./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:54:23,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:54:23,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:54:23,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:54:23,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:54:23,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:54:23,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:54:23,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:54:23,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:54:23,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:54:23,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:54:23,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:54:23,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:54:23,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:54:23,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:54:23,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:54:23,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:54:23,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:54:23,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:54:23,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:54:23,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:54:23,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:54:23,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:54:23,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:54:23,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:54:23,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:54:23,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:54:23,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:54:23,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:54:23,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:54:23,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:54:23,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:54:23,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:54:23,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:54:23,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:54:23,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:54:23,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:54:23,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:54:23,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:54:23,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:54:23,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:54:23,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:54:23,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:54:23,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:54:23,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:54:23,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:54:23,831 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:54:23,831 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:54:23,831 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:54:23,831 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:54:23,831 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:54:23,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:54:23,833 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:54:23,833 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:54:23,833 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:54:23,834 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:54:23,834 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:54:23,834 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:54:23,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:54:23,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:54:23,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:54:23,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:54:23,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:54:23,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:54:23,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:54:23,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:54:23,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:54:23,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:54:23,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:54:23,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:54:23,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:23,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:54:23,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:54:23,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:54:23,840 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:54:23,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:54:23,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:54:23,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:54:23,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:54:23,841 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2021-11-12 22:54:24,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:54:24,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:54:24,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:54:24,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:54:24,128 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:54:24,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2021-11-12 22:54:24,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data/674238b00/a8e1073e340c471db97d45a337b2a58f/FLAG7ab990257 [2021-11-12 22:54:25,004 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:54:25,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2021-11-12 22:54:25,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data/674238b00/a8e1073e340c471db97d45a337b2a58f/FLAG7ab990257 [2021-11-12 22:54:25,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data/674238b00/a8e1073e340c471db97d45a337b2a58f [2021-11-12 22:54:25,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:54:25,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:54:25,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:25,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:54:25,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:54:25,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:25" (1/1) ... [2021-11-12 22:54:25,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebd51d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:25, skipping insertion in model container [2021-11-12 22:54:25,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:25" (1/1) ... [2021-11-12 22:54:25,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:54:25,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:25,571 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2021-11-12 22:54:25,579 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2021-11-12 22:54:25,608 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:54:25,617 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:54:26,619 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,620 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,621 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,622 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,623 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,638 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,639 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:26,648 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,033 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:54:27,035 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:54:27,036 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:54:27,037 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:54:27,039 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:54:27,040 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:54:27,041 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:54:27,041 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:54:27,042 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:54:27,043 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:54:27,198 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:54:27,225 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,229 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,235 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,254 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,327 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,328 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,328 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,329 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,329 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,330 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,330 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,331 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,331 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,333 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,336 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,336 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,341 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,341 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,348 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,349 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,350 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:27,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:27,395 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:54:27,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e1ad2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:27, skipping insertion in model container [2021-11-12 22:54:27,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:27,396 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:54:27,398 INFO L158 Benchmark]: Toolchain (without parser) took 2317.59ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 57.6MB in the beginning and 72.5MB in the end (delta: -14.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-12 22:54:27,404 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:54:27,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2312.74ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 57.3MB in the beginning and 72.5MB in the end (delta: -15.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-12 22:54:27,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2312.74ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 57.3MB in the beginning and 72.5MB in the end (delta: -15.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7039]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:54:29,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:54:29,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:54:29,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:54:29,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:54:29,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:54:29,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:54:29,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:54:29,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:54:29,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:54:29,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:54:29,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:54:29,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:54:29,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:54:29,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:54:29,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:54:29,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:54:29,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:54:29,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:54:29,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:54:29,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:54:29,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:54:29,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:54:29,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:54:29,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:54:29,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:54:29,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:54:29,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:54:29,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:54:29,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:54:29,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:54:29,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:54:29,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:54:29,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:54:29,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:54:29,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:54:29,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:54:29,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:54:29,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:54:29,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:54:29,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:54:29,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:54:29,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:54:29,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:54:29,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:54:29,728 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:54:29,729 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:54:29,731 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:54:29,731 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:54:29,732 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:54:29,732 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:54:29,732 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:54:29,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:54:29,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:54:29,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:54:29,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:54:29,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:54:29,736 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:54:29,736 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:54:29,737 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:54:29,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:54:29,737 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:54:29,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:54:29,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:54:29,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:54:29,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:54:29,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:29,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:54:29,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:54:29,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:54:29,739 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:54:29,739 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:54:29,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:54:29,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:54:29,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:54:29,740 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2021-11-12 22:54:30,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:54:30,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:54:30,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:54:30,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:54:30,124 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:54:30,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2021-11-12 22:54:30,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data/0be9bec5c/26e9649e66d34f6486296ab0ce5d183d/FLAG963667796 [2021-11-12 22:54:31,122 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:54:31,123 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2021-11-12 22:54:31,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data/0be9bec5c/26e9649e66d34f6486296ab0ce5d183d/FLAG963667796 [2021-11-12 22:54:31,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/data/0be9bec5c/26e9649e66d34f6486296ab0ce5d183d [2021-11-12 22:54:31,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:54:31,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:54:31,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:31,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:54:31,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:54:31,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:31" (1/1) ... [2021-11-12 22:54:31,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ba52ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:31, skipping insertion in model container [2021-11-12 22:54:31,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:31" (1/1) ... [2021-11-12 22:54:31,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:54:31,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:32,040 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2021-11-12 22:54:32,049 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2021-11-12 22:54:32,076 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:54:32,083 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:54:33,033 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,033 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,034 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,035 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,053 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,054 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,057 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,059 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,061 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,062 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,062 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,552 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:54:33,554 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:54:33,555 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:54:33,556 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:54:33,558 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:54:33,559 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:54:33,559 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:54:33,560 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:54:33,561 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:54:33,562 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:54:33,756 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:54:33,782 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,783 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,788 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,796 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,868 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,868 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,869 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,869 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,870 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,870 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,871 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,871 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,873 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,873 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,876 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,877 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,877 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,877 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,881 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,881 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,890 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,891 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,891 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:33,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:33,970 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:54:34,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:34,013 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2021-11-12 22:54:34,014 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2021-11-12 22:54:34,015 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:54:34,016 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:54:34,050 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,051 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,051 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,052 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,052 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,075 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,075 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,077 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,078 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,079 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,079 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,079 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,114 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:54:34,115 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:54:34,115 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:54:34,116 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:54:34,117 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:54:34,117 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:54:34,118 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:54:34,118 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:54:34,119 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:54:34,119 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:54:34,141 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:54:34,156 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,157 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,158 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,163 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,187 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,189 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,189 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,191 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,191 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,191 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,192 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,192 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,193 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,193 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,218 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,219 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,225 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,226 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,226 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:34,249 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:54:34,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2021-11-12 22:54:34,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2021-11-12 22:54:34,264 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:54:34,265 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:54:34,293 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,294 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,294 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,294 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,295 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,301 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,301 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,302 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,303 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,303 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,304 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,304 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,305 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,336 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:54:34,357 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:54:34,358 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:54:34,358 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:54:34,359 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:54:34,360 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:54:34,360 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:54:34,361 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:54:34,361 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:54:34,361 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:54:34,394 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:54:34,408 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,408 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,410 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,419 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,459 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,460 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,460 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,463 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,466 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,467 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,467 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,467 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,468 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,469 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,469 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,470 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,470 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,477 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,477 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,491 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,491 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,492 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:54:34,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:34,758 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:54:34,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34 WrapperNode [2021-11-12 22:54:34,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:34,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:54:34,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:54:34,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:54:34,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:34,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:35,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:54:35,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:54:35,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:54:35,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:54:35,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:35,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:35,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:35,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:35,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:35,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:35,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:35,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:54:35,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:54:35,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:54:35,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:54:35,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (1/1) ... [2021-11-12 22:54:35,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:35,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:54:35,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:54:35,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:54:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2021-11-12 22:54:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2021-11-12 22:54:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-12 22:54:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-12 22:54:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:54:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-12 22:54:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-12 22:54:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-12 22:54:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-12 22:54:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-12 22:54:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-12 22:54:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:54:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:54:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:54:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-12 22:54:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-12 22:54:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 22:54:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 22:54:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 22:54:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 22:54:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:54:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:54:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-12 22:54:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-12 22:54:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:54:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:54:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 22:54:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 22:54:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:54:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:54:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2021-11-12 22:54:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2021-11-12 22:54:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-12 22:54:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-12 22:54:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-12 22:54:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-12 22:54:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-11-12 22:54:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-11-12 22:54:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-12 22:54:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-12 22:54:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 22:54:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 22:54:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-12 22:54:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-12 22:54:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:54:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-12 22:54:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:54:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:54:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:54:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2021-11-12 22:54:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2021-11-12 22:54:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:54:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-11-12 22:54:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-11-12 22:54:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-12 22:54:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-12 22:54:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-12 22:54:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-12 22:54:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-12 22:54:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-12 22:54:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-11-12 22:54:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-11-12 22:54:48,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:54:48,533 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-12 22:54:48,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:54:48 BoogieIcfgContainer [2021-11-12 22:54:48,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:54:48,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:54:48,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:54:48,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:54:48,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:54:31" (1/3) ... [2021-11-12 22:54:48,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efa0809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:54:48, skipping insertion in model container [2021-11-12 22:54:48,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:34" (2/3) ... [2021-11-12 22:54:48,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efa0809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:54:48, skipping insertion in model container [2021-11-12 22:54:48,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:54:48" (3/3) ... [2021-11-12 22:54:48,547 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2021-11-12 22:54:48,553 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:54:48,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:54:48,620 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:54:48,629 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:54:48,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:54:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 324 states, 195 states have (on average 1.235897435897436) internal successors, (241), 196 states have internal predecessors, (241), 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) [2021-11-12 22:54:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-12 22:54:48,679 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:48,680 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] [2021-11-12 22:54:48,680 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:48,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:48,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1926734945, now seen corresponding path program 1 times [2021-11-12 22:54:48,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:48,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374637588] [2021-11-12 22:54:48,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:54:48,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:48,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:48,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:48,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:54:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:54:52,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 1816 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 22:54:52,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:54:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-12 22:54:53,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:54:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-11-12 22:54:53,573 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:54:53,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374637588] [2021-11-12 22:54:53,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374637588] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:54:53,574 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:54:53,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 22:54:53,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400250562] [2021-11-12 22:54:53,580 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:54:53,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 22:54:53,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:54:53,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 22:54:53,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:54:53,634 INFO L87 Difference]: Start difference. First operand has 324 states, 195 states have (on average 1.235897435897436) internal successors, (241), 196 states have internal predecessors, (241), 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 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 22:54:53,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:54:53,713 INFO L93 Difference]: Finished difference Result 625 states and 944 transitions. [2021-11-12 22:54:53,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 22:54:53,716 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 156 [2021-11-12 22:54:53,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:54:53,740 INFO L225 Difference]: With dead ends: 625 [2021-11-12 22:54:53,743 INFO L226 Difference]: Without dead ends: 319 [2021-11-12 22:54:53,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:54:53,767 INFO L933 BasicCegarLoop]: 442 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 22:54:53,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 4.27ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 22:54:53,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-11-12 22:54:53,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2021-11-12 22:54:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 191 states have (on average 1.2041884816753927) internal successors, (230), 192 states have internal predecessors, (230), 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) [2021-11-12 22:54:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 437 transitions. [2021-11-12 22:54:53,896 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 437 transitions. Word has length 156 [2021-11-12 22:54:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:54:53,897 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 437 transitions. [2021-11-12 22:54:53,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 22:54:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 437 transitions. [2021-11-12 22:54:53,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-12 22:54:53,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:53,904 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] [2021-11-12 22:54:53,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:54:54,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:54:54,119 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:54,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash -860999513, now seen corresponding path program 1 times [2021-11-12 22:54:54,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:54,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761984813] [2021-11-12 22:54:54,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:54:54,124 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:54,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:54,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:54,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:54:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:54:58,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1816 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:54:58,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:54:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-12 22:54:58,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:54:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-11-12 22:54:59,502 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:54:59,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761984813] [2021-11-12 22:54:59,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761984813] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:54:59,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:54:59,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-12 22:54:59,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252073946] [2021-11-12 22:54:59,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:54:59,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:54:59,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:54:59,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:54:59,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:54:59,506 INFO L87 Difference]: Start difference. First operand 319 states and 437 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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) [2021-11-12 22:54:59,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:54:59,996 INFO L93 Difference]: Finished difference Result 592 states and 816 transitions. [2021-11-12 22:54:59,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:54:59,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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 [2021-11-12 22:54:59,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:55:00,008 INFO L225 Difference]: With dead ends: 592 [2021-11-12 22:55:00,008 INFO L226 Difference]: Without dead ends: 321 [2021-11-12 22:55:00,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:55:00,012 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 47 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 355.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.39ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 411.97ms IncrementalHoareTripleChecker+Time [2021-11-12 22:55:00,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 1582 Invalid, 83 Unknown, 0 Unchecked, 13.39ms Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 411.97ms Time] [2021-11-12 22:55:00,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-11-12 22:55:00,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2021-11-12 22:55:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 192 states have (on average 1.203125) internal successors, (231), 194 states have internal predecessors, (231), 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) [2021-11-12 22:55:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 442 transitions. [2021-11-12 22:55:00,063 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 442 transitions. Word has length 156 [2021-11-12 22:55:00,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:55:00,065 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 442 transitions. [2021-11-12 22:55:00,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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) [2021-11-12 22:55:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 442 transitions. [2021-11-12 22:55:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-12 22:55:00,076 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:55:00,077 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] [2021-11-12 22:55:00,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:55:00,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:55:00,299 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:55:00,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:55:00,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1740163981, now seen corresponding path program 1 times [2021-11-12 22:55:00,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:55:00,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922996099] [2021-11-12 22:55:00,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:55:00,303 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:55:00,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:55:00,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:55:00,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:55:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:55:04,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 1846 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 22:55:04,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:55:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-12 22:55:05,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:55:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-11-12 22:55:06,021 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:55:06,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922996099] [2021-11-12 22:55:06,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922996099] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:55:06,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:55:06,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2021-11-12 22:55:06,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274477588] [2021-11-12 22:55:06,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:55:06,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 22:55:06,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:55:06,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 22:55:06,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-12 22:55:06,024 INFO L87 Difference]: Start difference. First operand 321 states and 442 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 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) [2021-11-12 22:55:07,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:55:07,212 INFO L93 Difference]: Finished difference Result 615 states and 863 transitions. [2021-11-12 22:55:07,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 22:55:07,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 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 [2021-11-12 22:55:07,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:55:07,217 INFO L225 Difference]: With dead ends: 615 [2021-11-12 22:55:07,218 INFO L226 Difference]: Without dead ends: 342 [2021-11-12 22:55:07,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-12 22:55:07,221 INFO L933 BasicCegarLoop]: 417 mSDtfsCounter, 83 mSDsluCounter, 1943 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 927.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 2360 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.31ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1072.33ms IncrementalHoareTripleChecker+Time [2021-11-12 22:55:07,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 2360 Invalid, 248 Unknown, 0 Unchecked, 14.31ms Time], IncrementalHoareTripleChecker [8 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 1072.33ms Time] [2021-11-12 22:55:07,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-11-12 22:55:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 340. [2021-11-12 22:55:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 208 states have (on average 1.2163461538461537) internal successors, (253), 210 states have internal predecessors, (253), 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) [2021-11-12 22:55:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 479 transitions. [2021-11-12 22:55:07,251 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 479 transitions. Word has length 164 [2021-11-12 22:55:07,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:55:07,252 INFO L470 AbstractCegarLoop]: Abstraction has 340 states and 479 transitions. [2021-11-12 22:55:07,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 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) [2021-11-12 22:55:07,253 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 479 transitions. [2021-11-12 22:55:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-12 22:55:07,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:55:07,257 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] [2021-11-12 22:55:07,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:55:07,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:55:07,479 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:55:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:55:07,479 INFO L85 PathProgramCache]: Analyzing trace with hash 2064550921, now seen corresponding path program 1 times [2021-11-12 22:55:07,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:55:07,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703846466] [2021-11-12 22:55:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:55:07,483 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:55:07,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:55:07,484 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:55:07,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:55:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:55:11,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 22:55:11,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:55:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-12 22:55:12,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:55:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-12 22:55:13,258 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:55:13,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703846466] [2021-11-12 22:55:13,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703846466] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:55:13,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:55:13,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-11-12 22:55:13,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638604748] [2021-11-12 22:55:13,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:55:13,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 22:55:13,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:55:13,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 22:55:13,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-12 22:55:13,260 INFO L87 Difference]: Start difference. First operand 340 states and 479 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 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) [2021-11-12 22:55:14,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:55:14,020 INFO L93 Difference]: Finished difference Result 640 states and 912 transitions. [2021-11-12 22:55:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 22:55:14,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 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 [2021-11-12 22:55:14,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:55:14,025 INFO L225 Difference]: With dead ends: 640 [2021-11-12 22:55:14,026 INFO L226 Difference]: Without dead ends: 348 [2021-11-12 22:55:14,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-12 22:55:14,029 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 70 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 576.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1949 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.44ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 649.22ms IncrementalHoareTripleChecker+Time [2021-11-12 22:55:14,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 1949 Invalid, 156 Unknown, 0 Unchecked, 9.44ms Time], IncrementalHoareTripleChecker [6 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 649.22ms Time] [2021-11-12 22:55:14,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-11-12 22:55:14,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 340. [2021-11-12 22:55:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 208 states have (on average 1.2163461538461537) internal successors, (253), 210 states have internal predecessors, (253), 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) [2021-11-12 22:55:14,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 479 transitions. [2021-11-12 22:55:14,053 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 479 transitions. Word has length 179 [2021-11-12 22:55:14,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:55:14,053 INFO L470 AbstractCegarLoop]: Abstraction has 340 states and 479 transitions. [2021-11-12 22:55:14,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 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) [2021-11-12 22:55:14,054 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 479 transitions. [2021-11-12 22:55:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-12 22:55:14,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:55:14,057 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] [2021-11-12 22:55:14,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 22:55:14,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:55:14,279 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:55:14,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:55:14,279 INFO L85 PathProgramCache]: Analyzing trace with hash 587208436, now seen corresponding path program 1 times [2021-11-12 22:55:14,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:55:14,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912873041] [2021-11-12 22:55:14,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:55:14,283 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:55:14,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:55:14,284 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:55:14,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:55:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:55:18,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 1974 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 22:55:18,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:55:19,375 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-12 22:55:19,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:55:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-11-12 22:55:20,327 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:55:20,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912873041] [2021-11-12 22:55:20,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912873041] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:55:20,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:55:20,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 11 [2021-11-12 22:55:20,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664793854] [2021-11-12 22:55:20,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:55:20,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 22:55:20,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:55:20,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 22:55:20,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-12 22:55:20,330 INFO L87 Difference]: Start difference. First operand 340 states and 479 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 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) [2021-11-12 22:55:22,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:55:22,274 INFO L93 Difference]: Finished difference Result 662 states and 941 transitions. [2021-11-12 22:55:22,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 22:55:22,275 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 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 [2021-11-12 22:55:22,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:55:22,280 INFO L225 Difference]: With dead ends: 662 [2021-11-12 22:55:22,280 INFO L226 Difference]: Without dead ends: 370 [2021-11-12 22:55:22,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-11-12 22:55:22,284 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 142 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1557.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.94ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1733.65ms IncrementalHoareTripleChecker+Time [2021-11-12 22:55:22,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 2667 Invalid, 403 Unknown, 0 Unchecked, 11.94ms Time], IncrementalHoareTripleChecker [18 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 1733.65ms Time] [2021-11-12 22:55:22,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-11-12 22:55:22,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 352. [2021-11-12 22:55:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 218 states have (on average 1.224770642201835) internal successors, (267), 220 states have internal predecessors, (267), 107 states have call successors, (107), 24 states have call predecessors, (107), 26 states have return successors, (121), 107 states have call predecessors, (121), 106 states have call successors, (121) [2021-11-12 22:55:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 495 transitions. [2021-11-12 22:55:22,312 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 495 transitions. Word has length 195 [2021-11-12 22:55:22,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:55:22,313 INFO L470 AbstractCegarLoop]: Abstraction has 352 states and 495 transitions. [2021-11-12 22:55:22,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 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) [2021-11-12 22:55:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 495 transitions. [2021-11-12 22:55:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-12 22:55:22,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:55:22,317 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] [2021-11-12 22:55:22,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 22:55:22,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:55:22,539 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:55:22,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:55:22,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1829094874, now seen corresponding path program 2 times [2021-11-12 22:55:22,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:55:22,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364650744] [2021-11-12 22:55:22,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 22:55:22,543 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:55:22,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:55:22,545 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:55:22,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230e1aa5-a821-4b71-97e6-1133d37c2ed9/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process