-07-12 11:15:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2022-07-12 11:15:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-12 11:15:17,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:15:17,787 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] [2022-07-12 11:15:17,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 11:15:18,007 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 [2022-07-12 11:15:18,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:15:18,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:15:18,008 INFO L85 PathProgramCache]: Analyzing trace with hash 706739126, now seen corresponding path program 1 times [2022-07-12 11:15:18,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:15:18,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280425649] [2022-07-12 11:15:18,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:18,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:15:18,102 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 11:15:18,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229682743] [2022-07-12 11:15:18,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:18,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 11:15:18,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:15:18,104 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) [2022-07-12 11:15:18,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 11:15:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:15:18,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 11:15:18,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:15:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-07-12 11:15:18,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:15:18,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:15:18,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280425649] [2022-07-12 11:15:18,569 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 11:15:18,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229682743] [2022-07-12 11:15:18,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229682743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:15:18,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:15:18,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 11:15:18,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235838158] [2022-07-12 11:15:18,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:15:18,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 11:15:18,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:15:18,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 11:15:18,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 11:15:18,571 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) [2022-07-12 11:15:18,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:15:18,933 INFO L93 Difference]: Finished difference Result 654 states and 929 transitions. [2022-07-12 11:15:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 11:15:18,934 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 [2022-07-12 11:15:18,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:15:18,936 INFO L225 Difference]: With dead ends: 654 [2022-07-12 11:15:18,936 INFO L226 Difference]: Without dead ends: 360 [2022-07-12 11:15:18,938 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 [2022-07-12 11:15:18,938 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 [2022-07-12 11:15:18,938 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] [2022-07-12 11:15:18,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-07-12 11:15:18,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 342. [2022-07-12 11:15:18,950 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) [2022-07-12 11:15:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2022-07-12 11:15:18,952 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 195 [2022-07-12 11:15:18,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:15:18,952 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2022-07-12 11:15:18,953 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) [2022-07-12 11:15:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2022-07-12 11:15:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-12 11:15:18,954 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:15:18,954 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] [2022-07-12 11:15:18,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 11:15:19,175 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 [2022-07-12 11:15:19,175 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:15:19,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:15:19,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1820952612, now seen corresponding path program 2 times [2022-07-12 11:15:19,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:15:19,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276653392] [2022-07-12 11:15:19,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:15:19,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:15:19,242 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 11:15:19,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952788428] [2022-07-12 11:15:19,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 11:15:19,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 11:15:19,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:15:19,244 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) [2022-07-12 11:15:19,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 11:15:19,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-12 11:15:19,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 11:15:19,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 245 conjunts are in the unsatisfiable core [2022-07-12 11:15:19,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:15:19,938 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 [2022-07-12 11:15:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 11:15:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 11:15:19,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 11:15:19,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 11:15:19,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 11:15:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 11:15:20,026 INFO L356 Elim1Store]: treesize reduction 12, result has 78.9 percent of original size [2022-07-12 11:15:20,027 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 [2022-07-12 11:15:21,406 INFO L356 Elim1Store]: treesize reduction 344, result has 50.1 percent of original size [2022-07-12 11:15:21,409 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 [2022-07-12 11:15:37,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:15:37,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276653392] [2022-07-12 11:15:37,661 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 11:15:37,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952788428] [2022-07-12 11:15:37,662 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-12 11:15:37,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-12 11:15:37,875 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 [2022-07-12 11:15:37,876 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:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:611) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:529) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:180) 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:269) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:255) 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) [2022-07-12 11:15:37,879 INFO L158 Benchmark]: Toolchain (without parser) took 28317.74ms. Allocated memory was 115.3MB in the beginning and 597.7MB in the end (delta: 482.3MB). Free memory was 71.5MB in the beginning and 460.7MB in the end (delta: -389.2MB). Peak memory consumption was 314.3MB. Max. memory is 16.1GB. [2022-07-12 11:15:37,879 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 75.5MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:15:37,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1742.80ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 71.3MB in the beginning and 94.8MB in the end (delta: -23.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-07-12 11:15:37,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.58ms. Allocated memory is still 146.8MB. Free memory was 94.8MB in the beginning and 84.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-12 11:15:37,880 INFO L158 Benchmark]: Boogie Preprocessor took 92.00ms. Allocated memory is still 146.8MB. Free memory was 84.3MB in the beginning and 76.8MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 11:15:37,880 INFO L158 Benchmark]: RCFGBuilder took 1169.86ms. Allocated memory is still 146.8MB. Free memory was 76.8MB in the beginning and 55.1MB in the end (delta: 21.6MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-07-12 11:15:37,880 INFO L158 Benchmark]: TraceAbstraction took 25146.86ms. Allocated memory was 146.8MB in the beginning and 597.7MB in the end (delta: 450.9MB). Free memory was 54.2MB in the beginning and 460.7MB in the end (delta: -406.5MB). Peak memory consumption was 265.3MB. Max. memory is 16.1GB. [2022-07-12 11:15:37,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 75.5MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1742.80ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 71.3MB in the beginning and 94.8MB in the end (delta: -23.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.58ms. Allocated memory is still 146.8MB. Free memory was 94.8MB in the beginning and 84.