./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8 --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 e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:59:59,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:59:59,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:59:59,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:59:59,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:59:59,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:59:59,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:59:59,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:59:59,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:59:59,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:59:59,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:59:59,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:59:59,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:59:59,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:59:59,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:59:59,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:59:59,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:59:59,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:59:59,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:59:59,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:59:59,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:59:59,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:59:59,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:59:59,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:59:59,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:59:59,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:59:59,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:59:59,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:59:59,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:59:59,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:59:59,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:59:59,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:59:59,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:59:59,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:59:59,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:59:59,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:59:59,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:59:59,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:59:59,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:59:59,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:59:59,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:59:59,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 00:59:59,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:59:59,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:59:59,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:59:59,897 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:59:59,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:59:59,897 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:59:59,899 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:59:59,899 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:59:59,899 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:59:59,900 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:59:59,900 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:59:59,900 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:59:59,901 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:59:59,901 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:59:59,901 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:59:59,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:59:59,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:59:59,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:59:59,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:59:59,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:59:59,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:59:59,904 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:59:59,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:59:59,904 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:59:59,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:59:59,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:59:59,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:59:59,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:59,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:59:59,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:59:59,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:59:59,907 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:59:59,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:59:59,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:59:59,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:59:59,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:59:59,908 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2021-11-07 01:00:00,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:00:00,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:00:00,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:00:00,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:00:00,225 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:00:00,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2021-11-07 01:00:00,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data/e267226b6/eac1ceddca14454cb2913f5579829cc5/FLAG26f248360 [2021-11-07 01:00:01,407 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:00:01,408 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2021-11-07 01:00:01,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data/e267226b6/eac1ceddca14454cb2913f5579829cc5/FLAG26f248360 [2021-11-07 01:00:01,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data/e267226b6/eac1ceddca14454cb2913f5579829cc5 [2021-11-07 01:00:01,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:00:01,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:00:01,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:00:01,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:00:01,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:00:01,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:01" (1/1) ... [2021-11-07 01:00:01,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202ca4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:01, skipping insertion in model container [2021-11-07 01:00:01,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:01" (1/1) ... [2021-11-07 01:00:01,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:00:01,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:00:02,321 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2021-11-07 01:00:02,334 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2021-11-07 01:00:02,369 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:00:02,386 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:00:03,732 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:03,733 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:03,733 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:03,734 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:03,736 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:03,752 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:03,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:03,760 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:03,761 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:04,515 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:00:04,518 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:00:04,521 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:00:04,524 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:00:04,533 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:00:04,538 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:00:04,540 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:00:04,543 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:00:04,545 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:00:04,550 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:00:04,849 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:00:04,967 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:04,968 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,314 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,315 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,342 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,351 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,352 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,406 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,408 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,410 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,411 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:05,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:00:05,519 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) [2021-11-07 01:00:05,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b71e939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:05, skipping insertion in model container [2021-11-07 01:00:05,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:00:05,521 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:00:05,524 INFO L168 Benchmark]: Toolchain (without parser) took 3735.86 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 65.2 MB in the beginning and 83.8 MB in the end (delta: -18.6 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:00:05,525 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:00:05,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3731.62 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 65.0 MB in the beginning and 83.8 MB in the end (delta: -18.8 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:00:05,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3731.62 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 65.0 MB in the beginning and 83.8 MB in the end (delta: -18.8 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7003]: 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8 --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 e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:00:08,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:00:08,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:00:08,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:00:08,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:00:08,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:00:08,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:00:08,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:00:08,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:00:08,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:00:08,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:00:08,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:00:08,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:00:08,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:00:08,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:00:08,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:00:08,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:00:08,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:00:08,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:00:08,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:00:08,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:00:08,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:00:08,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:00:08,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:00:08,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:00:08,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:00:08,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:00:08,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:00:08,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:00:08,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:00:08,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:00:08,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:00:08,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:00:08,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:00:08,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:00:08,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:00:08,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:00:08,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:00:08,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:00:08,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:00:08,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:00:08,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:00:08,252 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:00:08,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:00:08,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:00:08,254 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:00:08,255 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:00:08,255 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:00:08,255 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:00:08,255 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:00:08,256 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:00:08,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:00:08,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:00:08,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:00:08,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:00:08,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:00:08,260 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:00:08,260 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:00:08,260 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:00:08,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:00:08,261 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:00:08,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:00:08,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:00:08,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:00:08,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:00:08,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:00:08,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:00:08,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:00:08,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:00:08,264 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:00:08,264 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:00:08,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:00:08,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:00:08,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:00:08,265 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2021-11-07 01:00:08,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:00:08,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:00:08,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:00:08,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:00:08,801 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:00:08,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2021-11-07 01:00:08,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data/50dafff81/1e70bc83a16a4790a22f2a83fe68ed1f/FLAG4e1275fff [2021-11-07 01:00:09,916 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:00:09,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2021-11-07 01:00:09,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data/50dafff81/1e70bc83a16a4790a22f2a83fe68ed1f/FLAG4e1275fff [2021-11-07 01:00:10,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/data/50dafff81/1e70bc83a16a4790a22f2a83fe68ed1f [2021-11-07 01:00:10,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:00:10,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:00:10,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:00:10,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:00:10,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:00:10,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:10" (1/1) ... [2021-11-07 01:00:10,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156956d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:10, skipping insertion in model container [2021-11-07 01:00:10,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:10" (1/1) ... [2021-11-07 01:00:10,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:00:10,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:00:10,971 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2021-11-07 01:00:10,981 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2021-11-07 01:00:11,016 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:00:11,023 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:00:12,195 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:12,196 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:12,197 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:12,198 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:12,200 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:12,231 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:12,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:12,235 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:12,236 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:12,955 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:00:12,957 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:00:12,960 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:00:12,963 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:00:12,969 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:00:12,973 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:00:12,975 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:00:12,977 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:00:12,981 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:00:12,982 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:00:13,288 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:00:13,399 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,399 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,858 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,860 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,893 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,895 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,906 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,907 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,931 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,935 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,936 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,936 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,937 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,939 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:13,939 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:00:14,153 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:00:14,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:00:14,271 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2021-11-07 01:00:14,272 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2021-11-07 01:00:14,274 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:00:14,275 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:00:14,348 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,349 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,353 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,354 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,355 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,361 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,361 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,362 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,363 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,410 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:00:14,411 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:00:14,412 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:00:14,413 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:00:14,414 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:00:14,414 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:00:14,415 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:00:14,415 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:00:14,416 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:00:14,416 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:00:14,436 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:00:14,524 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,526 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,657 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,658 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,667 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,683 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,686 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,687 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,715 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,716 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,717 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,717 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,718 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:00:14,863 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:00:14,889 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2021-11-07 01:00:14,895 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_12795dcd-9fc9-45eb-9bed-2f198cd65dae/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2021-11-07 01:00:14,898 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:00:14,899 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:00:14,966 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,966 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,967 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,968 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,969 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,976 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,977 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,978 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:14,979 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,093 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:00:15,094 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:00:15,094 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:00:15,095 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:00:15,095 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:00:15,096 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:00:15,096 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:00:15,096 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:00:15,097 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:00:15,097 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:00:15,126 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:00:15,182 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,183 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,288 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,289 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,298 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,298 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,303 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,303 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,314 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,315 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,315 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,316 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,316 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,317 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,317 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:00:15,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:00:15,675 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:00:15,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15 WrapperNode [2021-11-07 01:00:15,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:00:15,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:00:15,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:00:15,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:00:15,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:15,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:15,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:00:15,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:00:15,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:00:15,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:00:15,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:15,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:15,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:15,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:15,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:15,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:15,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:15,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:00:15,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:00:15,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:00:15,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:00:15,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (1/1) ... [2021-11-07 01:00:16,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:00:16,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:00:16,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:00:16,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:00:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:00:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:00:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:00:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:00:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:00:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:00:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:00:17,255 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !true; [2021-11-07 01:00:17,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:00:17,274 INFO L299 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-07 01:00:17,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:17 BoogieIcfgContainer [2021-11-07 01:00:17,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:00:17,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:00:17,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:00:17,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:00:17,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:00:10" (1/3) ... [2021-11-07 01:00:17,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556807b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:17, skipping insertion in model container [2021-11-07 01:00:17,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:15" (2/3) ... [2021-11-07 01:00:17,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556807b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:17, skipping insertion in model container [2021-11-07 01:00:17,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:17" (3/3) ... [2021-11-07 01:00:17,286 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness.i [2021-11-07 01:00:17,293 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:00:17,293 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:00:17,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:00:17,386 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 [2021-11-07 01:00:17,387 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:00:17,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 51 states have (on average 1.392156862745098) internal successors, (71), 54 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:00:17,415 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:17,416 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:00:17,416 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:00:17,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:17,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1599795525, now seen corresponding path program 1 times [2021-11-07 01:00:17,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:17,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090688128] [2021-11-07 01:00:17,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:17,456 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:17,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:17,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:17,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:00:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:17,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:00:17,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:00:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:18,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:00:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:18,110 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:00:18,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090688128] [2021-11-07 01:00:18,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090688128] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:00:18,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:00:18,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:00:18,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734554669] [2021-11-07 01:00:18,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:00:18,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:00:18,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:00:18,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:00:18,143 INFO L87 Difference]: Start difference. First operand has 55 states, 51 states have (on average 1.392156862745098) internal successors, (71), 54 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:18,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:00:18,176 INFO L93 Difference]: Finished difference Result 106 states and 137 transitions. [2021-11-07 01:00:18,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:00:18,178 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:00:18,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:00:18,189 INFO L225 Difference]: With dead ends: 106 [2021-11-07 01:00:18,189 INFO L226 Difference]: Without dead ends: 50 [2021-11-07 01:00:18,193 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:00:18,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-07 01:00:18,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-07 01:00:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 49 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2021-11-07 01:00:18,240 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 25 [2021-11-07 01:00:18,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:18,241 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2021-11-07 01:00:18,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:18,241 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2021-11-07 01:00:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:00:18,244 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:18,244 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:00:18,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:18,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:00:18,462 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:00:18,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:18,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1892036256, now seen corresponding path program 1 times [2021-11-07 01:00:18,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:18,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606149609] [2021-11-07 01:00:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:18,465 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:18,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:18,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:18,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:00:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:18,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:00:18,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:00:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:19,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:00:19,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:19,289 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:00:19,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606149609] [2021-11-07 01:00:19,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606149609] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:00:19,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:00:19,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 10 [2021-11-07 01:00:19,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672242078] [2021-11-07 01:00:19,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:00:19,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:00:19,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:00:19,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:00:19,300 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:19,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:00:19,843 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2021-11-07 01:00:19,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:00:19,848 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:00:19,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:00:19,849 INFO L225 Difference]: With dead ends: 67 [2021-11-07 01:00:19,849 INFO L226 Difference]: Without dead ends: 50 [2021-11-07 01:00:19,851 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:00:19,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-07 01:00:19,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-07 01:00:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 49 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2021-11-07 01:00:19,871 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 26 [2021-11-07 01:00:19,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:19,872 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2021-11-07 01:00:19,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2021-11-07 01:00:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:00:19,874 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:19,874 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:00:19,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:20,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:00:20,096 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:00:20,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:20,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1472602148, now seen corresponding path program 1 times [2021-11-07 01:00:20,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:20,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557162655] [2021-11-07 01:00:20,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:20,099 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:20,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:20,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:20,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:00:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:20,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 01:00:20,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:00:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:20,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:00:20,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:20,825 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:00:20,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557162655] [2021-11-07 01:00:20,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557162655] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:00:20,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:00:20,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 13 [2021-11-07 01:00:20,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812356985] [2021-11-07 01:00:20,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 01:00:20,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:00:20,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 01:00:20,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:00:20,836 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:21,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:00:21,668 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-11-07 01:00:21,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:00:21,669 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:00:21,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:00:21,670 INFO L225 Difference]: With dead ends: 50 [2021-11-07 01:00:21,670 INFO L226 Difference]: Without dead ends: 48 [2021-11-07 01:00:21,671 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:00:21,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-07 01:00:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-11-07 01:00:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.0434782608695652) internal successors, (48), 47 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2021-11-07 01:00:21,679 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 27 [2021-11-07 01:00:21,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:21,679 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2021-11-07 01:00:21,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2021-11-07 01:00:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:00:21,681 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:21,682 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:00:21,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:21,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:00:21,903 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:00:21,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:21,903 INFO L85 PathProgramCache]: Analyzing trace with hash -788472151, now seen corresponding path program 1 times [2021-11-07 01:00:21,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:21,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476422057] [2021-11-07 01:00:21,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:21,905 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:21,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:21,907 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:21,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:00:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:22,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 01:00:22,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:00:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:22,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:00:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:23,002 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:00:23,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476422057] [2021-11-07 01:00:23,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476422057] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:00:23,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:00:23,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 12 [2021-11-07 01:00:23,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446253727] [2021-11-07 01:00:23,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:00:23,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:00:23,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:00:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:00:23,005 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:23,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:00:23,627 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2021-11-07 01:00:23,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:00:23,628 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 01:00:23,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:00:23,629 INFO L225 Difference]: With dead ends: 72 [2021-11-07 01:00:23,630 INFO L226 Difference]: Without dead ends: 70 [2021-11-07 01:00:23,630 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:00:23,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-07 01:00:23,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 46. [2021-11-07 01:00:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2021-11-07 01:00:23,648 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 31 [2021-11-07 01:00:23,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:23,649 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2021-11-07 01:00:23,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:23,649 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2021-11-07 01:00:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:00:23,654 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:23,654 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:00:23,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:23,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:00:23,871 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:00:23,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:23,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1439752775, now seen corresponding path program 1 times [2021-11-07 01:00:23,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:23,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237486519] [2021-11-07 01:00:23,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:23,873 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:23,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:23,874 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:23,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:00:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:00:24,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-07 01:00:24,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:00:24,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:24,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:00:24,700 INFO L354 Elim1Store]: treesize reduction 8, result has 46.7 percent of original size [2021-11-07 