./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/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 c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:52:51,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:52:51,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:52:51,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:52:51,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:52:51,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:52:51,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:52:51,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:52:51,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:52:51,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:52:51,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:52:51,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:52:51,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:52:51,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:52:51,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:52:51,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:52:51,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:52:51,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:52:51,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:52:51,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:52:51,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:52:51,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:52:51,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:52:51,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:52:51,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:52:51,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:52:51,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:52:51,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:52:51,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:52:51,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:52:51,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:52:51,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:52:51,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:52:51,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:52:51,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:52:51,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:52:51,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:52:51,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:52:51,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:52:51,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:52:51,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:52:51,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:52:51,525 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:52:51,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:52:51,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:52:51,527 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:52:51,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:52:51,528 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:52:51,528 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:52:51,529 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:52:51,536 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:52:51,536 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:52:51,538 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:52:51,538 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:52:51,539 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:52:51,539 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:52:51,539 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:52:51,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:52:51,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:52:51,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:52:51,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:52:51,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:52:51,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:52:51,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:52:51,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:52:51,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:52:51,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:52:51,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:52:51,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:52:51,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:52:51,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:52:51,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:52:51,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:52:51,547 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:52:51,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:52:51,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:52:51,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:52:51,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:52:51,549 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b [2021-11-07 01:52:51,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:52:51,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:52:51,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:52:51,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:52:51,914 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:52:51,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2021-11-07 01:52:51,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data/23d22f25a/cc15df721a98453bbef603f442852cde/FLAGcbacca392 [2021-11-07 01:52:52,912 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:52:52,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2021-11-07 01:52:52,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data/23d22f25a/cc15df721a98453bbef603f442852cde/FLAGcbacca392 [2021-11-07 01:52:53,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data/23d22f25a/cc15df721a98453bbef603f442852cde [2021-11-07 01:52:53,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:52:53,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:52:53,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:52:53,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:52:53,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:52:53,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:52:53" (1/1) ... [2021-11-07 01:52:53,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b75d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:52:53, skipping insertion in model container [2021-11-07 01:52:53,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:52:53" (1/1) ... [2021-11-07 01:52:53,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:52:53,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:52:53,891 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2021-11-07 01:52:53,901 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2021-11-07 01:52:53,927 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:52:53,942 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:52:54,841 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:52:54,951 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,952 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,953 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,954 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,966 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,967 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,968 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,969 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,971 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,972 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,973 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:54,973 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:55,364 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:52:55,366 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:52:55,367 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:52:55,368 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:52:55,370 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:52:55,371 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:52:55,372 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:52:55,372 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:52:55,373 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:52:55,374 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:52:55,517 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:55,517 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:55,522 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:55,529 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:55,614 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:52:55,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:52:55,694 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 01:52:55,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@704c621a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:52:55, skipping insertion in model container [2021-11-07 01:52:55,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:52:55,695 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:52:55,701 INFO L168 Benchmark]: Toolchain (without parser) took 2223.02 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 57.9 MB in the beginning and 87.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:55,702 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:52:55,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2213.23 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 57.6 MB in the beginning and 88.5 MB in the end (delta: -30.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:55,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2213.23 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 57.6 MB in the beginning and 88.5 MB in the end (delta: -30.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2886]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/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 c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:52:58,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:52:58,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:52:58,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:52:58,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:52:58,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:52:58,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:52:58,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:52:58,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:52:58,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:52:58,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:52:58,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:52:58,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:52:58,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:52:58,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:52:58,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:52:58,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:52:58,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:52:58,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:52:58,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:52:58,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:52:58,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:52:58,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:52:58,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:52:58,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:52:58,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:52:58,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:52:58,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:52:58,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:52:58,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:52:58,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:52:58,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:52:58,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:52:58,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:52:58,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:52:58,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:52:58,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:52:58,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:52:58,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:52:58,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:52:58,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:52:58,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:52:58,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:52:58,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:52:58,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:52:58,276 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:52:58,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:52:58,277 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:52:58,277 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:52:58,277 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:52:58,278 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:52:58,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:52:58,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:52:58,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:52:58,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:52:58,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:52:58,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:52:58,286 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:52:58,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:52:58,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:52:58,287 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:52:58,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:52:58,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:52:58,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:52:58,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:52:58,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:52:58,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:52:58,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:52:58,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:52:58,289 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:52:58,289 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:52:58,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:52:58,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:52:58,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:52:58,290 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b [2021-11-07 01:52:58,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:52:58,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:52:58,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:52:58,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:52:58,726 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:52:58,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2021-11-07 01:52:58,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data/1eae6472d/d11d6402664e489c93c8048af9e8ed15/FLAG81f10855f [2021-11-07 01:52:59,749 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:52:59,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2021-11-07 01:52:59,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data/1eae6472d/d11d6402664e489c93c8048af9e8ed15/FLAG81f10855f [2021-11-07 01:53:00,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/data/1eae6472d/d11d6402664e489c93c8048af9e8ed15 [2021-11-07 01:53:00,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:53:00,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:53:00,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:53:00,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:53:00,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:53:00,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:00" (1/1) ... [2021-11-07 01:53:00,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5008fee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:00, skipping insertion in model container [2021-11-07 01:53:00,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:00" (1/1) ... [2021-11-07 01:53:00,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:53:00,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:53:00,802 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2021-11-07 01:53:00,815 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2021-11-07 01:53:00,839 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:53:00,847 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:53:01,740 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:53:01,823 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,824 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,824 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,825 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,827 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,843 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,843 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,846 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,848 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,849 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,850 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:01,850 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,297 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:53:02,298 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:53:02,299 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:53:02,301 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:53:02,303 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:53:02,304 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:53:02,304 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:53:02,305 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:53:02,306 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:53:02,307 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:53:02,536 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,536 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,543 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,553 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:53:02,686 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:53:02,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:53:02,774 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2021-11-07 01:53:02,774 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2021-11-07 01:53:02,776 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:53:02,777 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:53:02,847 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:53:02,878 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,879 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,879 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,880 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,881 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,901 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,902 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,908 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,909 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,912 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,915 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,915 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,916 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:02,992 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:53:02,993 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:53:02,994 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:53:02,995 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:53:03,001 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:53:03,005 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:53:03,005 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:53:03,006 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:53:03,008 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:53:03,009 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:53:03,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,078 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,084 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,132 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:53:03,166 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:53:03,198 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2021-11-07 01:53:03,198 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_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2021-11-07 01:53:03,221 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:53:03,224 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:53:03,265 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:53:03,283 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,283 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,284 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,285 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,286 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,295 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,295 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,296 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,297 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,299 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,300 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,300 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,301 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,350 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:53:03,352 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:53:03,353 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:53:03,353 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:53:03,355 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:53:03,356 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:53:03,357 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:53:03,357 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:53:03,359 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:53:03,360 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:53:03,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,415 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,416 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,421 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,453 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:53:03,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:53:03,725 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:53:03,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03 WrapperNode [2021-11-07 01:53:03,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:53:03,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:53:03,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:53:03,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:53:03,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:03,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:04,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:53:04,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:53:04,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:53:04,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:53:04,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:04,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:04,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:04,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:04,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:04,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:04,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:04,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:53:04,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:53:04,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:53:04,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:53:04,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (1/1) ... [2021-11-07 01:53:04,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:53:04,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:53:04,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:53:04,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:53:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:53:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:53:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:53:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:53:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:53:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:53:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:53:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:53:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:53:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:53:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-07 01:53:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:53:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-07 01:53:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:53:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:53:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:53:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:53:22,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:53:22,555 INFO L299 CfgBuilder]: Removed 296 assume(true) statements. [2021-11-07 01:53:22,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:53:22 BoogieIcfgContainer [2021-11-07 01:53:22,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:53:22,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:53:22,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:53:22,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:53:22,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:53:00" (1/3) ... [2021-11-07 01:53:22,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9577a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:53:22, skipping insertion in model container [2021-11-07 01:53:22,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03" (2/3) ... [2021-11-07 01:53:22,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9577a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:53:22, skipping insertion in model container [2021-11-07 01:53:22,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:53:22" (3/3) ... [2021-11-07 01:53:22,566 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_ensure_capacity_harness.i [2021-11-07 01:53:22,571 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:53:22,571 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-07 01:53:22,622 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:53:22,628 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 01:53:22,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-07 01:53:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 349 states, 329 states have (on average 1.4164133738601823) internal successors, (466), 348 states have internal predecessors, (466), 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 01:53:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:53:22,676 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:22,677 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] [2021-11-07 01:53:22,677 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 01:53:22,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:22,683 INFO L85 PathProgramCache]: Analyzing trace with hash -649269600, now seen corresponding path program 1 times [2021-11-07 01:53:22,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:22,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489128288] [2021-11-07 01:53:22,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:22,706 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:22,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:22,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:22,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:53:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:26,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:53:26,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:26,855 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 01:53:26,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:27,075 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 01:53:27,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:27,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489128288] [2021-11-07 01:53:27,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489128288] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:27,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:27,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:53:27,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259451030] [2021-11-07 01:53:27,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:53:27,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:27,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:53:27,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:53:27,100 INFO L87 Difference]: Start difference. First operand has 349 states, 329 states have (on average 1.4164133738601823) internal successors, (466), 348 states have internal predecessors, (466), 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 01:53:27,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:27,167 INFO L93 Difference]: Finished difference Result 694 states and 927 transitions. [2021-11-07 01:53:27,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:53:27,168 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2021-11-07 01:53:27,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:27,186 INFO L225 Difference]: With dead ends: 694 [2021-11-07 01:53:27,186 INFO L226 Difference]: Without dead ends: 341 [2021-11-07 01:53:27,190 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:53:27,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-07 01:53:27,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-11-07 01:53:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 322 states have (on average 1.3012422360248448) internal successors, (419), 340 states have internal predecessors, (419), 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 01:53:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 419 transitions. [2021-11-07 01:53:27,261 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 419 transitions. Word has length 34 [2021-11-07 01:53:27,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:27,261 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 419 transitions. [2021-11-07 01:53:27,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 01:53:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 419 transitions. [2021-11-07 01:53:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:53:27,266 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:27,267 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] [2021-11-07 01:53:27,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:53:27,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:27,478 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 01:53:27,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:27,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1819461034, now seen corresponding path program 1 times [2021-11-07 01:53:27,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:27,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517336115] [2021-11-07 01:53:27,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:27,482 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:27,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:27,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:27,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:53:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:31,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:53:31,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:31,501 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 01:53:31,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:31,648 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 01:53:31,648 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:31,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517336115] [2021-11-07 01:53:31,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517336115] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:31,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:31,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:53:31,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612718331] [2021-11-07 01:53:31,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:53:31,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:31,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:53:31,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:53:31,652 INFO L87 Difference]: Start difference. First operand 341 states and 419 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 01:53:31,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:31,720 INFO L93 Difference]: Finished difference Result 669 states and 823 transitions. [2021-11-07 01:53:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:53:31,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2021-11-07 01:53:31,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:31,724 INFO L225 Difference]: With dead ends: 669 [2021-11-07 01:53:31,724 INFO L226 Difference]: Without dead ends: 342 [2021-11-07 01:53:31,727 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:53:31,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-11-07 01:53:31,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2021-11-07 01:53:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 323 states have (on average 1.3003095975232197) internal successors, (420), 341 states have internal predecessors, (420), 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 01:53:31,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 420 transitions. [2021-11-07 01:53:31,747 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 420 transitions. Word has length 34 [2021-11-07 01:53:31,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:31,747 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 420 transitions. [2021-11-07 01:53:31,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 01:53:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 420 transitions. [2021-11-07 01:53:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:53:31,749 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:31,749 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] [2021-11-07 01:53:31,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:31,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:31,971 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 01:53:31,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:31,971 INFO L85 PathProgramCache]: Analyzing trace with hash 433257640, now seen corresponding path program 1 times [2021-11-07 01:53:31,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:31,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101436762] [2021-11-07 01:53:31,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:31,975 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:31,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:31,977 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:31,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:53:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:35,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 1614 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:53:35,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:36,114 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 01:53:36,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:36,298 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 01:53:36,299 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:36,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101436762] [2021-11-07 01:53:36,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101436762] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:36,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:36,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:53:36,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555546695] [2021-11-07 01:53:36,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:53:36,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:36,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:53:36,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:53:36,301 INFO L87 Difference]: Start difference. First operand 342 states and 420 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 01:53:37,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:37,643 INFO L93 Difference]: Finished difference Result 652 states and 800 transitions. [2021-11-07 01:53:37,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:53:37,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2021-11-07 01:53:37,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:37,647 INFO L225 Difference]: With dead ends: 652 [2021-11-07 01:53:37,647 INFO L226 Difference]: Without dead ends: 342 [2021-11-07 01:53:37,649 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:53:37,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-11-07 01:53:37,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2021-11-07 01:53:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 323 states have (on average 1.2910216718266254) internal successors, (417), 341 states have internal predecessors, (417), 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 01:53:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 417 transitions. [2021-11-07 01:53:37,667 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 417 transitions. Word has length 34 [2021-11-07 01:53:37,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:37,667 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 417 transitions. [2021-11-07 01:53:37,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 01:53:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 417 transitions. [2021-11-07 01:53:37,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:53:37,670 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:37,670 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, 1, 1, 1, 1, 1] [2021-11-07 01:53:37,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:37,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:37,887 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 01:53:37,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:37,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1339226978, now seen corresponding path program 1 times [2021-11-07 01:53:37,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:37,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172838313] [2021-11-07 01:53:37,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:37,890 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:37,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:37,891 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:37,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:53:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:42,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 1729 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:53:42,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:42,788 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 01:53:42,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:42,938 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 01:53:42,939 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:42,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172838313] [2021-11-07 01:53:42,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172838313] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:42,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:42,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:53:42,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854274526] [2021-11-07 01:53:42,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:53:42,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:42,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:53:42,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:53:42,943 INFO L87 Difference]: Start difference. First operand 342 states and 417 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 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 01:53:44,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:44,173 INFO L93 Difference]: Finished difference Result 713 states and 880 transitions. [2021-11-07 01:53:44,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:53:44,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 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) Word has length 50 [2021-11-07 01:53:44,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:44,178 INFO L225 Difference]: With dead ends: 713 [2021-11-07 01:53:44,178 INFO L226 Difference]: Without dead ends: 402 [2021-11-07 01:53:44,179 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:53:44,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2021-11-07 01:53:44,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 366. [2021-11-07 01:53:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 347 states have (on average 1.2708933717579252) internal successors, (441), 365 states have internal predecessors, (441), 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 01:53:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 441 transitions. [2021-11-07 01:53:44,194 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 441 transitions. Word has length 50 [2021-11-07 01:53:44,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:44,195 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 441 transitions. [2021-11-07 01:53:44,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 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 01:53:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 441 transitions. [2021-11-07 01:53:44,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:53:44,197 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:44,198 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, 1, 1, 1, 1, 1] [2021-11-07 01:53:44,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:44,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:44,415 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 01:53:44,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:44,416 INFO L85 PathProgramCache]: Analyzing trace with hash -521578528, now seen corresponding path program 1 times [2021-11-07 01:53:44,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:44,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005293060] [2021-11-07 01:53:44,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:44,420 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:44,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:44,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:44,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:53:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:48,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:53:48,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:49,220 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 01:53:49,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:49,559 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 01:53:49,559 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:49,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005293060] [2021-11-07 01:53:49,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005293060] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:49,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:49,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:53:49,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644959388] [2021-11-07 01:53:49,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:53:49,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:49,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:53:49,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:53:49,562 INFO L87 Difference]: Start difference. First operand 366 states and 441 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 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 01:53:51,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:51,016 INFO L93 Difference]: Finished difference Result 657 states and 790 transitions. [2021-11-07 01:53:51,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:53:51,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 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) Word has length 50 [2021-11-07 01:53:51,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:51,022 INFO L225 Difference]: With dead ends: 657 [2021-11-07 01:53:51,022 INFO L226 Difference]: Without dead ends: 366 [2021-11-07 01:53:51,023 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:53:51,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-07 01:53:51,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2021-11-07 01:53:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 347 states have (on average 1.2536023054755043) internal successors, (435), 365 states have internal predecessors, (435), 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 01:53:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 435 transitions. [2021-11-07 01:53:51,038 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 435 transitions. Word has length 50 [2021-11-07 01:53:51,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:51,039 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 435 transitions. [2021-11-07 01:53:51,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 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 01:53:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 435 transitions. [2021-11-07 01:53:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:53:51,040 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:51,041 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:53:51,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:51,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:51,263 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 01:53:51,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:51,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1101114756, now seen corresponding path program 1 times [2021-11-07 01:53:51,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:51,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883443577] [2021-11-07 01:53:51,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:51,268 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:51,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:51,268 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:51,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:53:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:56,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:53:56,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:56,306 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 01:53:56,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:56,430 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 01:53:56,430 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:56,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883443577] [2021-11-07 01:53:56,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883443577] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:56,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:56,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:53:56,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137444617] [2021-11-07 01:53:56,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:53:56,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:56,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:53:56,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:53:56,432 INFO L87 Difference]: Start difference. First operand 366 states and 435 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 01:53:56,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:56,584 INFO L93 Difference]: Finished difference Result 864 states and 1019 transitions. [2021-11-07 01:53:56,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:53:56,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 58 [2021-11-07 01:53:56,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:56,589 INFO L225 Difference]: With dead ends: 864 [2021-11-07 01:53:56,589 INFO L226 Difference]: Without dead ends: 630 [2021-11-07 01:53:56,590 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:53:56,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-11-07 01:53:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 369. [2021-11-07 01:53:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 350 states have (on average 1.2514285714285713) internal successors, (438), 368 states have internal predecessors, (438), 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 01:53:56,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 438 transitions. [2021-11-07 01:53:56,610 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 438 transitions. Word has length 58 [2021-11-07 01:53:56,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:56,610 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 438 transitions. [2021-11-07 01:53:56,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 01:53:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 438 transitions. [2021-11-07 01:53:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:53:56,612 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:56,612 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:53:56,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:56,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:56,827 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 01:53:56,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:56,827 INFO L85 PathProgramCache]: Analyzing trace with hash -397693120, now seen corresponding path program 1 times [2021-11-07 01:53:56,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:56,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324919954] [2021-11-07 01:53:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:56,830 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:56,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:56,832 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:56,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:54:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:54:01,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:54:01,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:02,087 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 01:54:02,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:54:02,435 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 01:54:02,435 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:54:02,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324919954] [2021-11-07 01:54:02,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324919954] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:54:02,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:54:02,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-07 01:54:02,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670566681] [2021-11-07 01:54:02,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:54:02,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:54:02,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:54:02,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:54:02,437 INFO L87 Difference]: Start difference. First operand 369 states and 438 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 01:54:03,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:54:03,969 INFO L93 Difference]: Finished difference Result 598 states and 701 transitions. [2021-11-07 01:54:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:54:03,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 60 [2021-11-07 01:54:03,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:54:03,975 INFO L225 Difference]: With dead ends: 598 [2021-11-07 01:54:03,975 INFO L226 Difference]: Without dead ends: 369 [2021-11-07 01:54:03,976 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:54:03,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-11-07 01:54:03,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2021-11-07 01:54:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 350 states have (on average 1.2428571428571429) internal successors, (435), 368 states have internal predecessors, (435), 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 01:54:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 435 transitions. [2021-11-07 01:54:03,995 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 435 transitions. Word has length 60 [2021-11-07 01:54:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:54:03,996 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 435 transitions. [2021-11-07 01:54:03,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 01:54:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 435 transitions. [2021-11-07 01:54:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-07 01:54:03,998 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:54:03,998 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, 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 01:54:04,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:04,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:54:04,207 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-07 01:54:04,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:54:04,207 INFO L85 PathProgramCache]: Analyzing trace with hash -843218652, now seen corresponding path program 1 times [2021-11-07 01:54:04,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:54:04,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630125329] [2021-11-07 01:54:04,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:54:04,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:54:04,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:54:04,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:54:04,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe08ad6-9f1a-4764-a7c5-ee05d87ab018/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:58:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:13,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-07 01:58:13,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:13,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 01:58:14,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:58:14,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:58:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:14,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:15,051 INFO L244 Elim1Store]: Index analysis took 346 ms [2021-11-07 01:58:15,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 179 [2021-11-07 01:58:15,573 INFO L354 Elim1Store]: treesize reduction 58, result has 26.6 percent of original size [2021-11-07 01:58:15,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 44 [2021-11-07 01:58:16,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:58:16,547 INFO L244 Elim1Store]: Index analysis took 322 ms [2021-11-07 01:58:19,490 INFO L354 Elim1Store]: treesize reduction 1099, result has 7.0 percent of original size [2021-11-07 01:58:19,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 121 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 7 case distinctions, treesize of input 385 treesize of output 457 [2021-11-07 01:58:19,945 INFO L354 Elim1Store]: treesize reduction 994, result has 0.1 percent of original size [2021-11-07 01:58:19,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 409 treesize of output 317 [2021-11-07 01:58:20,366 INFO L354 Elim1Store]: treesize reduction 994, result has 0.1 percent of original size [2021-11-07 01:58:20,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 317 treesize of output 225 [2021-11-07 01:58:47,602 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-11-07 01:58:47,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 139 treesize of output 152 [2021-11-07 01:59:13,175 INFO L354 Elim1Store]: treesize reduction 150, result has 26.8 percent of original size [2021-11-07 01:59:13,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 167 treesize of output 207 [2021-11-07 02:01:43,128 INFO L354 Elim1Store]: treesize reduction 223, result has 20.4 percent of original size [2021-11-07 02:01:43,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 215 treesize of output 255