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.00ms. Allocated memory is still 146.8MB. Free memory was 84.3MB in the beginning and 76.8MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1169.86ms. Allocated memory is still 146.8MB. Free memory was 76.8MB in the beginning and 55.1MB in the end (delta: 21.6MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * TraceAbstraction took 25146.86ms. Allocated memory was 146.8MB in the beginning and 597.7MB in the end (delta: 450.9MB). Free memory was 54.2MB in the beginning and 460.7MB in the end (delta: -406.5MB). Peak memory consumption was 265.3MB. 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. [2022-07-12 11:15:37,893 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-?-6c24879 [2022-07-12 11:15:39,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 11:15:39,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 11:15:39,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 11:15:39,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 11:15:39,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 11:15:39,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 11:15:39,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 11:15:39,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 11:15:39,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 11:15:39,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 11:15:39,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 11:15:39,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 11:15:39,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 11:15:39,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 11:15:39,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 11:15:39,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 11:15:39,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 11:15:39,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 11:15:39,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 11:15:39,821 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 11:15:39,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 11:15:39,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 11:15:39,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 11:15:39,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 11:15:39,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 11:15:39,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 11:15:39,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 11:15:39,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 11:15:39,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 11:15:39,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 11:15:39,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 11:15:39,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 11:15:39,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 11:15:39,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 11:15:39,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 11:15:39,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 11:15:39,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 11:15:39,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 11:15:39,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 11:15:39,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 11:15:39,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 11:15:39,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 11:15:39,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 11:15:39,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 11:15:39,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 11:15:39,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 11:15:39,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 11:15:39,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 11:15:39,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 11:15:39,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 11:15:39,882 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 11:15:39,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 11:15:39,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 11:15:39,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 11:15:39,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 11:15:39,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 11:15:39,884 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 11:15:39,884 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 11:15:39,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 11:15:39,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 11:15:39,884 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 11:15:39,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 11:15:39,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 11:15:39,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 11:15:39,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 11:15:39,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:15:39,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 11:15:39,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 11:15:39,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 11:15:39,886 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 11:15:39,886 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 11:15:39,886 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 11:15:39,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 11:15:39,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 11:15:39,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 11:15:39,887 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2022-07-12 11:15:40,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 11:15:40,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 11:15:40,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 11:15:40,189 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 11:15:40,191 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 11:15:40,192 INFO L432 ainManager$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 [2022-07-12 11:15:40,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc67a6e4/c4b9c47c9aad401d836b0dd05f3b8824/FLAGf4d53a3fa [2022-07-12 11:15:40,839 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 11:15:40,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-12 11:15:40,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc67a6e4/c4b9c47c9aad401d836b0dd05f3b8824/FLAGf4d53a3fa [2022-07-12 11:15:41,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc67a6e4/c4b9c47c9aad401d836b0dd05f3b8824 [2022-07-12 11:15:41,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 11:15:41,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 11:15:41,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 11:15:41,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 11:15:41,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 11:15:41,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:15:41" (1/1) ... [2022-07-12 11:15:41,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f53d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:15:41, skipping insertion in model container [2022-07-12 11:15:41,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:15:41" (1/1) ... [2022-07-12 11:15:41,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 11:15:41,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 11:15:41,346 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] [2022-07-12 11:15:41,352 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] [2022-07-12 11:15:41,817 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,817 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,817 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,818 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,818 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,826 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,826 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,830 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,830 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,841 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,841 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,842 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:41,842 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:15:42,039 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-12 11:15:42,040 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-12 11:15:42,040 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-12 11:15:42,041 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-12 11:15:42,042 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-12 11:15:42,042 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-12 11:15:42,042 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-12 11:15:42,043 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-12 11:15:42,043 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-12 11:15:42,044 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-12 11:15:42,160 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-12 11:15:42,185 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) [2022-07-12 11:15:42,189 INFO L158 Benchmark]: Toolchain (without parser) took 1152.96ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.7MB in the beginning and 53.6MB in the end (delta: -10.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-07-12 11:15:42,190 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:15:42,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1150.37ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.4MB in the beginning and 53.6MB in the end (delta: -10.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-07-12 11:15:42,192 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 52.4MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1150.37ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.4MB in the beginning and 53.6MB in the end (delta: -10.2MB). Peak memory consumption was 24.6MB. 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