./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_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_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/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_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/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_888c82b7-b481-4084-8188-93be61b98c69/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 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:19:06,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:19:06,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:19:06,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:19:06,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:19:06,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:19:06,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:19:06,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:19:06,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:19:06,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:19:06,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:19:06,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:19:06,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:19:06,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:19:06,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:19:06,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:19:06,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:19:06,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:19:06,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:19:06,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:19:06,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:19:06,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:19:06,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:19:06,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:19:06,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:19:06,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:19:06,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:19:06,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:19:06,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:19:06,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:19:06,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:19:06,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:19:06,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:19:06,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:19:06,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:19:06,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:19:06,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:19:06,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:19:06,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:19:06,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:19:06,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:19:06,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:19:06,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:19:06,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:19:06,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:19:06,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:19:06,696 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:19:06,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:19:06,697 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:19:06,697 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:19:06,697 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:19:06,698 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:19:06,699 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:19:06,699 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:19:06,699 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:19:06,700 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:19:06,700 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:19:06,700 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:19:06,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:19:06,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:19:06,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:19:06,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:19:06,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:19:06,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:19:06,702 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:19:06,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:19:06,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:19:06,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:19:06,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:19:06,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:19:06,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:19:06,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:19:06,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:19:06,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:19:06,707 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:19:06,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:19:06,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:19:06,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:19:06,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:19:06,708 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_888c82b7-b481-4084-8188-93be61b98c69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d [2021-11-12 22:19:07,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:19:07,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:19:07,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:19:07,093 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:19:07,093 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:19:07,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-12 22:19:07,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data/ffbc65d5c/91efbc68988a4a9c8ce7f47fe444956b/FLAGdeff720e5 [2021-11-12 22:19:08,098 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:19:08,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-12 22:19:08,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data/ffbc65d5c/91efbc68988a4a9c8ce7f47fe444956b/FLAGdeff720e5 [2021-11-12 22:19:08,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data/ffbc65d5c/91efbc68988a4a9c8ce7f47fe444956b [2021-11-12 22:19:08,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:19:08,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:19:08,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:19:08,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:19:08,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:19:08,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:19:08" (1/1) ... [2021-11-12 22:19:08,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1daff47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:08, skipping insertion in model container [2021-11-12 22:19:08,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:19:08" (1/1) ... [2021-11-12 22:19:08,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:19:08,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:19:09,098 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_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-12 22:19:09,104 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_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-12 22:19:09,125 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:19:09,130 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:19:09,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,956 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,957 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,958 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,959 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,973 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,974 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,977 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,977 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,981 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,982 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:09,982 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:10,440 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:19:10,442 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:19:10,443 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:19:10,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:19:10,447 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:19:10,449 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:19:10,451 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:19:10,453 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:19:10,453 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:19:10,459 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:19:10,668 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:19:10,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:19:10,747 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:19:10,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@784299a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:10, skipping insertion in model container [2021-11-12 22:19:10,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:19:10,748 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:19:10,750 INFO L158 Benchmark]: Toolchain (without parser) took 2094.75ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 50.8MB in the beginning and 68.7MB in the end (delta: -18.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-12 22:19:10,751 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:19:10,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2091.97ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 50.6MB in the beginning and 69.2MB in the end (delta: -18.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-12 22:19:10,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2091.97ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 50.6MB in the beginning and 69.2MB in the end (delta: -18.6MB). Peak memory consumption was 16.1MB. 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_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/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_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/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_888c82b7-b481-4084-8188-93be61b98c69/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 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:19:13,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:19:13,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:19:13,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:19:13,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:19:13,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:19:13,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:19:13,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:19:13,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:19:13,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:19:13,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:19:13,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:19:13,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:19:13,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:19:13,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:19:13,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:19:13,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:19:13,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:19:13,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:19:13,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:19:13,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:19:13,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:19:13,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:19:13,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:19:13,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:19:13,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:19:13,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:19:13,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:19:13,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:19:13,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:19:13,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:19:13,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:19:13,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:19:13,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:19:13,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:19:13,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:19:13,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:19:13,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:19:13,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:19:13,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:19:13,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:19:13,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:19:13,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:19:13,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:19:13,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:19:13,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:19:13,200 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:19:13,201 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:19:13,201 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:19:13,201 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:19:13,202 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:19:13,202 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:19:13,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:19:13,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:19:13,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:19:13,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:19:13,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:19:13,206 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:19:13,206 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:19:13,206 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:19:13,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:19:13,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:19:13,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:19:13,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:19:13,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:19:13,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:19:13,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:19:13,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:19:13,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:19:13,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:19:13,209 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:19:13,209 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:19:13,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:19:13,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:19:13,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:19:13,210 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_888c82b7-b481-4084-8188-93be61b98c69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d [2021-11-12 22:19:13,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:19:13,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:19:13,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:19:13,615 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:19:13,616 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:19:13,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-12 22:19:13,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data/9de1939de/1c746576512c49949b7b0e7ed9cab1a3/FLAG8afab4448 [2021-11-12 22:19:14,498 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:19:14,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-12 22:19:14,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data/9de1939de/1c746576512c49949b7b0e7ed9cab1a3/FLAG8afab4448 [2021-11-12 22:19:15,047 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/data/9de1939de/1c746576512c49949b7b0e7ed9cab1a3 [2021-11-12 22:19:15,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:19:15,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:19:15,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:19:15,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:19:15,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:19:15,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:19:15" (1/1) ... [2021-11-12 22:19:15,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dbdb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:15, skipping insertion in model container [2021-11-12 22:19:15,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:19:15" (1/1) ... [2021-11-12 22:19:15,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:19:15,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:19:15,540 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_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-12 22:19:15,547 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_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-12 22:19:15,570 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:19:15,577 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:19:16,844 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,846 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,847 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,848 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,879 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,881 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,883 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,884 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,888 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,889 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,892 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:16,892 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,345 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:19:17,346 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:19:17,347 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:19:17,349 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:19:17,351 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:19:17,353 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:19:17,354 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:19:17,355 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:19:17,357 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:19:17,367 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:19:17,519 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:19:17,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:19:17,565 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:19:17,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:19:17,606 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_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-12 22:19:17,607 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_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-12 22:19:17,608 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:19:17,609 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:19:17,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,650 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,651 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,652 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,653 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,653 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,654 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,654 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,705 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:19:17,706 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:19:17,706 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:19:17,707 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:19:17,708 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:19:17,709 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:19:17,709 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:19:17,710 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:19:17,710 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:19:17,711 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:19:17,732 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:19:17,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:19:17,755 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:19:17,769 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_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-12 22:19:17,769 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_888c82b7-b481-4084-8188-93be61b98c69/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-12 22:19:17,771 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:19:17,772 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:19:17,802 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,802 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,802 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,803 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,803 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,837 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,838 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,838 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,839 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,840 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,840 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,841 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,841 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:19:17,870 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:19:17,870 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:19:17,871 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:19:17,872 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:19:17,873 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:19:17,873 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:19:17,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:19:17,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:19:17,875 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:19:17,875 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:19:17,895 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:19:17,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:19:18,249 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:19:18,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18 WrapperNode [2021-11-12 22:19:18,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:19:18,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:19:18,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:19:18,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:19:18,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:19:18,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:19:18,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:19:18,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:19:18,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:19:18,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:19:18,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:19:18,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:19:18,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (1/1) ... [2021-11-12 22:19:18,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:19:18,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:19:18,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:19:18,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:19:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:19:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:19:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 22:19:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 22:19:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2021-11-12 22:19:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2021-11-12 22:19:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:19:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:19:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:19:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 22:19:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 22:19:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:19:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:19:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:19:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2021-11-12 22:19:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2021-11-12 22:19:19,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:19:19,243 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:19:19,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:19:19 BoogieIcfgContainer [2021-11-12 22:19:19,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:19:19,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:19:19,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:19:19,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:19:19,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:19:15" (1/3) ... [2021-11-12 22:19:19,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59939c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:19:19, skipping insertion in model container [2021-11-12 22:19:19,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:19:18" (2/3) ... [2021-11-12 22:19:19,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59939c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:19:19, skipping insertion in model container [2021-11-12 22:19:19,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:19:19" (3/3) ... [2021-11-12 22:19:19,254 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_insert_after_harness.i [2021-11-12 22:19:19,260 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:19:19,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:19:19,310 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:19:19,316 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:19:19,317 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:19:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 states have internal predecessors, (44), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-12 22:19:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-12 22:19:19,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:19:19,342 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-12 22:19:19,343 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:19:19,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:19:19,349 INFO L85 PathProgramCache]: Analyzing trace with hash -946824848, now seen corresponding path program 1 times [2021-11-12 22:19:19,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:19:19,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586356220] [2021-11-12 22:19:19,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:19:19,365 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:19:19,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:19:19,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:19:19,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:19:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:19:19,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 22:19:19,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:19:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 22:19:19,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:19:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-12 22:19:20,002 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:19:20,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586356220] [2021-11-12 22:19:20,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1586356220] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:19:20,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:19:20,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-12 22:19:20,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269561338] [2021-11-12 22:19:20,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:19:20,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 22:19:20,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:19:20,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 22:19:20,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:19:20,062 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 states have internal predecessors, (44), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 22:19:20,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:19:20,119 INFO L93 Difference]: Finished difference Result 122 states and 174 transitions. [2021-11-12 22:19:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 22:19:20,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2021-11-12 22:19:20,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:19:20,151 INFO L225 Difference]: With dead ends: 122 [2021-11-12 22:19:20,152 INFO L226 Difference]: Without dead ends: 58 [2021-11-12 22:19:20,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:19:20,163 INFO L933 BasicCegarLoop]: 82 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, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.86ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 22:19:20,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 3.86ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 22:19:20,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-11-12 22:19:20,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-11-12 22:19:20,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 34 states have internal predecessors, (38), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-12 22:19:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2021-11-12 22:19:20,211 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 34 [2021-11-12 22:19:20,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:19:20,213 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2021-11-12 22:19:20,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 22:19:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2021-11-12 22:19:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-12 22:19:20,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:19:20,216 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-12 22:19:20,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:19:20,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:19:20,429 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:19:20,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:19:20,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1749038484, now seen corresponding path program 1 times [2021-11-12 22:19:20,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:19:20,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606304970] [2021-11-12 22:19:20,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:19:20,434 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:19:20,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:19:20,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:19:20,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:19:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:19:20,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-12 22:19:20,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:19:20,960 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-12 22:19:20,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 42 [2021-11-12 22:19:20,976 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-12 22:19:20,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 46 [2021-11-12 22:19:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:19:22,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:19:22,678 INFO L354 Elim1Store]: treesize reduction 279, result has 14.9 percent of original size [2021-11-12 22:19:22,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 946 treesize of output 582 [2021-11-12 22:19:22,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:19:22,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:19:43,777 WARN L227 SmtUtils]: Spent 21.06s on a formula simplification. DAG size of input: 84 DAG size of output: 34 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-12 22:19:43,779 INFO L354 Elim1Store]: treesize reduction 329, result has 16.7 percent of original size [2021-11-12 22:19:43,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 598 treesize of output 209 [2021-11-12 22:19:47,007 INFO L354 Elim1Store]: treesize reduction 225, result has 35.5 percent of original size [2021-11-12 22:19:47,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 15 new quantified variables, introduced 36 case distinctions, treesize of input 303 treesize of output 280 [2021-11-12 22:19:47,311 INFO L354 Elim1Store]: treesize reduction 273, result has 9.3 percent of original size [2021-11-12 22:19:47,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 275 treesize of output 229 [2021-11-12 22:19:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 22:19:47,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:19:48,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1495 treesize of output 1415 [2021-11-12 22:19:51,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1740 treesize of output 1716 [2021-11-12 22:19:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 22:19:57,696 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:19:57,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606304970] [2021-11-12 22:19:57,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606304970] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:19:57,697 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:19:57,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [] total 20 [2021-11-12 22:19:57,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915478783] [2021-11-12 22:19:57,697 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:19:57,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-12 22:19:57,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:19:57,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-12 22:19:57,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=324, Unknown=1, NotChecked=0, Total=380 [2021-11-12 22:19:57,701 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. Second operand has 20 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2021-11-12 22:20:01,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:20:01,422 INFO L93 Difference]: Finished difference Result 89 states and 112 transitions. [2021-11-12 22:20:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-12 22:20:01,423 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 34 [2021-11-12 22:20:01,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:20:01,427 INFO L225 Difference]: With dead ends: 89 [2021-11-12 22:20:01,427 INFO L226 Difference]: Without dead ends: 87 [2021-11-12 22:20:01,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=82, Invalid=517, Unknown=1, NotChecked=0, Total=600 [2021-11-12 22:20:01,430 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 31 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 526.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.35ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 605.99ms IncrementalHoareTripleChecker+Time [2021-11-12 22:20:01,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 820 Invalid, 196 Unknown, 0 Unchecked, 13.35ms Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 69 Unchecked, 605.99ms Time] [2021-11-12 22:20:01,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-12 22:20:01,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 80. [2021-11-12 22:20:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 50 states have (on average 1.18) internal successors, (59), 52 states have internal predecessors, (59), 21 states have call successors, (21), 7 states have call predecessors, (21), 8 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2021-11-12 22:20:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 101 transitions. [2021-11-12 22:20:01,449 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 101 transitions. Word has length 34 [2021-11-12 22:20:01,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:20:01,450 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 101 transitions. [2021-11-12 22:20:01,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2021-11-12 22:20:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2021-11-12 22:20:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-12 22:20:01,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:20:01,452 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-12 22:20:01,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:20:01,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:20:01,669 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:20:01,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:20:01,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1736582186, now seen corresponding path program 1 times [2021-11-12 22:20:01,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:20:01,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330807592] [2021-11-12 22:20:01,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:20:01,671 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:20:01,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:20:01,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:20:01,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:20:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:20:01,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 22:20:01,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:22:19,800 WARN L227 SmtUtils]: Spent 2.30m on a formula simplification. DAG size of input: 127 DAG size of output: 87 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-12 22:22:19,802 INFO L354 Elim1Store]: treesize reduction 1327, result has 33.8 percent of original size [2021-11-12 22:22:19,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1143 treesize of output 883 [2021-11-12 22:22:19,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6495 treesize of output 6159 [2021-11-12 22:22:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:22:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:22:20,468 INFO L354 Elim1Store]: treesize reduction 90, result has 32.3 percent of original size [2021-11-12 22:22:20,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 510 treesize of output 458 [2021-11-12 22:22:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:22:23,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:22:23,712 INFO L354 Elim1Store]: treesize reduction 62, result has 54.7 percent of original size [2021-11-12 22:22:23,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1206 treesize of output 1168 [2021-11-12 22:31:19,506 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-12 22:31:19,507 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:31:19,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330807592] [2021-11-12 22:31:19,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-11-12 22:31:19,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1780745497] [2021-11-12 22:31:19,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:31:19,508 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 22:31:19,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 22:31:19,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2021-11-12 22:31:19,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 22:31:19,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-12 22:31:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:31:19,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-12 22:31:19,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:31:19,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-11-12 22:31:19,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232542436] [2021-11-12 22:31:19,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:31:19,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:31:19,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:31:19,871 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 22:31:19,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-12 22:31:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:31:20,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 22:31:20,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:31:20,024 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-11-12 22:31:20,024 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:31:20,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-12 22:31:20,025 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-11-12 22:31:20,025 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-12 22:31:20,032 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 22:31:20,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-12 22:31:20,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-12 22:31:20,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-12 22:31:20,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888c82b7-b481-4084-8188-93be61b98c69/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:31:20,641 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-12 22:31:20,642 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 22:31:20,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 10:31:20 BoogieIcfgContainer [2021-11-12 22:31:20,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 22:31:20,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 22:31:20,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 22:31:20,657 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 22:31:20,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:19:19" (3/4) ... [2021-11-12 22:31:20,666 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-12 22:31:20,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 22:31:20,667 INFO L158 Benchmark]: Toolchain (without parser) took 725616.06ms. Allocated memory was 56.6MB in the beginning and 142.6MB in the end (delta: 86.0MB). Free memory was 27.6MB in the beginning and 29.4MB in the end (delta: -1.8MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2021-11-12 22:31:20,667 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:31:20,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3198.75ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 27.3MB in the beginning and 49.0MB in the end (delta: -21.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2021-11-12 22:31:20,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.60ms. Allocated memory is still 88.1MB. Free memory was 49.0MB in the beginning and 43.5MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 22:31:20,668 INFO L158 Benchmark]: Boogie Preprocessor took 51.02ms. Allocated memory is still 88.1MB. Free memory was 43.5MB in the beginning and 40.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 22:31:20,669 INFO L158 Benchmark]: RCFGBuilder took 747.76ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 40.2MB in the beginning and 58.5MB in the end (delta: -18.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-12 22:31:20,669 INFO L158 Benchmark]: TraceAbstraction took 721408.80ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 29.9MB in the end (delta: 28.0MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2021-11-12 22:31:20,670 INFO L158 Benchmark]: Witness Printer took 9.44ms. Allocated memory is still 142.6MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:31:20,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3198.75ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 27.3MB in the beginning and 49.0MB in the end (delta: -21.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.60ms. Allocated memory is still 88.1MB. Free memory was 49.0MB in the beginning and 43.5MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.02ms. Allocated memory is still 88.1MB. Free memory was 43.5MB in the beginning and 40.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 747.76ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 40.2MB in the beginning and 58.5MB in the end (delta: -18.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 721408.80ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 29.9MB in the end (delta: 28.0MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Witness Printer took 9.44ms. Allocated memory is still 142.6MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L6915-L6920] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7360] static __thread int tl_last_error = 0; [L7397] CALL aws_linked_list_insert_after_harness() [L7378] struct aws_linked_list_node after; [L7379] struct aws_linked_list_node after_next; [L7380] struct aws_linked_list_node to_add; [L7382] after.next = &after_next [L7383] after_next.prev = &after [L7386] CALL aws_linked_list_insert_after(&after, &to_add) [L4863] CALL, EXPR aws_linked_list_node_next_is_valid(after) [L4720] EXPR node && node->next [L4720] EXPR node->next [L4720] EXPR node && node->next [L4720] EXPR node && node->next && node->next->prev == node [L4720] EXPR node->next [L4720] EXPR node->next->prev [L4720] EXPR node && node->next && node->next->prev == node [L4720] return node && node->next && node->next->prev == node; [L4863] RET, EXPR aws_linked_list_node_next_is_valid(after) [L4863] CALL assume_abort_if_not((aws_linked_list_node_next_is_valid(after))) [L211] COND FALSE !(!cond) [L4863] RET assume_abort_if_not((aws_linked_list_node_next_is_valid(after))) [L4864-L4866] CALL assume_abort_if_not((to_add != ((void *)0) )) [L211] COND FALSE !(!cond) [L4864-L4866] RET assume_abort_if_not((to_add != ((void *)0) )) [L4867] to_add->prev = after [L4868] EXPR after->next [L4868] to_add->next = after->next [L4869] EXPR after->next [L4869] after->next->prev = to_add [L4870] after->next = to_add [L4871] CALL, EXPR aws_linked_list_node_next_is_valid(after) [L4720] EXPR node && node->next [L4720] EXPR node->next [L4720] EXPR node && node->next [L4720] EXPR node && node->next && node->next->prev == node [L4720] return node && node->next && node->next->prev == node; [L4871] RET, EXPR aws_linked_list_node_next_is_valid(after) [L4871] CALL __VERIFIER_assert((aws_linked_list_node_next_is_valid(after))) [L223] COND TRUE !cond [L223] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 721.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 605.99ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 902 SdHoareTripleChecker+Invalid, 526.09ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 69 IncrementalHoareTripleChecker+Unchecked, 747 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 155 mSDtfsCounter, 125 mSolverCounterSat, 17.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 110 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=2, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 714.9s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 132 ConstructedInterpolants, 32 QuantifiedInterpolants, 3745 SizeOfPredicates, 28 NumberOfNonLiveVariables, 403 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 42/44 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN