./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_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_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/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_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/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_9fc98409-5d35-4966-b997-c2d67fa7fa70/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 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:28:29,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:28:29,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:28:29,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:28:29,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:28:29,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:28:29,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:28:29,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:28:29,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:28:29,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:28:29,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:28:29,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:28:29,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:28:29,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:28:29,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:28:29,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:28:29,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:28:29,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:28:29,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:28:29,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:28:29,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:28:29,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:28:29,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:28:29,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:28:29,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:28:29,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:28:29,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:28:29,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:28:29,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:28:29,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:28:29,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:28:29,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:28:29,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:28:29,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:28:29,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:28:29,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:28:29,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:28:29,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:28:29,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:28:29,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:28:29,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:28:29,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:28:29,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:28:29,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:28:29,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:28:29,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:28:29,980 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:28:29,980 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:28:29,980 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:28:29,981 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:28:29,981 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:28:29,981 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:28:29,981 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:28:29,981 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:28:29,981 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:28:29,982 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:28:29,982 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:28:29,982 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:28:29,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:28:29,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:28:29,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:28:29,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:28:29,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:28:29,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:28:29,986 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:28:29,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:28:29,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:28:29,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:28:29,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:28:29,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:28:29,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:28:29,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:28:29,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:28:29,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:28:29,991 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:28:29,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:28:29,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:28:29,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:28:29,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:28:29,993 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 [2021-11-13 02:28:30,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:28:30,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:28:30,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:28:30,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:28:30,276 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:28:30,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2021-11-13 02:28:30,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data/d1c756cd6/15826fa4bf374b3181335ffd08e40e3f/FLAG474dd5f18 [2021-11-13 02:28:31,279 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:28:31,280 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2021-11-13 02:28:31,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data/d1c756cd6/15826fa4bf374b3181335ffd08e40e3f/FLAG474dd5f18 [2021-11-13 02:28:31,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data/d1c756cd6/15826fa4bf374b3181335ffd08e40e3f [2021-11-13 02:28:31,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:28:31,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:28:31,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:28:31,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:28:31,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:28:31,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:28:31" (1/1) ... [2021-11-13 02:28:31,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21aa24bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:31, skipping insertion in model container [2021-11-13 02:28:31,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:28:31" (1/1) ... [2021-11-13 02:28:31,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:28:32,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:28:32,260 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2021-11-13 02:28:32,267 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2021-11-13 02:28:32,291 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:28:32,297 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:28:33,252 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:28:33,366 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,369 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,370 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,371 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,373 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,408 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,411 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,411 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,413 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,414 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,415 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,416 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:33,837 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:28:33,838 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:28:33,840 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:28:33,841 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:28:33,843 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:28:33,844 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:28:33,852 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:28:33,854 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:28:33,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:28:33,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:28:34,038 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:34,065 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:34,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:28:34,154 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) [2021-11-13 02:28:34,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d56b14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:34, skipping insertion in model container [2021-11-13 02:28:34,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:28:34,156 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:28:34,158 INFO L158 Benchmark]: Toolchain (without parser) took 2320.47ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 59.5MB in the beginning and 73.2MB in the end (delta: -13.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-13 02:28:34,158 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:28:34,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2316.46ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 59.3MB in the beginning and 73.2MB in the end (delta: -14.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-13 02:28:34,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2316.46ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 59.3MB in the beginning and 73.2MB in the end (delta: -14.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2886]: 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/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_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/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_9fc98409-5d35-4966-b997-c2d67fa7fa70/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 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:28:36,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:28:36,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:28:36,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:28:36,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:28:36,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:28:36,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:28:36,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:28:36,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:28:36,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:28:36,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:28:36,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:28:36,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:28:36,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:28:36,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:28:36,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:28:36,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:28:36,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:28:36,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:28:36,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:28:36,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:28:36,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:28:36,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:28:36,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:28:36,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:28:36,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:28:36,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:28:36,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:28:36,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:28:36,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:28:36,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:28:36,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:28:36,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:28:36,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:28:36,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:28:36,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:28:36,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:28:36,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:28:36,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:28:36,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:28:36,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:28:36,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:28:36,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:28:36,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:28:36,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:28:36,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:28:36,617 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:28:36,618 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:28:36,618 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:28:36,618 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:28:36,618 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:28:36,619 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:28:36,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:28:36,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:28:36,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:28:36,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:28:36,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:28:36,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:28:36,621 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:28:36,621 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:28:36,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:28:36,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:28:36,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:28:36,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:28:36,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:28:36,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:28:36,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:28:36,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:28:36,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:28:36,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:28:36,624 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:28:36,624 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:28:36,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:28:36,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:28:36,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:28:36,625 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 [2021-11-13 02:28:37,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:28:37,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:28:37,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:28:37,052 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:28:37,053 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:28:37,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2021-11-13 02:28:37,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data/0038158c9/7b724136803e4b58919696807a4dd560/FLAG9af99b4ce [2021-11-13 02:28:38,010 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:28:38,010 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2021-11-13 02:28:38,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data/0038158c9/7b724136803e4b58919696807a4dd560/FLAG9af99b4ce [2021-11-13 02:28:38,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/data/0038158c9/7b724136803e4b58919696807a4dd560 [2021-11-13 02:28:38,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:28:38,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:28:38,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:28:38,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:28:38,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:28:38,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:28:38" (1/1) ... [2021-11-13 02:28:38,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c95bcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:38, skipping insertion in model container [2021-11-13 02:28:38,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:28:38" (1/1) ... [2021-11-13 02:28:38,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:28:38,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:28:38,970 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2021-11-13 02:28:38,981 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2021-11-13 02:28:39,006 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:28:39,013 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:28:39,915 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:28:39,984 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:39,985 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:39,985 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:39,986 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:39,987 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,004 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,005 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,007 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,008 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,009 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,010 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,373 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:28:40,375 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:28:40,376 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:28:40,377 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:28:40,379 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:28:40,380 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:28:40,381 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:28:40,382 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:28:40,383 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:28:40,384 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:28:40,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,543 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:28:40,675 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:28:40,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:28:40,724 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2021-11-13 02:28:40,725 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2021-11-13 02:28:40,728 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:28:40,730 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:28:40,804 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:28:40,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,836 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,836 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,837 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,844 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,846 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,847 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,848 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,849 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,849 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,850 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,891 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:28:40,897 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:28:40,898 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:28:40,899 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:28:40,900 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:28:40,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:28:40,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:28:40,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:28:40,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:28:40,904 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:28:40,959 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:40,964 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:28:41,034 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:28:41,061 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2021-11-13 02:28:41,062 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_9fc98409-5d35-4966-b997-c2d67fa7fa70/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2021-11-13 02:28:41,064 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:28:41,068 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:28:41,113 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:28:41,125 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,126 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,126 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,127 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,127 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,133 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,134 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,135 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,135 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,136 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,137 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,137 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,138 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,169 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:28:41,170 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:28:41,170 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:28:41,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:28:41,172 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:28:41,173 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:28:41,173 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:28:41,174 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:28:41,174 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:28:41,175 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:28:41,199 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,204 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:28:41,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:28:41,514 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:28:41,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41 WrapperNode [2021-11-13 02:28:41,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:28:41,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:28:41,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:28:41,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:28:41,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:28:41,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:28:41,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:28:41,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:28:41,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:28:41,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:28:41,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:28:41,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:28:41,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (1/1) ... [2021-11-13 02:28:41,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:28:41,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:28:41,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:28:41,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:28:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:28:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-13 02:28:41,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-13 02:28:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-13 02:28:41,957 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-13 02:28:41,957 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-13 02:28:41,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-13 02:28:41,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:28:41,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:28:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:28:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-13 02:28:41,958 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-13 02:28:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 02:28:41,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 02:28:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:28:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:28:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:28:41,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:28:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-13 02:28:41,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-13 02:28:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:28:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-13 02:28:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-13 02:28:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:28:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-13 02:28:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-13 02:28:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-13 02:28:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-13 02:28:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 02:28:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 02:28:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:28:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-13 02:28:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:28:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:28:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:28:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:28:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-13 02:28:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-13 02:28:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-13 02:28:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-13 02:28:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-13 02:28:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-13 02:28:55,020 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:28:55,021 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:28:55,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:28:55 BoogieIcfgContainer [2021-11-13 02:28:55,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:28:55,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:28:55,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:28:55,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:28:55,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:28:38" (1/3) ... [2021-11-13 02:28:55,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba8fbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:28:55, skipping insertion in model container [2021-11-13 02:28:55,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:41" (2/3) ... [2021-11-13 02:28:55,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba8fbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:28:55, skipping insertion in model container [2021-11-13 02:28:55,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:28:55" (3/3) ... [2021-11-13 02:28:55,033 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_length_harness.i [2021-11-13 02:28:55,040 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:28:55,043 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:28:55,103 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:28:55,115 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 [2021-11-13 02:28:55,116 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:28:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-11-13 02:28:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 02:28:55,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:55,151 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:28:55,152 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:55,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:55,156 INFO L85 PathProgramCache]: Analyzing trace with hash -99039486, now seen corresponding path program 1 times [2021-11-13 02:28:55,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:28:55,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446598529] [2021-11-13 02:28:55,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:55,179 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:28:55,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:28:55,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:28:55,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:28:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:59,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 1651 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 02:28:59,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-13 02:28:59,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-13 02:28:59,848 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:28:59,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446598529] [2021-11-13 02:28:59,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446598529] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:28:59,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:28:59,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-13 02:28:59,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517143350] [2021-11-13 02:28:59,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:59,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 02:28:59,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:28:59,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 02:28:59,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:28:59,897 INFO L87 Difference]: Start difference. First operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-13 02:28:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:59,961 INFO L93 Difference]: Finished difference Result 239 states and 319 transitions. [2021-11-13 02:28:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 02:28:59,963 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2021-11-13 02:28:59,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:59,972 INFO L225 Difference]: With dead ends: 239 [2021-11-13 02:28:59,973 INFO L226 Difference]: Without dead ends: 114 [2021-11-13 02:28:59,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:28:59,981 INFO L933 BasicCegarLoop]: 152 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, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:59,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 3.19ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 02:29:00,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-11-13 02:29:00,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2021-11-13 02:29:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 72 states have internal predecessors, (82), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-11-13 02:29:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2021-11-13 02:29:00,064 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 71 [2021-11-13 02:29:00,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:29:00,065 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2021-11-13 02:29:00,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-13 02:29:00,068 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2021-11-13 02:29:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 02:29:00,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:29:00,076 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:29:00,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:29:00,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:29:00,295 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:29:00,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:29:00,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1637360440, now seen corresponding path program 1 times [2021-11-13 02:29:00,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:29:00,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961483710] [2021-11-13 02:29:00,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:29:00,301 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:29:00,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:29:00,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:29:00,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:29:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:29:04,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 1651 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:29:04,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:29:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 02:29:04,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:29:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 02:29:04,960 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:29:04,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961483710] [2021-11-13 02:29:04,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961483710] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:29:04,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:29:04,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-13 02:29:04,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644692755] [2021-11-13 02:29:04,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:29:04,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:29:04,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:29:04,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:29:04,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:29:04,964 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-13 02:29:05,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:29:05,362 INFO L93 Difference]: Finished difference Result 193 states and 240 transitions. [2021-11-13 02:29:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:29:05,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 71 [2021-11-13 02:29:05,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:29:05,367 INFO L225 Difference]: With dead ends: 193 [2021-11-13 02:29:05,368 INFO L226 Difference]: Without dead ends: 116 [2021-11-13 02:29:05,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:29:05,371 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 29 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 287.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.78ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 337.10ms IncrementalHoareTripleChecker+Time [2021-11-13 02:29:05,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 463 Invalid, 51 Unknown, 0 Unchecked, 6.78ms Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 337.10ms Time] [2021-11-13 02:29:05,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-13 02:29:05,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-11-13 02:29:05,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 74 states have internal predecessors, (83), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 28 states have call predecessors, (30), 28 states have call successors, (30) [2021-11-13 02:29:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 143 transitions. [2021-11-13 02:29:05,389 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 143 transitions. Word has length 71 [2021-11-13 02:29:05,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:29:05,389 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 143 transitions. [2021-11-13 02:29:05,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-13 02:29:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2021-11-13 02:29:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 02:29:05,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:29:05,394 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:29:05,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:29:05,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:29:05,615 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:29:05,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:29:05,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1609710428, now seen corresponding path program 1 times [2021-11-13 02:29:05,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:29:05,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1241323395] [2021-11-13 02:29:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:29:05,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:29:05,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:29:05,620 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:29:05,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:29:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:29:09,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:29:09,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:29:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 02:29:10,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:29:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 02:29:10,769 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:29:10,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1241323395] [2021-11-13 02:29:10,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1241323395] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:29:10,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:29:10,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-11-13 02:29:10,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155174836] [2021-11-13 02:29:10,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:29:10,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:29:10,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:29:10,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:29:10,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:29:10,772 INFO L87 Difference]: Start difference. First operand 116 states and 143 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-13 02:29:11,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:29:11,427 INFO L93 Difference]: Finished difference Result 182 states and 221 transitions. [2021-11-13 02:29:11,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 02:29:11,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 86 [2021-11-13 02:29:11,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:29:11,435 INFO L225 Difference]: With dead ends: 182 [2021-11-13 02:29:11,435 INFO L226 Difference]: Without dead ends: 114 [2021-11-13 02:29:11,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-13 02:29:11,437 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 37 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 512.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.81ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 562.79ms IncrementalHoareTripleChecker+Time [2021-11-13 02:29:11,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 679 Invalid, 99 Unknown, 0 Unchecked, 6.81ms Time], IncrementalHoareTripleChecker [10 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 562.79ms Time] [2021-11-13 02:29:11,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-11-13 02:29:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2021-11-13 02:29:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.1408450704225352) internal successors, (81), 72 states have internal predecessors, (81), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-11-13 02:29:11,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2021-11-13 02:29:11,458 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 86 [2021-11-13 02:29:11,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:29:11,459 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2021-11-13 02:29:11,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-13 02:29:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2021-11-13 02:29:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 02:29:11,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:29:11,464 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:29:11,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:29:11,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:29:11,665 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:29:11,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:29:11,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1101790620, now seen corresponding path program 1 times [2021-11-13 02:29:11,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:29:11,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574721006] [2021-11-13 02:29:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:29:11,669 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:29:11,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:29:11,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:29:11,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc98409-5d35-4966-b997-c2d67fa7fa70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:32:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:38,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1891 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-13 02:32:38,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:38,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 02:32:40,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:32:40,963 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-13 02:32:40,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 90 [2021-11-13 02:33:35,679 WARN L227 SmtUtils]: Spent 32.39s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 02:33:49,870 WARN L227 SmtUtils]: Spent 10.49s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 02:34:08,699 WARN L227 SmtUtils]: Spent 14.88s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 02:34:28,080 WARN L227 SmtUtils]: Spent 14.18s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 02:35:44,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:44,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:45,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:45,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:45,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:45,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:35:51,440 WARN L227 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 536 DAG size of output: 84 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 02:35:51,442 INFO L354 Elim1Store]: treesize reduction 5843, result has 2.6 percent of original size [2021-11-13 02:35:51,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 363 treesize of output 411 [2021-11-13 02:35:52,215 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-13 02:35:52,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 388 treesize of output 389 [2021-11-13 02:37:27,518 INFO L354 Elim1Store]: treesize reduction 150, result has 26.8 percent of original size [2021-11-13 02:37:27,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 767 treesize of output 807