01:00:24,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:00:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:00:25,021 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:00:25,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237486519] [2021-11-07 01:00:25,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237486519] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:00:25,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:00:25,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-07 01:00:25,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775769] [2021-11-07 01:00:25,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:00:25,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:00:25,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:00:25,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:00:25,024 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:25,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:00:25,224 INFO L93 Difference]: Finished difference Result 70 states and 69 transitions. [2021-11-07 01:00:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:00:25,225 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:00:25,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:00:25,226 INFO L225 Difference]: With dead ends: 70 [2021-11-07 01:00:25,226 INFO L226 Difference]: Without dead ends: 46 [2021-11-07 01:00:25,227 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:00:25,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-07 01:00:25,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-07 01:00:25,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.0) internal successors, (45), 45 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2021-11-07 01:00:25,236 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 36 [2021-11-07 01:00:25,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:00:25,236 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2021-11-07 01:00:25,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:00:25,237 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2021-11-07 01:00:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 01:00:25,238 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:00:25,238 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:00:25,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:25,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:00:25,459 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:00:25,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:00:25,460 INFO L85 PathProgramCache]: Analyzing trace with hash -740992344, now seen corresponding path program 1 times [2021-11-07 01:00:25,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:00:25,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947503120] [2021-11-07 01:00:25,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:00:25,461 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:00:25,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:00:25,462 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:00:25,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:00:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:00:26,352 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:00:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:00:27,561 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 01:00:27,561 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:00:27,562 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:00:27,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:00:27,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:00:27,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:00:27,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:00:27,779 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-07 01:00:27,783 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:00:27,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:00:27 BoogieIcfgContainer [2021-11-07 01:00:27,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:00:27,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:00:27,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:00:27,931 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:00:27,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:17" (3/4) ... [2021-11-07 01:00:27,936 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:00:27,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:00:27,937 INFO L168 Benchmark]: Toolchain (without parser) took 17605.90 ms. Allocated memory was 58.7 MB in the beginning and 415.2 MB in the end (delta: 356.5 MB). Free memory was 37.0 MB in the beginning and 205.5 MB in the end (delta: -168.4 MB). Peak memory consumption was 186.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:00:27,938 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 38.9 MB in the beginning and 38.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:00:27,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5340.43 ms. Allocated memory was 58.7 MB in the beginning and 207.6 MB in the end (delta: 148.9 MB). Free memory was 36.9 MB in the beginning and 128.2 MB in the end (delta: -91.3 MB). Peak memory consumption was 89.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:00:27,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.77 ms. Allocated memory is still 207.6 MB. Free memory was 128.2 MB in the beginning and 116.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:00:27,940 INFO L168 Benchmark]: Boogie Preprocessor took 76.46 ms. Allocated memory is still 207.6 MB. Free memory was 116.6 MB in the beginning and 111.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:00:27,941 INFO L168 Benchmark]: RCFGBuilder took 1280.84 ms. Allocated memory is still 207.6 MB. Free memory was 110.4 MB in the beginning and 127.1 MB in the end (delta: -16.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:00:27,941 INFO L168 Benchmark]: TraceAbstraction took 10650.82 ms. Allocated memory was 207.6 MB in the beginning and 415.2 MB in the end (delta: 207.6 MB). Free memory was 126.1 MB in the beginning and 206.5 MB in the end (delta: -80.4 MB). Peak memory consumption was 128.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:00:27,942 INFO L168 Benchmark]: Witness Printer took 5.79 ms. Allocated memory is still 415.2 MB. Free memory was 206.5 MB in the beginning and 205.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:00:27,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 38.9 MB in the beginning and 38.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5340.43 ms. Allocated memory was 58.7 MB in the beginning and 207.6 MB in the end (delta: 148.9 MB). Free memory was 36.9 MB in the beginning and 128.2 MB in the end (delta: -91.3 MB). Peak memory consumption was 89.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 240.77 ms. Allocated memory is still 207.6 MB. Free memory was 128.2 MB in the beginning and 116.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.46 ms. Allocated memory is still 207.6 MB. Free memory was 116.6 MB in the beginning and 111.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1280.84 ms. Allocated memory is still 207.6 MB. Free memory was 110.4 MB in the beginning and 127.1 MB in the end (delta: -16.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10650.82 ms. Allocated memory was 207.6 MB in the beginning and 415.2 MB in the end (delta: 207.6 MB). Free memory was 126.1 MB in the beginning and 206.5 MB in the end (delta: -80.4 MB). Peak memory consumption was 128.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.79 ms. Allocated memory is still 415.2 MB. Free memory was 206.5 MB in the beginning and 205.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of strcmp at line 10798, overapproximation of strlen at line 11324. Possible FailurePath: [L6879-L6884] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7634-L7646] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L266] return __VERIFIER_nondet_ulong(); [L6832] size_t cap = nondet_uint64_t(); [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L6899] return malloc(size); [L6834] const char *str = bounded_malloc(cap); [L6838] str[cap - 1] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L6839] return str; VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L11318] const char *str1 = ensure_c_str_is_allocated(64); [L261] return __VERIFIER_nondet_bool(); [L11319] EXPR nondet_bool() ? str1 : ensure_c_str_is_allocated(64) [L266] return __VERIFIER_nondet_ulong(); [L6832] size_t cap = nondet_uint64_t(); [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L6899] return malloc(size); [L6834] const char *str = bounded_malloc(cap); [L6838] str[cap - 1] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L6839] return str; VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L11319] EXPR nondet_bool() ? str1 : ensure_c_str_is_allocated(64) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L11319] const char *str2 = nondet_bool() ? str1 : ensure_c_str_is_allocated(64); [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L10797-L10798] _Bool rval = !strcmp(a, b); [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L10799] aws_c_string_is_valid(a) && aws_c_string_is_valid(b) [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L10799] aws_c_string_is_valid(a) && aws_c_string_is_valid(b) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L223] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L10799] return rval; VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L11321-L11322] _Bool rval = aws_hash_callback_c_str_eq(str1, str2); [L11323] COND TRUE \read(rval) [L11324] size_t len = strlen(str1); [L223] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L7114-L7117] COND TRUE len > 0 && a != ((void *)0) && b != ((void *)0) [L266] return __VERIFIER_nondet_ulong(); [L7119] size_t i = nondet_uint64_t(); [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L7123] a[i] [L7123] b[i] [L223] COND TRUE !cond VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] [L223] reach_error() VAL [s_can_fail_allocator_static={-17:0}, s_tolower_table={-144115188075855873:0}] - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 588 SDslu, 650 SDs, 0 SdLazy, 266 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 1013 SizeOfPredicates, 58 NumberOfNonLiveVariables, 1933 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 01:00:28,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12795dcd-9fc9-45eb-9bed-2f198cd65dae/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample