./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_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_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/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_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/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_7369cf77-4911-41af-bbe1-971a0bf05600/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 1ebada516f0ccae5e55b91f6e0fe5802f70171054dc79c047f46877ad506c65e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:31:59,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:31:59,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:31:59,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:31:59,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:31:59,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:31:59,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:31:59,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:31:59,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:31:59,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:31:59,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:31:59,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:31:59,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:31:59,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:31:59,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:31:59,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:31:59,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:31:59,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:31:59,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:31:59,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:31:59,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:31:59,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:31:59,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:31:59,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:31:59,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:31:59,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:31:59,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:31:59,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:31:59,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:31:59,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:31:59,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:31:59,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:31:59,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:31:59,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:31:59,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:31:59,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:31:59,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:31:59,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:31:59,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:31:59,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:31:59,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:31:59,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:31:59,842 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:31:59,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:31:59,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:31:59,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:31:59,844 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:31:59,844 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:31:59,844 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:31:59,844 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:31:59,845 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:31:59,845 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:31:59,845 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:31:59,845 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:31:59,845 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:31:59,846 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:31:59,846 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:31:59,846 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:31:59,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:31:59,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:31:59,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:31:59,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:31:59,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:31:59,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:31:59,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:31:59,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:31:59,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:31:59,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:31:59,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:31:59,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:31:59,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:31:59,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:31:59,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:31:59,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:31:59,858 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:31:59,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:31:59,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:31:59,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:31:59,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:31:59,860 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_7369cf77-4911-41af-bbe1-971a0bf05600/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ebada516f0ccae5e55b91f6e0fe5802f70171054dc79c047f46877ad506c65e [2021-11-12 23:32:00,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:32:00,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:32:00,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:32:00,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:32:00,151 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:32:00,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2021-11-12 23:32:00,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data/f5adc859d/84695a692e0e45a3a966eea3092dc221/FLAG5f4c5eee8 [2021-11-12 23:32:01,066 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:32:01,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2021-11-12 23:32:01,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data/f5adc859d/84695a692e0e45a3a966eea3092dc221/FLAG5f4c5eee8 [2021-11-12 23:32:01,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data/f5adc859d/84695a692e0e45a3a966eea3092dc221 [2021-11-12 23:32:01,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:32:01,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:32:01,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:32:01,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:32:01,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:32:01,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:32:01" (1/1) ... [2021-11-12 23:32:01,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4973f146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:01, skipping insertion in model container [2021-11-12 23:32:01,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:32:01" (1/1) ... [2021-11-12 23:32:01,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:32:01,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:32:02,098 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_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2021-11-12 23:32:02,107 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_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2021-11-12 23:32:02,134 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:32:02,140 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:32:03,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,168 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,169 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,170 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,171 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,186 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,187 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,189 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,193 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,194 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,195 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,195 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,631 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:32:03,632 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:32:03,634 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:32:03,635 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:32:03,637 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:32:03,638 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:32:03,639 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:32:03,639 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:32:03,640 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:32:03,641 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:32:03,845 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:32:03,898 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,904 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,993 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,994 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,994 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,995 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,995 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,996 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,996 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,997 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,997 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,997 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,998 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,998 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:03,999 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,003 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,003 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,006 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,007 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,015 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,016 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,016 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,026 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,027 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,027 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:04,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:32:04,062 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 23:32:04,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32af752e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:04, skipping insertion in model container [2021-11-12 23:32:04,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:32:04,063 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:32:04,065 INFO L158 Benchmark]: Toolchain (without parser) took 2471.61ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 66.5MB in the beginning and 68.6MB in the end (delta: -2.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-12 23:32:04,066 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 107.0MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:32:04,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2467.04ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 66.2MB in the beginning and 68.6MB in the end (delta: -2.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-12 23:32:04,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 107.0MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2467.04ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 66.2MB in the beginning and 68.6MB in the end (delta: -2.4MB). Peak memory consumption was 31.5MB. 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_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/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_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/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_7369cf77-4911-41af-bbe1-971a0bf05600/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 1ebada516f0ccae5e55b91f6e0fe5802f70171054dc79c047f46877ad506c65e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:32:06,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:32:06,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:32:06,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:32:06,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:32:06,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:32:06,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:32:06,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:32:06,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:32:06,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:32:06,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:32:06,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:32:06,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:32:06,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:32:06,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:32:06,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:32:06,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:32:06,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:32:06,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:32:06,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:32:06,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:32:06,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:32:06,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:32:06,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:32:06,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:32:06,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:32:06,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:32:06,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:32:06,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:32:06,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:32:06,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:32:06,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:32:06,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:32:06,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:32:06,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:32:06,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:32:06,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:32:06,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:32:06,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:32:06,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:32:06,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:32:06,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:32:06,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:32:06,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:32:06,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:32:06,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:32:06,570 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:32:06,570 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:32:06,571 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:32:06,571 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:32:06,571 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:32:06,571 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:32:06,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:32:06,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:32:06,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:32:06,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:32:06,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:32:06,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:32:06,575 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:32:06,575 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:32:06,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:32:06,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:32:06,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:32:06,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:32:06,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:32:06,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:32:06,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:32:06,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:32:06,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:32:06,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:32:06,577 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:32:06,577 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:32:06,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:32:06,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:32:06,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:32:06,578 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_7369cf77-4911-41af-bbe1-971a0bf05600/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ebada516f0ccae5e55b91f6e0fe5802f70171054dc79c047f46877ad506c65e [2021-11-12 23:32:06,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:32:07,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:32:07,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:32:07,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:32:07,019 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:32:07,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2021-11-12 23:32:07,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data/a60987fca/e1bc308e63e64441bb91026e66f704c3/FLAG7d658d88b [2021-11-12 23:32:08,065 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:32:08,067 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2021-11-12 23:32:08,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data/a60987fca/e1bc308e63e64441bb91026e66f704c3/FLAG7d658d88b [2021-11-12 23:32:08,515 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/data/a60987fca/e1bc308e63e64441bb91026e66f704c3 [2021-11-12 23:32:08,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:32:08,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:32:08,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:32:08,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:32:08,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:32:08,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:32:08" (1/1) ... [2021-11-12 23:32:08,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0b6fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:08, skipping insertion in model container [2021-11-12 23:32:08,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:32:08" (1/1) ... [2021-11-12 23:32:08,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:32:08,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:32:09,027 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_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2021-11-12 23:32:09,035 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_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2021-11-12 23:32:09,068 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:32:09,075 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:32:10,106 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,107 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,108 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,109 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,110 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,126 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,127 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,129 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,130 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,133 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,134 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,135 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,135 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,611 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:32:10,617 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:32:10,621 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:32:10,622 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:32:10,623 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:32:10,624 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:32:10,625 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:32:10,626 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:32:10,626 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:32:10,627 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:32:10,797 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:32:10,827 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,904 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,905 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,906 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,906 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,906 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,907 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,908 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,908 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,909 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,909 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,910 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,910 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,910 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,914 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,914 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,915 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,915 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,920 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,920 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,945 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,946 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,946 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,968 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,973 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,974 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:10,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:32:11,033 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:32:11,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:32:11,079 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_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2021-11-12 23:32:11,080 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_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2021-11-12 23:32:11,082 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:32:11,082 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:32:11,122 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,122 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,123 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,123 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,138 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,146 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,146 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,148 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,148 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,149 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,150 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,151 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,151 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,188 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:32:11,189 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:32:11,189 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:32:11,190 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:32:11,191 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:32:11,192 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:32:11,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:32:11,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:32:11,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:32:11,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:32:11,216 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:32:11,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,237 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,266 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,267 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,268 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,268 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,268 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,269 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,269 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,270 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,270 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,270 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,271 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,271 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,271 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,272 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,273 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,273 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,273 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,276 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,277 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,284 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,285 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,285 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,291 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,291 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,292 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:32:11,328 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:32:11,342 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_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2021-11-12 23:32:11,342 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_7369cf77-4911-41af-bbe1-971a0bf05600/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2021-11-12 23:32:11,344 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:32:11,346 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:32:11,382 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,382 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,383 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,383 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,384 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,390 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,391 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,392 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,395 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,396 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,397 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,397 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,398 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,441 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:32:11,442 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:32:11,443 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:32:11,444 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:32:11,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:32:11,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:32:11,446 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:32:11,446 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:32:11,447 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:32:11,448 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:32:11,484 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:32:11,543 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,586 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,587 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,587 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,587 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,588 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,589 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,593 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,594 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,595 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,595 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,596 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,597 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,598 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,598 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,599 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,605 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,605 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,608 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,609 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,617 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,618 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,618 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,623 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,624 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,624 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:32:11,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:32:11,933 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:32:11,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11 WrapperNode [2021-11-12 23:32:11,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:32:11,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:32:11,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:32:11,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:32:11,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:32:12,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:32:12,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:32:12,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:32:12,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:32:12,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:32:12,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:32:12,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:32:12,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (1/1) ... [2021-11-12 23:32:12,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:32:12,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:32:12,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:32:12,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:32:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2021-11-12 23:32:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2021-11-12 23:32:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-12 23:32:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-12 23:32:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:32:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-12 23:32:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-12 23:32:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-12 23:32:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-12 23:32:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-12 23:32:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-12 23:32:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:32:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:32:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:32:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2021-11-12 23:32:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2021-11-12 23:32:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-12 23:32:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-12 23:32:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:32:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:32:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2021-11-12 23:32:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2021-11-12 23:32:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:32:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:32:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:32:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:32:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2021-11-12 23:32:12,486 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2021-11-12 23:32:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-12 23:32:12,487 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-12 23:32:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:32:12,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:32:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 23:32:12,487 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 23:32:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:32:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:32:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-12 23:32:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-12 23:32:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:32:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-12 23:32:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-12 23:32:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-11-12 23:32:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-11-12 23:32:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-12 23:32:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-12 23:32:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:32:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:32:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:32:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:32:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-12 23:32:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-12 23:32:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-11-12 23:32:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-11-12 23:32:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:32:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-12 23:32:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:32:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:32:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:32:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-11-12 23:32:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-11-12 23:32:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-12 23:32:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-12 23:32:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-12 23:32:12,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-12 23:32:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:32:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-12 23:32:12,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-12 23:32:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-11-12 23:32:12,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-11-12 23:32:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2021-11-12 23:32:12,493 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2021-11-12 23:32:28,599 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:32:28,603 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-12 23:32:28,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:32:28 BoogieIcfgContainer [2021-11-12 23:32:28,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:32:28,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:32:28,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:32:28,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:32:28,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:32:08" (1/3) ... [2021-11-12 23:32:28,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4568098c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:32:28, skipping insertion in model container [2021-11-12 23:32:28,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:11" (2/3) ... [2021-11-12 23:32:28,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4568098c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:32:28, skipping insertion in model container [2021-11-12 23:32:28,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:32:28" (3/3) ... [2021-11-12 23:32:28,623 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2021-11-12 23:32:28,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:32:28,643 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-12 23:32:28,712 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:32:28,717 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 23:32:28,717 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-12 23:32:28,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 456 states, 266 states have (on average 1.2744360902255638) internal successors, (339), 271 states have internal predecessors, (339), 160 states have call successors, (160), 27 states have call predecessors, (160), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2021-11-12 23:32:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-12 23:32:28,764 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:28,765 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-11-12 23:32:28,766 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:32:28,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:28,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1226682489, now seen corresponding path program 1 times [2021-11-12 23:32:28,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:28,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283722613] [2021-11-12 23:32:28,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:28,793 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:28,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:28,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:28,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:32:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:33,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:32:33,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-12 23:32:33,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-12 23:32:33,915 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:33,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283722613] [2021-11-12 23:32:33,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283722613] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:32:33,916 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:32:33,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:32:33,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177976170] [2021-11-12 23:32:33,919 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:33,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:32:33,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:33,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:32:33,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:32:33,970 INFO L87 Difference]: Start difference. First operand has 456 states, 266 states have (on average 1.2744360902255638) internal successors, (339), 271 states have internal predecessors, (339), 160 states have call successors, (160), 27 states have call predecessors, (160), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:32:34,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:32:34,107 INFO L93 Difference]: Finished difference Result 899 states and 1432 transitions. [2021-11-12 23:32:34,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:32:34,109 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2021-11-12 23:32:34,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:32:34,127 INFO L225 Difference]: With dead ends: 899 [2021-11-12 23:32:34,127 INFO L226 Difference]: Without dead ends: 449 [2021-11-12 23:32:34,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 280 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 23:32:34,145 INFO L933 BasicCegarLoop]: 646 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, 646 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.30ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:32:34,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 9.30ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:32:34,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2021-11-12 23:32:34,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2021-11-12 23:32:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 261 states have (on average 1.2375478927203065) internal successors, (323), 264 states have internal predecessors, (323), 160 states have call successors, (160), 27 states have call predecessors, (160), 26 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2021-11-12 23:32:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 641 transitions. [2021-11-12 23:32:34,250 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 641 transitions. Word has length 141 [2021-11-12 23:32:34,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:32:34,252 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 641 transitions. [2021-11-12 23:32:34,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:32:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 641 transitions. [2021-11-12 23:32:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-12 23:32:34,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:34,258 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 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] [2021-11-12 23:32:34,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:32:34,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:32:34,475 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:32:34,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:34,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1411277843, now seen corresponding path program 1 times [2021-11-12 23:32:34,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:34,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301667668] [2021-11-12 23:32:34,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:34,481 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:34,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:34,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:34,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:32:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:38,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:32:38,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2021-11-12 23:32:39,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-11-12 23:32:40,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:40,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301667668] [2021-11-12 23:32:40,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301667668] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:32:40,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:32:40,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-12 23:32:40,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261846175] [2021-11-12 23:32:40,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:40,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:32:40,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:40,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:32:40,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:32:40,747 INFO L87 Difference]: Start difference. First operand 449 states and 641 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-12 23:32:43,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:32:43,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:32:43,831 INFO L93 Difference]: Finished difference Result 864 states and 1251 transitions. [2021-11-12 23:32:43,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:32:43,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 156 [2021-11-12 23:32:43,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:32:43,841 INFO L225 Difference]: With dead ends: 864 [2021-11-12 23:32:43,841 INFO L226 Difference]: Without dead ends: 451 [2021-11-12 23:32:43,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:32:43,846 INFO L933 BasicCegarLoop]: 616 mSDtfsCounter, 36 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2813.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 2378 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2939.53ms IncrementalHoareTripleChecker+Time [2021-11-12 23:32:43,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 2378 Invalid, 125 Unknown, 0 Unchecked, 20.14ms Time], IncrementalHoareTripleChecker [0 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 2939.53ms Time] [2021-11-12 23:32:43,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2021-11-12 23:32:43,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2021-11-12 23:32:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 262 states have (on average 1.2366412213740459) internal successors, (324), 266 states have internal predecessors, (324), 160 states have call successors, (160), 27 states have call predecessors, (160), 27 states have return successors, (172), 158 states have call predecessors, (172), 158 states have call successors, (172) [2021-11-12 23:32:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 656 transitions. [2021-11-12 23:32:43,894 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 656 transitions. Word has length 156 [2021-11-12 23:32:43,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:32:43,895 INFO L470 AbstractCegarLoop]: Abstraction has 451 states and 656 transitions. [2021-11-12 23:32:43,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-12 23:32:43,895 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 656 transitions. [2021-11-12 23:32:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-12 23:32:43,899 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:43,899 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 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] [2021-11-12 23:32:43,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:32:44,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:32:44,123 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:32:44,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:44,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1659857565, now seen corresponding path program 1 times [2021-11-12 23:32:44,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:44,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868005438] [2021-11-12 23:32:44,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:44,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:44,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:44,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:44,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:32:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:48,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1827 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:32:48,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2021-11-12 23:32:49,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-11-12 23:32:50,524 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:50,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868005438] [2021-11-12 23:32:50,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868005438] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:32:50,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:32:50,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2021-11-12 23:32:50,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831816726] [2021-11-12 23:32:50,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:50,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:32:50,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:32:50,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:32:50,527 INFO L87 Difference]: Start difference. First operand 451 states and 656 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:32:53,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:32:54,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:32:54,738 INFO L93 Difference]: Finished difference Result 887 states and 1324 transitions. [2021-11-12 23:32:54,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:32:54,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 164 [2021-11-12 23:32:54,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:32:54,746 INFO L225 Difference]: With dead ends: 887 [2021-11-12 23:32:54,746 INFO L226 Difference]: Without dead ends: 472 [2021-11-12 23:32:54,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:32:54,753 INFO L933 BasicCegarLoop]: 595 mSDtfsCounter, 87 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3834.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.85ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4020.48ms IncrementalHoareTripleChecker+Time [2021-11-12 23:32:54,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 3442 Invalid, 344 Unknown, 0 Unchecked, 14.85ms Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 1 Unknown, 0 Unchecked, 4020.48ms Time] [2021-11-12 23:32:54,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-11-12 23:32:54,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 470. [2021-11-12 23:32:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 278 states have (on average 1.2446043165467626) internal successors, (346), 282 states have internal predecessors, (346), 162 states have call successors, (162), 27 states have call predecessors, (162), 28 states have return successors, (191), 161 states have call predecessors, (191), 160 states have call successors, (191) [2021-11-12 23:32:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 699 transitions. [2021-11-12 23:32:54,792 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 699 transitions. Word has length 164 [2021-11-12 23:32:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:32:54,793 INFO L470 AbstractCegarLoop]: Abstraction has 470 states and 699 transitions. [2021-11-12 23:32:54,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:32:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 699 transitions. [2021-11-12 23:32:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-12 23:32:54,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:54,797 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 3, 3, 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] [2021-11-12 23:32:54,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:32:55,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:32:55,019 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:32:55,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:55,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1958921511, now seen corresponding path program 1 times [2021-11-12 23:32:55,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:55,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362344138] [2021-11-12 23:32:55,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:55,023 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:55,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:55,023 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:55,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:32:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:59,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1907 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:32:59,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:00,240 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2021-11-12 23:33:00,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2021-11-12 23:33:01,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:33:01,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362344138] [2021-11-12 23:33:01,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362344138] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:33:01,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:33:01,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-11-12 23:33:01,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545249124] [2021-11-12 23:33:01,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:33:01,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:33:01,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:33:01,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:33:01,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:33:01,218 INFO L87 Difference]: Start difference. First operand 470 states and 699 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-11-12 23:33:03,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:33:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:33:04,906 INFO L93 Difference]: Finished difference Result 912 states and 1399 transitions. [2021-11-12 23:33:04,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:33:04,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 179 [2021-11-12 23:33:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:33:04,915 INFO L225 Difference]: With dead ends: 912 [2021-11-12 23:33:04,916 INFO L226 Difference]: Without dead ends: 478 [2021-11-12 23:33:04,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:33:04,921 INFO L933 BasicCegarLoop]: 610 mSDtfsCounter, 59 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3386.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.01ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3503.17ms IncrementalHoareTripleChecker+Time [2021-11-12 23:33:04,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 2936 Invalid, 260 Unknown, 0 Unchecked, 11.01ms Time], IncrementalHoareTripleChecker [5 Valid, 254 Invalid, 1 Unknown, 0 Unchecked, 3503.17ms Time] [2021-11-12 23:33:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2021-11-12 23:33:04,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 470. [2021-11-12 23:33:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 278 states have (on average 1.2446043165467626) internal successors, (346), 282 states have internal predecessors, (346), 162 states have call successors, (162), 27 states have call predecessors, (162), 28 states have return successors, (191), 161 states have call predecessors, (191), 160 states have call successors, (191) [2021-11-12 23:33:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 699 transitions. [2021-11-12 23:33:04,959 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 699 transitions. Word has length 179 [2021-11-12 23:33:04,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:33:04,960 INFO L470 AbstractCegarLoop]: Abstraction has 470 states and 699 transitions. [2021-11-12 23:33:04,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-11-12 23:33:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 699 transitions. [2021-11-12 23:33:04,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-12 23:33:04,964 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:33:04,965 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:33:05,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:05,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:33:05,182 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:33:05,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:33:05,183 INFO L85 PathProgramCache]: Analyzing trace with hash 110275706, now seen corresponding path program 1 times [2021-11-12 23:33:05,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:33:05,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470979634] [2021-11-12 23:33:05,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:05,186 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:33:05,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:33:05,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:33:05,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:33:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:09,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 1955 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:33:09,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-12 23:33:10,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-11-12 23:33:12,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:33:12,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1470979634] [2021-11-12 23:33:12,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1470979634] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:33:12,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:33:12,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 11 [2021-11-12 23:33:12,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203850475] [2021-11-12 23:33:12,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:33:12,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:33:12,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:33:12,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:33:12,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:33:12,176 INFO L87 Difference]: Start difference. First operand 470 states and 699 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2021-11-12 23:33:15,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:33:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:33:17,687 INFO L93 Difference]: Finished difference Result 934 states and 1418 transitions. [2021-11-12 23:33:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:33:17,688 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) Word has length 195 [2021-11-12 23:33:17,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:33:17,694 INFO L225 Difference]: With dead ends: 934 [2021-11-12 23:33:17,695 INFO L226 Difference]: Without dead ends: 500 [2021-11-12 23:33:17,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:33:17,699 INFO L933 BasicCegarLoop]: 595 mSDtfsCounter, 131 mSDsluCounter, 3405 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4947.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 4000 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.16ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5196.91ms IncrementalHoareTripleChecker+Time [2021-11-12 23:33:17,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 4000 Invalid, 587 Unknown, 0 Unchecked, 14.16ms Time], IncrementalHoareTripleChecker [17 Valid, 569 Invalid, 1 Unknown, 0 Unchecked, 5196.91ms Time] [2021-11-12 23:33:17,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2021-11-12 23:33:17,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2021-11-12 23:33:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 288 states have (on average 1.25) internal successors, (360), 292 states have internal predecessors, (360), 163 states have call successors, (163), 28 states have call predecessors, (163), 29 states have return successors, (192), 162 states have call predecessors, (192), 161 states have call successors, (192) [2021-11-12 23:33:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 715 transitions. [2021-11-12 23:33:17,729 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 715 transitions. Word has length 195 [2021-11-12 23:33:17,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:33:17,730 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 715 transitions. [2021-11-12 23:33:17,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2021-11-12 23:33:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 715 transitions. [2021-11-12 23:33:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-12 23:33:17,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:33:17,734 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2021-11-12 23:33:17,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:17,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:33:17,951 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:33:17,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:33:17,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2030385312, now seen corresponding path program 2 times [2021-11-12 23:33:17,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:33:17,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826465633] [2021-11-12 23:33:17,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 23:33:17,955 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:33:17,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:33:17,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:33:17,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7369cf77-4911-41af-bbe1-971a0bf05600/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process