./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 ff03de63 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-dev-ff03de6 [2021-12-21 15:37:07,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:37:07,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:37:07,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:37:07,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:37:07,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:37:07,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:37:07,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:37:07,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:37:07,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:37:07,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:37:07,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:37:07,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:37:07,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:37:07,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:37:07,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:37:07,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:37:07,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:37:07,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:37:07,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:37:07,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:37:07,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:37:07,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:37:07,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:37:07,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:37:07,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:37:07,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:37:07,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:37:07,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:37:07,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:37:07,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:37:07,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:37:07,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:37:07,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:37:07,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:37:07,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:37:07,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:37:07,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:37:07,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:37:07,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:37:07,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:37:07,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 15:37:07,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:37:07,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:37:07,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:37:07,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:37:07,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:37:07,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:37:07,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:37:07,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:37:07,676 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:37:07,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:37:07,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:37:07,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:37:07,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:37:07,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:37:07,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:37:07,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:37:07,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:37:07,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:37:07,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:37:07,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:37:07,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:37:07,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:07,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:37:07,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:37:07,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:37:07,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:37:07,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:37:07,680 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:37:07,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:37:07,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:37:07,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:37:07,680 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2021-12-21 15:37:07,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:37:07,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:37:07,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:37:07,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:37:07,941 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:37:07,942 INFO L432 ainManager$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 [2021-12-21 15:37:07,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf299ef31/607a016542b5451ebe114b69c5ef7523/FLAGe2f8d0b1b [2021-12-21 15:37:08,655 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:37:08,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2021-12-21 15:37:08,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf299ef31/607a016542b5451ebe114b69c5ef7523/FLAGe2f8d0b1b [2021-12-21 15:37:09,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf299ef31/607a016542b5451ebe114b69c5ef7523 [2021-12-21 15:37:09,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:37:09,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:37:09,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:09,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:37:09,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:37:09,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:09" (1/1) ... [2021-12-21 15:37:09,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8faee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:09, skipping insertion in model container [2021-12-21 15:37:09,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:09" (1/1) ... [2021-12-21 15:37:09,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:37:09,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:37:09,330 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] [2021-12-21 15:37:09,336 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] [2021-12-21 15:37:09,956 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,958 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,958 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,960 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,969 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,981 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,983 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,985 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,987 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,991 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,992 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:09,993 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,208 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:10,209 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:10,210 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:10,211 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:10,212 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:10,212 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:10,212 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:10,213 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:10,213 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:10,214 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:10,289 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:10,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,315 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,319 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,356 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,356 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,358 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,358 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,358 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,361 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,362 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,362 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,362 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,364 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,366 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,371 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,372 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,372 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:10,403 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:37:10,411 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] [2021-12-21 15:37:10,412 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] [2021-12-21 15:37:10,455 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,455 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,455 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,456 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,456 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,460 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,462 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,463 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,464 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,487 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:10,499 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:10,500 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:10,500 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:10,501 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:10,501 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:10,502 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:10,502 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:10,503 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:10,503 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:10,529 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:10,545 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,550 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,551 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,555 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,573 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,574 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,574 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,574 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,575 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,575 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,575 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,576 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,576 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,576 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,577 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,577 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,578 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,579 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,579 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,580 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,580 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,582 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,582 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,613 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,614 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,614 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:10,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:10,730 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:37:10,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10 WrapperNode [2021-12-21 15:37:10,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:10,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:10,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:37:10,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:37:10,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:10,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:10,888 INFO L137 Inliner]: procedures = 697, calls = 1905, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 840 [2021-12-21 15:37:10,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:10,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:37:10,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:37:10,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:37:10,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:10,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:10,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:10,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:10,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:10,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:10,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:10,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:37:11,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:37:11,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:37:11,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:37:11,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (1/1) ... [2021-12-21 15:37:11,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:11,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:11,026 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) [2021-12-21 15:37:11,058 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 [2021-12-21 15:37:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2021-12-21 15:37:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2021-12-21 15:37:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-21 15:37:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-21 15:37:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:37:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-21 15:37:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-21 15:37:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-21 15:37:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-21 15:37:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-21 15:37:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-21 15:37:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:37:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-21 15:37:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-21 15:37:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 15:37:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 15:37:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:37:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:37:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:37:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-12-21 15:37:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-12-21 15:37:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:37:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:37:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-21 15:37:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-21 15:37:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2021-12-21 15:37:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2021-12-21 15:37:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-21 15:37:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-21 15:37:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-21 15:37:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-21 15:37:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-12-21 15:37:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-12-21 15:37:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-21 15:37:11,095 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-21 15:37:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 15:37:11,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 15:37:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-12-21 15:37:11,095 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-12-21 15:37:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:37:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 15:37:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2021-12-21 15:37:11,096 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2021-12-21 15:37:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:37:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-12-21 15:37:11,096 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-12-21 15:37:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-21 15:37:11,096 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-21 15:37:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-21 15:37:11,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-21 15:37:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:37:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-21 15:37:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-21 15:37:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-12-21 15:37:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-12-21 15:37:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 15:37:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 15:37:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:37:11,351 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:37:11,352 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:37:12,008 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:37:12,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:37:12,015 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-21 15:37:12,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:37:12 BoogieIcfgContainer [2021-12-21 15:37:12,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:37:12,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:37:12,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:37:12,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:37:12,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:37:09" (1/3) ... [2021-12-21 15:37:12,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79adf230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:37:12, skipping insertion in model container [2021-12-21 15:37:12,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:10" (2/3) ... [2021-12-21 15:37:12,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79adf230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:37:12, skipping insertion in model container [2021-12-21 15:37:12,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:37:12" (3/3) ... [2021-12-21 15:37:12,023 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2021-12-21 15:37:12,026 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:37:12,026 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 15:37:12,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:37:12,062 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:37:12,062 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 15:37:12,078 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) [2021-12-21 15:37:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-21 15:37:12,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:12,088 INFO L514 BasicCegarLoop]: 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] [2021-12-21 15:37:12,088 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:12,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:12,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1627804587, now seen corresponding path program 1 times [2021-12-21 15:37:12,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:12,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808182294] [2021-12-21 15:37:12,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:12,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:37:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 15:37:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 15:37:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 15:37:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 15:37:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 15:37:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-21 15:37:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 15:37:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:37:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 15:37:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 15:37:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:37:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 15:37:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 15:37:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-21 15:37:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 15:37:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 15:37:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-21 15:37:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 15:37:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 15:37:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 15:37:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 15:37:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 15:37:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:12,874 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-12-21 15:37:12,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:12,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808182294] [2021-12-21 15:37:12,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808182294] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:12,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:12,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 15:37:12,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371204039] [2021-12-21 15:37:12,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:12,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 15:37:12,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:12,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 15:37:12,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 15:37:12,902 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) [2021-12-21 15:37:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:13,718 INFO L93 Difference]: Finished difference Result 731 states and 1164 transitions. [2021-12-21 15:37:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 15:37:13,720 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 [2021-12-21 15:37:13,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:13,730 INFO L225 Difference]: With dead ends: 731 [2021-12-21 15:37:13,730 INFO L226 Difference]: Without dead ends: 423 [2021-12-21 15:37:13,736 INFO L932 BasicCegarLoop]: 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 [2021-12-21 15:37:13,738 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 127 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 647 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 [2021-12-21 15:37:13,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 647 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 15:37:13,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2021-12-21 15:37:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 321. [2021-12-21 15:37:13,790 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) [2021-12-21 15:37:13,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 439 transitions. [2021-12-21 15:37:13,793 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 439 transitions. Word has length 156 [2021-12-21 15:37:13,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:13,794 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 439 transitions. [2021-12-21 15:37:13,794 INFO L471 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) [2021-12-21 15:37:13,794 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 439 transitions. [2021-12-21 15:37:13,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-21 15:37:13,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:13,797 INFO L514 BasicCegarLoop]: 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] [2021-12-21 15:37:13,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:37:13,798 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:13,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1159929871, now seen corresponding path program 1 times [2021-12-21 15:37:13,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:13,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945742161] [2021-12-21 15:37:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:13,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:37:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 15:37:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 15:37:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 15:37:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 15:37:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 15:37:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-21 15:37:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 15:37:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:37:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 15:37:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 15:37:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:37:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 15:37:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 15:37:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-21 15:37:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 15:37:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 15:37:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-21 15:37:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 15:37:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 15:37:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 15:37:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 15:37:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 15:37:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-12-21 15:37:14,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:14,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945742161] [2021-12-21 15:37:14,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945742161] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:14,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627296029] [2021-12-21 15:37:14,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:14,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:14,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:14,176 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) [2021-12-21 15:37:14,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 15:37:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:14,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 2330 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-21 15:37:14,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-12-21 15:37:14,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:14,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627296029] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:14,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:14,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2021-12-21 15:37:14,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230332105] [2021-12-21 15:37:14,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:14,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:37:14,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:14,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:37:14,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:14,876 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) [2021-12-21 15:37:15,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:15,127 INFO L93 Difference]: Finished difference Result 596 states and 820 transitions. [2021-12-21 15:37:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 15:37:15,128 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 [2021-12-21 15:37:15,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:15,130 INFO L225 Difference]: With dead ends: 596 [2021-12-21 15:37:15,130 INFO L226 Difference]: Without dead ends: 323 [2021-12-21 15:37:15,131 INFO L932 BasicCegarLoop]: 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 [2021-12-21 15:37:15,132 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 456 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:15,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 1503 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 15:37:15,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-12-21 15:37:15,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2021-12-21 15:37:15,150 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) [2021-12-21 15:37:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 444 transitions. [2021-12-21 15:37:15,152 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 444 transitions. Word has length 156 [2021-12-21 15:37:15,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:15,153 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 444 transitions. [2021-12-21 15:37:15,153 INFO L471 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) [2021-12-21 15:37:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 444 transitions. [2021-12-21 15:37:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-21 15:37:15,154 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:15,155 INFO L514 BasicCegarLoop]: 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] [2021-12-21 15:37:15,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:15,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:15,376 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:15,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:15,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1288218285, now seen corresponding path program 1 times [2021-12-21 15:37:15,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:15,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781002131] [2021-12-21 15:37:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:15,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:37:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 15:37:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 15:37:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 15:37:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 15:37:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 15:37:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-21 15:37:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 15:37:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:37:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 15:37:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 15:37:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:37:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 15:37:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 15:37:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 15:37:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 15:37:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 15:37:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-21 15:37:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-21 15:37:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-21 15:37:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 15:37:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-12-21 15:37:15,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:15,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781002131] [2021-12-21 15:37:15,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781002131] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:15,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978028996] [2021-12-21 15:37:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:15,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:15,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:15,788 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) [2021-12-21 15:37:15,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 15:37:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:16,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 2380 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:16,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-12-21 15:37:16,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:16,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978028996] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:16,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:16,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2021-12-21 15:37:16,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690643236] [2021-12-21 15:37:16,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:16,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:37:16,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:16,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:37:16,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2021-12-21 15:37:16,419 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) [2021-12-21 15:37:16,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:16,721 INFO L93 Difference]: Finished difference Result 619 states and 867 transitions. [2021-12-21 15:37:16,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:16,722 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 [2021-12-21 15:37:16,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:16,724 INFO L225 Difference]: With dead ends: 619 [2021-12-21 15:37:16,724 INFO L226 Difference]: Without dead ends: 344 [2021-12-21 15:37:16,726 INFO L932 BasicCegarLoop]: 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 [2021-12-21 15:37:16,726 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 518 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:16,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [542 Valid, 2169 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 15:37:16,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-12-21 15:37:16,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2021-12-21 15:37:16,742 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) [2021-12-21 15:37:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2021-12-21 15:37:16,744 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 164 [2021-12-21 15:37:16,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:16,745 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2021-12-21 15:37:16,745 INFO L471 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) [2021-12-21 15:37:16,745 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2021-12-21 15:37:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-21 15:37:16,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:16,747 INFO L514 BasicCegarLoop]: 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] [2021-12-21 15:37:16,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:16,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-12-21 15:37:16,968 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:16,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:16,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1645223367, now seen corresponding path program 1 times [2021-12-21 15:37:16,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:16,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064703841] [2021-12-21 15:37:16,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:16,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:17,013 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-21 15:37:17,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441967772] [2021-12-21 15:37:17,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:17,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:17,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:17,033 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) [2021-12-21 15:37:17,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 15:37:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:17,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:17,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-12-21 15:37:17,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:17,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:17,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064703841] [2021-12-21 15:37:17,709 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-21 15:37:17,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441967772] [2021-12-21 15:37:17,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441967772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:17,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:17,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:37:17,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601394766] [2021-12-21 15:37:17,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:17,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:17,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:17,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:17,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:37:17,711 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) [2021-12-21 15:37:17,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:17,935 INFO L93 Difference]: Finished difference Result 644 states and 916 transitions. [2021-12-21 15:37:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:17,936 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 [2021-12-21 15:37:17,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:17,938 INFO L225 Difference]: With dead ends: 644 [2021-12-21 15:37:17,938 INFO L226 Difference]: Without dead ends: 350 [2021-12-21 15:37:17,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:17,940 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 480 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:17,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 1847 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 15:37:17,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-12-21 15:37:17,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 342. [2021-12-21 15:37:17,954 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) [2021-12-21 15:37:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2021-12-21 15:37:17,956 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 179 [2021-12-21 15:37:17,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:17,956 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2021-12-21 15:37:17,957 INFO L471 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) [2021-12-21 15:37:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2021-12-21 15:37:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-21 15:37:17,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:17,959 INFO L514 BasicCegarLoop]: 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] [2021-12-21 15:37:17,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:18,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:18,180 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:18,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:18,181 INFO L85 PathProgramCache]: Analyzing trace with hash 706739126, now seen corresponding path program 1 times [2021-12-21 15:37:18,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:18,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587947108] [2021-12-21 15:37:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:18,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:18,237 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-21 15:37:18,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538876677] [2021-12-21 15:37:18,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:18,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:18,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:18,239 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) [2021-12-21 15:37:18,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 15:37:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:18,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-21 15:37:18,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-12-21 15:37:18,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:18,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:18,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587947108] [2021-12-21 15:37:18,934 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-21 15:37:18,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538876677] [2021-12-21 15:37:18,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538876677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:18,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:18,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 15:37:18,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793698062] [2021-12-21 15:37:18,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:18,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 15:37:18,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:18,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 15:37:18,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-21 15:37:18,936 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) [2021-12-21 15:37:19,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:19,331 INFO L93 Difference]: Finished difference Result 654 states and 929 transitions. [2021-12-21 15:37:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:37:19,332 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 [2021-12-21 15:37:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:19,334 INFO L225 Difference]: With dead ends: 654 [2021-12-21 15:37:19,335 INFO L226 Difference]: Without dead ends: 360 [2021-12-21 15:37:19,336 INFO L932 BasicCegarLoop]: 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 [2021-12-21 15:37:19,337 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 551 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2482 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:19,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [575 Valid, 2482 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 15:37:19,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-12-21 15:37:19,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 342. [2021-12-21 15:37:19,350 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) [2021-12-21 15:37:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2021-12-21 15:37:19,352 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 195 [2021-12-21 15:37:19,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:19,352 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2021-12-21 15:37:19,352 INFO L471 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) [2021-12-21 15:37:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2021-12-21 15:37:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-21 15:37:19,354 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:19,354 INFO L514 BasicCegarLoop]: 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] [2021-12-21 15:37:19,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:19,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:19,576 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:19,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:19,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1820952612, now seen corresponding path program 2 times [2021-12-21 15:37:19,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:19,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567401068] [2021-12-21 15:37:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:19,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:19,661 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-21 15:37:19,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059071564] [2021-12-21 15:37:19,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 15:37:19,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:19,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:19,662 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) [2021-12-21 15:37:19,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 15:37:20,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 15:37:20,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 15:37:20,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 245 conjunts are in the unsatisfiable core [2021-12-21 15:37:20,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:20,528 INFO L387 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 [2021-12-21 15:37:20,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:37:20,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:37:20,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:37:20,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:37:20,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:37:20,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:37:20,606 INFO L353 Elim1Store]: treesize reduction 12, result has 78.9 percent of original size [2021-12-21 15:37:20,606 INFO L387 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 [2021-12-21 15:37:22,381 INFO L353 Elim1Store]: treesize reduction 344, result has 50.1 percent of original size [2021-12-21 15:37:22,382 INFO L387 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 [2021-12-21 15:37:42,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:42,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567401068] [2021-12-21 15:37:42,676 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-21 15:37:42,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059071564] [2021-12-21 15:37:42,676 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Requested array size exceeds VM limit [2021-12-21 15:37:42,676 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:42,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-12-21 15:37:42,677 ERROR L172 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2021-12-21 15:37:42,677 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-12-21 15:37:42,682 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 15:37:42,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:42,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:42,902 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-12-21 15:37:42,904 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:37:42,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:37:42 BoogieIcfgContainer [2021-12-21 15:37:42,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:37:42,941 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:37:42,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:37:42,941 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:37:42,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:37:12" (3/4) ... [2021-12-21 15:37:42,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 15:37:42,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:37:42,944 INFO L158 Benchmark]: Toolchain (without parser) took 33921.15ms. Allocated memory was 92.3MB in the beginning and 587.2MB in the end (delta: 494.9MB). Free memory was 55.8MB in the beginning and 408.4MB in the end (delta: -352.7MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. [2021-12-21 15:37:42,944 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 52.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:37:42,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1706.88ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 55.5MB in the beginning and 50.7MB in the end (delta: 4.8MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-12-21 15:37:42,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.93ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 50.7MB in the beginning and 112.0MB in the end (delta: -61.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 15:37:42,945 INFO L158 Benchmark]: Boogie Preprocessor took 110.26ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 104.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 15:37:42,945 INFO L158 Benchmark]: RCFGBuilder took 1015.79ms. Allocated memory is still 163.6MB. Free memory was 104.5MB in the beginning and 91.6MB in the end (delta: 12.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-12-21 15:37:42,945 INFO L158 Benchmark]: TraceAbstraction took 30922.65ms. Allocated memory was 163.6MB in the beginning and 587.2MB in the end (delta: 423.6MB). Free memory was 90.6MB in the beginning and 408.4MB in the end (delta: -317.9MB). Peak memory consumption was 105.8MB. Max. memory is 16.1GB. [2021-12-21 15:37:42,946 INFO L158 Benchmark]: Witness Printer took 2.77ms. Allocated memory is still 587.2MB. Free memory is still 408.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:37:42,947 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 92.3MB. Free memory was 52.2MB in the beginning and 52.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1706.88ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 55.5MB in the beginning and 50.7MB in the end (delta: 4.8MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.93ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 50.7MB in the beginning and 112.0MB in the end (delta: -61.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.26ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 104.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1015.79ms. Allocated memory is still 163.6MB. Free memory was 104.5MB in the beginning and 91.6MB in the end (delta: 12.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * TraceAbstraction took 30922.65ms. Allocated memory was 163.6MB in the beginning and 587.2MB in the end (delta: 423.6MB). Free memory was 90.6MB in the beginning and 408.4MB in the end (delta: -317.9MB). Peak memory consumption was 105.8MB. Max. memory is 16.1GB. * Witness Printer took 2.77ms. Allocated memory is still 587.2MB. Free memory is still 408.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint, overapproximation of large string literal at line 7793, overapproximation of __builtin_umull_overflow at line 255. Possible FailurePath: [L6915-L6920] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7360] static __thread int tl_last_error = 0; [L7792-L7940] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L7943-L7946] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L7948-L7957] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L7959-L7962] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L7964-L7968] static _Bool s_common_library_initialized = 0 ; [L8486] CALL aws_priority_queue_s_sift_down_harness() [L8456-L8457] struct aws_priority_queue queue = {0, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}}; [L8456] CALL, EXPR nondet_size_t() [L263] return __VERIFIER_nondet_ulong(); [L8456] RET, EXPR nondet_size_t() [L8456-L8457] struct aws_priority_queue queue = {0, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}}; [L8456] CALL, EXPR nondet_size_t() [L263] return __VERIFIER_nondet_ulong(); [L8456] RET, EXPR nondet_size_t() [L8456-L8457] struct aws_priority_queue queue = {0, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}}; [L8456] CALL, EXPR nondet_size_t() [L263] return __VERIFIER_nondet_ulong(); [L8456] RET, EXPR nondet_size_t() [L8456-L8457] struct aws_priority_queue queue = {0, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}}; [L8457] CALL, EXPR nondet_size_t() [L263] return __VERIFIER_nondet_ulong(); [L8457] RET, EXPR nondet_size_t() [L8456-L8457] struct aws_priority_queue queue = {0, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}}; [L8457] CALL, EXPR nondet_size_t() [L263] return __VERIFIER_nondet_ulong(); [L8457] RET, EXPR nondet_size_t() [L8456-L8457] struct aws_priority_queue queue = {0, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}}; [L8457] CALL, EXPR nondet_size_t() [L263] return __VERIFIER_nondet_ulong(); [L8457] RET, EXPR nondet_size_t() [L8456-L8457] struct aws_priority_queue queue = {0, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}, {0, nondet_size_t(), nondet_size_t(), nondet_size_t(), 0}}; [L8460] CALL, EXPR aws_priority_queue_is_bounded(&queue, 5, 2) [L6791] CALL, EXPR aws_array_list_is_bounded(&queue->container, max_initial_item_allocation, max_item_size) [L6735] EXPR list->item_size [L6734-L6735] _Bool item_size_is_bounded = list->item_size <= max_item_size; [L6738] EXPR list->length [L6737-L6738] _Bool length_is_bounded = list->length <= max_initial_item_allocation; [L6739] return item_size_is_bounded && length_is_bounded; [L6791] RET, EXPR aws_array_list_is_bounded(&queue->container, max_initial_item_allocation, max_item_size) [L6789-L6791] _Bool container_is_bounded = aws_array_list_is_bounded(&queue->container, max_initial_item_allocation, max_item_size); [L6798-L6799] CALL, EXPR aws_array_list_is_bounded( &queue->backpointers, max_initial_item_allocation, sizeof(struct aws_priority_queue_node *)) [L6735] EXPR list->item_size [L6734-L6735] _Bool item_size_is_bounded = list->item_size <= max_item_size; [L6738] EXPR list->length [L6737-L6738] _Bool length_is_bounded = list->length <= max_initial_item_allocation; [L6739] return item_size_is_bounded && length_is_bounded; [L6798-L6799] RET, EXPR aws_array_list_is_bounded( &queue->backpointers, max_initial_item_allocation, sizeof(struct aws_priority_queue_node *)) [L6797-L6799] _Bool backpointers_list_is_bounded = aws_array_list_is_bounded( &queue->backpointers, max_initial_item_allocation, sizeof(struct aws_priority_queue_node *)); [L6800] return container_is_bounded && backpointers_list_is_bounded; [L8460] RET, EXPR aws_priority_queue_is_bounded(&queue, 5, 2) [L8460] CALL assume_abort_if_not(aws_priority_queue_is_bounded(&queue, 5, 2)) [L211] COND FALSE !(!cond) [L8460] RET assume_abort_if_not(aws_priority_queue_is_bounded(&queue, 5, 2)) [L8461] CALL ensure_priority_queue_has_allocated_members(&queue) [L6804] CALL ensure_array_list_has_allocated_data_member(&queue->container) [L6743] EXPR list->current_size [L6743] list->current_size == 0 && list->length == 0 [L6743] EXPR list->length [L6743] list->current_size == 0 && list->length == 0 [L6743] COND TRUE list->current_size == 0 && list->length == 0 [L6744] EXPR list->data [L6744-L6746] CALL assume_abort_if_not(list->data == ((void *)0) ) [L211] COND FALSE !(!cond) [L6744-L6746] RET assume_abort_if_not(list->data == ((void *)0) ) [L6747] CALL, EXPR can_fail_allocator() [L6939] return &s_can_fail_allocator_static; [L6747] RET, EXPR can_fail_allocator() [L6747] list->alloc = can_fail_allocator() [L6804] RET ensure_array_list_has_allocated_data_member(&queue->container) [L6805] CALL ensure_array_list_has_allocated_data_member(&queue->backpointers) [L6743] EXPR list->current_size [L6743] list->current_size == 0 && list->length == 0 [L6743] EXPR list->length [L6743] list->current_size == 0 && list->length == 0 [L6743] COND TRUE list->current_size == 0 && list->length == 0 [L6744] EXPR list->data [L6744-L6746] CALL assume_abort_if_not(list->data == ((void *)0) ) [L211] COND FALSE !(!cond) [L6744-L6746] RET assume_abort_if_not(list->data == ((void *)0) ) [L6747] CALL, EXPR can_fail_allocator() [L6939] return &s_can_fail_allocator_static; [L6747] RET, EXPR can_fail_allocator() [L6747] list->alloc = can_fail_allocator() [L6805] RET ensure_array_list_has_allocated_data_member(&queue->backpointers) [L6806] queue->pred = nondet_compare [L8461] RET ensure_priority_queue_has_allocated_members(&queue) [L8464] CALL, EXPR aws_priority_queue_is_valid(&queue) [L8284] COND FALSE !(!queue) [L8291] EXPR queue->pred [L8290-L8293] _Bool pred_is_valid = (queue->pred != ((void *)0) ); [L8296] CALL, EXPR aws_array_list_is_valid(&queue->container) [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L2948] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) [L2590] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2498] CALL __CPROVER_overflow_mult(a, b) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] RET __CPROVER_overflow_mult(a, b) [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2948] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L8296] RET, EXPR aws_array_list_is_valid(&queue->container) [L8295-L8296] _Bool container_is_valid = aws_array_list_is_valid(&queue->container); [L8300] CALL, EXPR aws_priority_queue_backpointers_valid(queue) [L8225] COND FALSE !(!queue) [L8235] CALL, EXPR aws_array_list_is_valid(&queue->backpointers) [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L2948] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) [L2590] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2498] CALL __CPROVER_overflow_mult(a, b) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] RET __CPROVER_overflow_mult(a, b) [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2948] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L8235] RET, EXPR aws_array_list_is_valid(&queue->backpointers) [L8235] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) [L8235] EXPR queue->backpointers.current_size [L8235] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) [L8235-L8238] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ) [L8236] EXPR queue->backpointers.data [L8235-L8238] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ) [L8233-L8238] _Bool backpointer_list_is_valid = ((aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ))); [L8246] EXPR queue->backpointers.item_size [L8245-L8246] _Bool backpointer_list_item_size = queue->backpointers.item_size == sizeof(struct aws_priority_queue_node *); [L8249] EXPR queue->backpointers.length [L8249] EXPR queue->container.length [L8248-L8249] _Bool lists_equal_lengths = queue->backpointers.length == queue->container.length; [L8252] EXPR queue->backpointers.current_size [L8251-L8252] _Bool backpointers_non_zero_current_size = queue->backpointers.current_size > 0; [L8260-L8263] _Bool backpointers_valid_deep = 1 ; [L8268] EXPR queue->backpointers.current_size [L8268] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 [L8268] EXPR queue->backpointers.length [L8268] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 [L8268-L8269] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) [L8268] EXPR queue->backpointers.data [L8268-L8269] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) [L8266-L8270] _Bool backpointers_zero = (queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) ); [L8272-L8275] _Bool backpointer_struct_is_valid = backpointers_zero || (backpointer_list_item_size && lists_equal_lengths && backpointers_non_zero_current_size && backpointers_valid_deep); [L8277] EXPR (backpointer_list_is_valid && backpointer_struct_is_valid) || aws_is_mem_zeroed(&(queue->backpointers), sizeof(queue->backpointers)) [L8277] return ((backpointer_list_is_valid && backpointer_struct_is_valid) || aws_is_mem_zeroed(&(queue->backpointers), sizeof(queue->backpointers))); [L8300] RET, EXPR aws_priority_queue_backpointers_valid(queue) [L8299-L8300] _Bool backpointers_valid = aws_priority_queue_backpointers_valid(queue); [L8301] return pred_is_valid && container_is_valid && backpointers_valid; [L8464] RET, EXPR aws_priority_queue_is_valid(&queue) [L8464] CALL assume_abort_if_not(aws_priority_queue_is_valid(&queue)) [L211] COND FALSE !(!cond) [L8464] RET assume_abort_if_not(aws_priority_queue_is_valid(&queue)) [L8465] CALL, EXPR nondet_size_t() [L263] return __VERIFIER_nondet_ulong(); [L8465] RET, EXPR nondet_size_t() [L8465] size_t root = nondet_size_t(); [L8466] EXPR queue.container.length [L8466] CALL assume_abort_if_not(root < queue.container.length) [L211] COND FALSE !(!cond) [L8466] RET assume_abort_if_not(root < queue.container.length) [L8468] queue.backpointers.data [L8468] COND FALSE !(queue.backpointers.data) [L8480] CALL s_sift_down(&queue, root) [L8019] CALL, EXPR aws_priority_queue_is_valid(queue) [L8284] COND TRUE !queue [L8285-L8287] return 0 ; [L8019] RET, EXPR aws_priority_queue_is_valid(queue) [L8019] CALL assume_abort_if_not((aws_priority_queue_is_valid(queue))) [L211] COND FALSE !(!cond) [L8019] RET assume_abort_if_not((aws_priority_queue_is_valid(queue))) [L8020] EXPR queue->container.length [L8020] CALL assume_abort_if_not((root < queue->container.length)) [L211] COND FALSE !(!cond) [L8020] RET assume_abort_if_not((root < queue->container.length)) [L8023-L8026] _Bool did_move = 0 ; [L8028] CALL aws_array_list_length(&queue->container) [L3169] EXPR list->length [L3169] EXPR !list->length || list->data [L3169] CALL assume_abort_if_not((!list->length || list->data)) [L211] COND FALSE !(!cond) [L3169] RET assume_abort_if_not((!list->length || list->data)) [L3170] CALL, EXPR aws_array_list_is_valid(list) [L2939] COND TRUE !list [L2940-L2942] return 0 ; [L3170] RET, EXPR aws_array_list_is_valid(list) [L3170] CALL assume_abort_if_not((aws_array_list_is_valid(list))) [L211] COND FALSE !(!cond) [L3170] RET assume_abort_if_not((aws_array_list_is_valid(list))) [L3171] EXPR list->length [L3171] size_t len = list->length; [L3172] CALL, EXPR aws_array_list_is_valid(list) [L2939] COND TRUE !list [L2940-L2942] return 0 ; [L3172] RET, EXPR aws_array_list_is_valid(list) [L3172] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) [L223] COND TRUE !cond [L223] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 326 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.8s, OverallIterations: 6, TraceHistogramMax: 9, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2236 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2132 mSDsluCounter, 8648 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6714 mSDsCounter, 356 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1744 IncrementalHoareTripleChecker+Invalid, 2100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 356 mSolverCounterUnsat, 1934 mSDtfsCounter, 1744 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 895 GetRequests, 838 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=342occurred in iteration=3, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 24.8s InterpolantComputationTime, 1380 NumberOfCodeBlocks, 1380 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1163 ConstructedInterpolants, 0 QuantifiedInterpolants, 1974 SizeOfPredicates, 14 NumberOfNonLiveVariables, 12558 ConjunctsInSsa, 273 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1643/1654 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-21 15:37:42,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-dev-ff03de6 [2021-12-21 15:37:44,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:37:44,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:37:44,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:37:44,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:37:44,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:37:44,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:37:44,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:37:44,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:37:44,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:37:44,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:37:44,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:37:44,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:37:44,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:37:44,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:37:44,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:37:44,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:37:44,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:37:44,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:37:44,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:37:44,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:37:44,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:37:44,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:37:44,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:37:44,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:37:44,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:37:44,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:37:44,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:37:44,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:37:44,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:37:44,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:37:44,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:37:44,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:37:44,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:37:44,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:37:44,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:37:44,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:37:44,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:37:44,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:37:44,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:37:44,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:37:44,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-21 15:37:44,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:37:44,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:37:44,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:37:44,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:37:44,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:37:44,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:37:44,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:37:44,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:37:44,849 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:37:44,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:37:44,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:37:44,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:37:44,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:37:44,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:37:44,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 15:37:44,850 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 15:37:44,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 15:37:44,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:37:44,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:37:44,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:37:44,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:37:44,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:37:44,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:37:44,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:44,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:37:44,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:37:44,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:37:44,852 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 15:37:44,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 15:37:44,853 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:37:44,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:37:44,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:37:44,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:37:44,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 15:37:44,854 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2021-12-21 15:37:45,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:37:45,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:37:45,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:37:45,151 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:37:45,152 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:37:45,153 INFO L432 ainManager$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 [2021-12-21 15:37:45,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0874f50e8/dfa4be80b35e4115af5ae7d37dc4f927/FLAG155041ba8 [2021-12-21 15:37:45,828 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:37:45,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2021-12-21 15:37:45,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0874f50e8/dfa4be80b35e4115af5ae7d37dc4f927/FLAG155041ba8 [2021-12-21 15:37:46,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0874f50e8/dfa4be80b35e4115af5ae7d37dc4f927 [2021-12-21 15:37:46,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:37:46,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:37:46,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:46,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:37:46,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:37:46,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:46" (1/1) ... [2021-12-21 15:37:46,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f632474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:46, skipping insertion in model container [2021-12-21 15:37:46,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:46" (1/1) ... [2021-12-21 15:37:46,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:37:46,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:37:46,504 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] [2021-12-21 15:37:46,508 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] [2021-12-21 15:37:46,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,956 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,956 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,956 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,978 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,978 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,979 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,979 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,980 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,981 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,981 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:46,982 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,221 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:47,223 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:47,226 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:47,227 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:47,228 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:47,229 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:47,230 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:47,230 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:47,238 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:47,240 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:47,430 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:47,474 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,479 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,482 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,505 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,602 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,604 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,604 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,604 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,605 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,605 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,605 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,606 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,606 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,606 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,606 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,607 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,607 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,609 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,609 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,609 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,609 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,615 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,615 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,631 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,631 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:47,685 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-21 15:37:47,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:37:47,708 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] [2021-12-21 15:37:47,709 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] [2021-12-21 15:37:47,745 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,745 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,746 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,746 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,746 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,750 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,750 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,751 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,751 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,752 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,752 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,752 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,752 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,770 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:47,771 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:47,771 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:47,772 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:47,772 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:47,772 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:47,773 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:47,773 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:47,773 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:47,774 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:47,785 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:47,793 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,794 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,794 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,797 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,826 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,827 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,827 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,827 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,828 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,828 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,828 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,830 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,830 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,830 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,837 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,837 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:47,849 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:37:47,857 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] [2021-12-21 15:37:47,858 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] [2021-12-21 15:37:47,874 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,875 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,875 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,875 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,876 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,879 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,879 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,879 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,880 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,880 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,880 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,881 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,881 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,913 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:47,914 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:47,914 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:47,914 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:47,915 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:47,915 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:47,916 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:47,916 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:47,916 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:47,917 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:47,931 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:47,940 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,940 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,964 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,966 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,966 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,999 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:47,999 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,001 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,016 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,017 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,019 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,019 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,023 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,023 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,023 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:48,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:48,215 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:37:48,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48 WrapperNode [2021-12-21 15:37:48,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:48,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:48,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:37:48,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:37:48,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,325 INFO L137 Inliner]: procedures = 717, calls = 1905, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 834 [2021-12-21 15:37:48,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:48,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:37:48,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:37:48,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:37:48,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:37:48,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:37:48,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:37:48,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:37:48,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:48" (1/1) ... [2021-12-21 15:37:48,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:48,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:48,464 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) [2021-12-21 15:37:48,481 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 [2021-12-21 15:37:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2021-12-21 15:37:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2021-12-21 15:37:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-21 15:37:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-21 15:37:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:37:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-21 15:37:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-21 15:37:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-21 15:37:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-21 15:37:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-21 15:37:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-21 15:37:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 15:37:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-21 15:37:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-21 15:37:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-21 15:37:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-21 15:37:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 15:37:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 15:37:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-21 15:37:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-21 15:37:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:37:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:37:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:37:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-12-21 15:37:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-12-21 15:37:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:37:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:37:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-21 15:37:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-21 15:37:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-21 15:37:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-21 15:37:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2021-12-21 15:37:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2021-12-21 15:37:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-21 15:37:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-21 15:37:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-21 15:37:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-21 15:37:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-12-21 15:37:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-12-21 15:37:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-21 15:37:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-21 15:37:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 15:37:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 15:37:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-12-21 15:37:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-12-21 15:37:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:37:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 15:37:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-21 15:37:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-21 15:37:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2021-12-21 15:37:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2021-12-21 15:37:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:37:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-12-21 15:37:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-12-21 15:37:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-21 15:37:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-21 15:37:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-21 15:37:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-21 15:37:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-21 15:37:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-21 15:37:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-12-21 15:37:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-12-21 15:37:48,727 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:37:48,730 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:37:50,269 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: Not a regular bitvector operator with bitvector result: bvshl at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:296) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:291) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:217) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1490) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:405) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:231) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateToTerm(Expression2Term.java:120) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.addAssume(Statements2TransFormula.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:701) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-21 15:37:50,272 INFO L158 Benchmark]: Toolchain (without parser) took 4038.36ms. Allocated memory was 69.2MB in the beginning and 167.8MB in the end (delta: 98.6MB). Free memory was 50.3MB in the beginning and 84.4MB in the end (delta: -34.1MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. [2021-12-21 15:37:50,272 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:37:50,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1982.43ms. Allocated memory was 69.2MB in the beginning and 127.9MB in the end (delta: 58.7MB). Free memory was 49.9MB in the beginning and 66.3MB in the end (delta: -16.4MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2021-12-21 15:37:50,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.66ms. Allocated memory is still 127.9MB. Free memory was 66.3MB in the beginning and 54.9MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 15:37:50,273 INFO L158 Benchmark]: Boogie Preprocessor took 113.49ms. Allocated memory is still 127.9MB. Free memory was 54.9MB in the beginning and 46.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 15:37:50,274 INFO L158 Benchmark]: RCFGBuilder took 1830.75ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 46.5MB in the beginning and 84.4MB in the end (delta: -37.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-12-21 15:37:50,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1982.43ms. Allocated memory was 69.2MB in the beginning and 127.9MB in the end (delta: 58.7MB). Free memory was 49.9MB in the beginning and 66.3MB in the end (delta: -16.4MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.66ms. Allocated memory is still 127.9MB. Free memory was 66.3MB in the beginning and 54.9MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.49ms. Allocated memory is still 127.9MB. Free memory was 54.9MB in the beginning and 46.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1830.75ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 46.5MB in the beginning and 84.4MB in the end (delta: -37.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: Not a regular bitvector operator with bitvector result: bvshl: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 15:37:50,334 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl