./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_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_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/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_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/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_da156bb6-992f-4115-8167-46a6b5f9268a/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 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:56:03,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:56:03,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:56:03,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:56:03,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:56:03,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:56:03,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:56:03,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:56:03,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:56:03,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:56:03,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:56:03,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:56:03,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:56:03,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:56:03,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:56:03,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:56:03,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:56:03,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:56:03,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:56:03,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:56:03,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:56:03,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:56:03,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:56:03,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:56:03,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:56:03,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:56:03,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:56:03,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:56:03,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:56:03,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:56:03,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:56:03,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:56:03,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:56:03,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:56:03,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:56:03,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:56:03,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:56:03,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:56:03,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:56:03,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:56:03,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:56:03,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:56:03,994 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:56:03,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:56:03,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:56:03,997 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:56:03,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:56:03,997 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:56:03,998 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:56:03,998 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:56:03,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:56:03,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:56:03,999 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:56:04,000 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:56:04,000 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:56:04,000 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:56:04,001 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:56:04,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:56:04,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:56:04,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:56:04,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:56:04,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:56:04,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:56:04,003 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:56:04,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:56:04,003 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:56:04,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:56:04,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:56:04,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:56:04,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:56:04,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:56:04,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:56:04,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:56:04,007 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:56:04,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:56:04,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:56:04,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:56:04,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:56:04,009 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_da156bb6-992f-4115-8167-46a6b5f9268a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c [2021-11-07 01:56:04,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:56:04,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:56:04,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:56:04,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:56:04,294 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:56:04,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2021-11-07 01:56:04,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data/b577d4e55/9052b343e7c94dfabb7d9132e06c469d/FLAG32f15453e [2021-11-07 01:56:05,212 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:56:05,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2021-11-07 01:56:05,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data/b577d4e55/9052b343e7c94dfabb7d9132e06c469d/FLAG32f15453e [2021-11-07 01:56:05,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data/b577d4e55/9052b343e7c94dfabb7d9132e06c469d [2021-11-07 01:56:05,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:56:05,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:56:05,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:56:05,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:56:05,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:56:05,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:56:05" (1/1) ... [2021-11-07 01:56:05,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b1980c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:05, skipping insertion in model container [2021-11-07 01:56:05,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:56:05" (1/1) ... [2021-11-07 01:56:05,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:56:05,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:56:06,183 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_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2021-11-07 01:56:06,192 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_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2021-11-07 01:56:06,219 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:56:06,225 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:56:07,341 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,342 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,345 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,349 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,351 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,372 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,373 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,390 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,391 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,394 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,395 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,396 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,397 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:07,957 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:56:07,960 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:56:07,964 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:56:07,967 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:56:07,969 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:56:07,971 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:56:07,972 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:56:07,986 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:56:07,988 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:56:07,988 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:56:08,204 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:56:08,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,233 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,239 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,321 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,322 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,324 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,325 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,325 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,326 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,326 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,326 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,327 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,355 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,364 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,365 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,365 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,366 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,373 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,376 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,388 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,391 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,391 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:08,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:56:08,461 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 01:56:08,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69aaf2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:08, skipping insertion in model container [2021-11-07 01:56:08,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:56:08,462 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:56:08,464 INFO L168 Benchmark]: Toolchain (without parser) took 2738.61 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 72.4 MB in the beginning and 100.5 MB in the end (delta: -28.1 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:56:08,465 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 111.1 MB. Free memory was 65.8 MB in the beginning and 65.7 MB in the end (delta: 53.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:56:08,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2735.91 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 72.2 MB in the beginning and 100.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:56:08,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 111.1 MB. Free memory was 65.8 MB in the beginning and 65.7 MB in the end (delta: 53.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2735.91 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 72.2 MB in the beginning and 100.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7039]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/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_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/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_da156bb6-992f-4115-8167-46a6b5f9268a/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 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:56:10,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:56:10,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:56:10,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:56:10,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:56:10,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:56:10,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:56:10,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:56:10,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:56:10,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:56:10,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:56:10,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:56:10,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:56:10,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:56:10,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:56:10,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:56:10,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:56:10,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:56:10,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:56:10,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:56:10,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:56:10,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:56:10,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:56:10,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:56:10,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:56:10,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:56:10,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:56:10,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:56:10,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:56:10,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:56:10,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:56:10,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:56:10,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:56:10,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:56:10,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:56:10,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:56:10,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:56:10,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:56:10,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:56:10,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:56:10,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:56:10,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:56:10,900 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:56:10,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:56:10,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:56:10,901 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:56:10,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:56:10,901 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:56:10,901 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:56:10,902 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:56:10,902 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:56:10,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:56:10,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:56:10,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:56:10,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:56:10,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:56:10,903 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:56:10,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:56:10,904 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:56:10,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:56:10,904 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:56:10,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:56:10,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:56:10,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:56:10,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:56:10,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:56:10,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:56:10,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:56:10,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:56:10,906 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:56:10,906 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:56:10,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:56:10,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:56:10,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:56:10,907 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_da156bb6-992f-4115-8167-46a6b5f9268a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c [2021-11-07 01:56:11,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:56:11,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:56:11,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:56:11,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:56:11,325 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:56:11,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2021-11-07 01:56:11,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data/5da35f2bb/1b3ac8b4b7aa4742acf2fd0ad9e9e99f/FLAG05b53948e [2021-11-07 01:56:12,263 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:56:12,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2021-11-07 01:56:12,312 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data/5da35f2bb/1b3ac8b4b7aa4742acf2fd0ad9e9e99f/FLAG05b53948e [2021-11-07 01:56:12,772 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/data/5da35f2bb/1b3ac8b4b7aa4742acf2fd0ad9e9e99f [2021-11-07 01:56:12,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:56:12,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:56:12,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:56:12,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:56:12,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:56:12,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:56:12" (1/1) ... [2021-11-07 01:56:12,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3416b3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:12, skipping insertion in model container [2021-11-07 01:56:12,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:56:12" (1/1) ... [2021-11-07 01:56:12,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:56:12,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:56:13,250 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_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2021-11-07 01:56:13,256 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_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2021-11-07 01:56:13,280 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:56:13,285 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:56:14,293 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,294 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,295 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,295 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,297 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,315 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,316 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,318 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,319 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,321 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,324 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,324 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,738 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:56:14,739 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:56:14,743 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:56:14,744 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:56:14,745 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:56:14,746 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:56:14,746 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:56:14,747 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:56:14,748 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:56:14,748 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:56:14,891 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:56:14,930 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,930 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,936 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:14,944 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,025 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,026 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,027 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,027 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,028 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,028 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,029 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,030 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,030 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,030 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,031 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,031 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,032 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,035 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,035 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,063 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,064 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,072 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,073 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,074 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:56:15,122 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:56:15,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:56:15,180 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_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2021-11-07 01:56:15,181 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_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2021-11-07 01:56:15,189 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:56:15,190 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:56:15,230 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,231 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,231 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,239 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,243 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,247 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,250 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,251 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,252 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,252 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,313 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:56:15,314 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:56:15,314 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:56:15,315 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:56:15,316 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:56:15,317 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:56:15,317 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:56:15,318 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:56:15,318 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:56:15,319 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:56:15,357 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:56:15,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,408 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,419 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,466 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,469 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,469 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,470 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,471 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,471 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,472 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,472 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,474 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,475 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,475 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,476 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,477 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,479 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,481 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,482 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,491 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,492 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,493 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:56:15,542 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:56:15,568 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_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2021-11-07 01:56:15,569 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_da156bb6-992f-4115-8167-46a6b5f9268a/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2021-11-07 01:56:15,571 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:56:15,571 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:56:15,608 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,609 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,610 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,610 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,611 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,640 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,680 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:56:15,681 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:56:15,681 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:56:15,682 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:56:15,683 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:56:15,683 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:56:15,684 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:56:15,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:56:15,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:56:15,686 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:56:15,711 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:56:15,726 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,727 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,728 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,732 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,768 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,773 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,773 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,773 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,774 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,775 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,776 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,779 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,780 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,780 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,780 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,781 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,782 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,782 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,783 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,783 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,789 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,791 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,792 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,798 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,799 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,800 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:56:15,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:56:16,209 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:56:16,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16 WrapperNode [2021-11-07 01:56:16,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:56:16,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:56:16,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:56:16,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:56:16,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:16,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:16,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:56:16,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:56:16,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:56:16,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:56:16,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:16,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:16,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:16,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:17,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:17,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:17,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:17,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:56:17,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:56:17,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:56:17,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:56:17,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (1/1) ... [2021-11-07 01:56:17,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:56:17,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:56:17,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:56:17,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:56:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:56:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:56:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:56:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:56:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:56:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:56:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:56:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:56:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:56:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:56:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:56:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-07 01:56:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:56:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:56:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:56:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:56:54,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:56:54,863 INFO L299 CfgBuilder]: Removed 1637 assume(true) statements. [2021-11-07 01:56:54,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:56:54 BoogieIcfgContainer [2021-11-07 01:56:54,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:56:54,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:56:54,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:56:54,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:56:54,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:56:12" (1/3) ... [2021-11-07 01:56:54,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6e9fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:56:54, skipping insertion in model container [2021-11-07 01:56:54,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:16" (2/3) ... [2021-11-07 01:56:54,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6e9fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:56:54, skipping insertion in model container [2021-11-07 01:56:54,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:56:54" (3/3) ... [2021-11-07 01:56:54,877 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2021-11-07 01:56:54,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:56:54,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2021-11-07 01:56:54,942 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:56:54,947 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 01:56:54,948 INFO L340 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2021-11-07 01:56:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 2061 states, 2006 states have (on average 1.4272183449651046) internal successors, (2863), 2060 states have internal predecessors, (2863), 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 01:56:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:56:55,007 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:56:55,008 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] [2021-11-07 01:56:55,008 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-07 01:56:55,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:56:55,014 INFO L85 PathProgramCache]: Analyzing trace with hash -771143003, now seen corresponding path program 1 times [2021-11-07 01:56:55,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:56:55,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534077632] [2021-11-07 01:56:55,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:56:55,033 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:56:55,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:56:55,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:56:55,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:56:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:56:59,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:56:59,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:56:59,313 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 01:56:59,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:56:59,506 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 01:56:59,507 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:56:59,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534077632] [2021-11-07 01:56:59,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534077632] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:56:59,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:56:59,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:56:59,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531984351] [2021-11-07 01:56:59,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:56:59,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:56:59,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:56:59,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:56:59,534 INFO L87 Difference]: Start difference. First operand has 2061 states, 2006 states have (on average 1.4272183449651046) internal successors, (2863), 2060 states have internal predecessors, (2863), 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 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 01:56:59,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:56:59,662 INFO L93 Difference]: Finished difference Result 4116 states and 5719 transitions. [2021-11-07 01:56:59,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:56:59,664 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 41 [2021-11-07 01:56:59,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:56:59,688 INFO L225 Difference]: With dead ends: 4116 [2021-11-07 01:56:59,689 INFO L226 Difference]: Without dead ends: 2056 [2021-11-07 01:56:59,697 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 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 01:56:59,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2021-11-07 01:56:59,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 2056. [2021-11-07 01:56:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 2002 states have (on average 1.326173826173826) internal successors, (2655), 2055 states have internal predecessors, (2655), 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 01:56:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2655 transitions. [2021-11-07 01:56:59,841 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2655 transitions. Word has length 41 [2021-11-07 01:56:59,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:56:59,842 INFO L470 AbstractCegarLoop]: Abstraction has 2056 states and 2655 transitions. [2021-11-07 01:56:59,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 01:56:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2655 transitions. [2021-11-07 01:56:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:56:59,855 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:56:59,855 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] [2021-11-07 01:56:59,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:00,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:00,082 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-07 01:57:00,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:00,083 INFO L85 PathProgramCache]: Analyzing trace with hash 890029669, now seen corresponding path program 1 times [2021-11-07 01:57:00,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:00,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145812092] [2021-11-07 01:57:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:00,093 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:00,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:00,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:00,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:57:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:04,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:57:04,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:04,340 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 01:57:04,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:04,588 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 01:57:04,588 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:04,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145812092] [2021-11-07 01:57:04,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145812092] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:04,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:04,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:57:04,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791902438] [2021-11-07 01:57:04,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:57:04,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:04,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:57:04,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:57:04,592 INFO L87 Difference]: Start difference. First operand 2056 states and 2655 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 01:57:05,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:05,020 INFO L93 Difference]: Finished difference Result 4034 states and 5208 transitions. [2021-11-07 01:57:05,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:57:05,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 41 [2021-11-07 01:57:05,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:05,033 INFO L225 Difference]: With dead ends: 4034 [2021-11-07 01:57:05,033 INFO L226 Difference]: Without dead ends: 2058 [2021-11-07 01:57:05,037 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 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 01:57:05,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2021-11-07 01:57:05,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 2056. [2021-11-07 01:57:05,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 2002 states have (on average 1.3246753246753247) internal successors, (2652), 2055 states have internal predecessors, (2652), 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 01:57:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2652 transitions. [2021-11-07 01:57:05,126 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2652 transitions. Word has length 41 [2021-11-07 01:57:05,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:05,126 INFO L470 AbstractCegarLoop]: Abstraction has 2056 states and 2652 transitions. [2021-11-07 01:57:05,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 01:57:05,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2652 transitions. [2021-11-07 01:57:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:57:05,131 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:05,131 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] [2021-11-07 01:57:05,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:05,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:05,350 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-07 01:57:05,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:05,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1055647481, now seen corresponding path program 1 times [2021-11-07 01:57:05,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:05,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686655424] [2021-11-07 01:57:05,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:05,358 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:05,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:05,365 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:05,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:57:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:09,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 1564 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:57:09,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:09,587 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 01:57:09,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:09,847 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 01:57:09,847 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:09,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686655424] [2021-11-07 01:57:09,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686655424] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:09,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:09,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:57:09,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940449673] [2021-11-07 01:57:09,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:57:09,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:09,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:57:09,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:57:09,849 INFO L87 Difference]: Start difference. First operand 2056 states and 2652 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:17,888 INFO L93 Difference]: Finished difference Result 4157 states and 5359 transitions. [2021-11-07 01:57:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:57:17,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-07 01:57:17,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:17,900 INFO L225 Difference]: With dead ends: 4157 [2021-11-07 01:57:17,900 INFO L226 Difference]: Without dead ends: 2149 [2021-11-07 01:57:17,903 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 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 01:57:17,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2021-11-07 01:57:17,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 2056. [2021-11-07 01:57:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 2002 states have (on average 1.3231768231768233) internal successors, (2649), 2055 states have internal predecessors, (2649), 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 01:57:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2649 transitions. [2021-11-07 01:57:17,969 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2649 transitions. Word has length 49 [2021-11-07 01:57:17,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:17,969 INFO L470 AbstractCegarLoop]: Abstraction has 2056 states and 2649 transitions. [2021-11-07 01:57:17,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2649 transitions. [2021-11-07 01:57:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 01:57:17,971 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:17,971 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] [2021-11-07 01:57:18,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:18,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:18,186 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-07 01:57:18,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:18,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1757033039, now seen corresponding path program 1 times [2021-11-07 01:57:18,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:18,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291270817] [2021-11-07 01:57:18,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:18,191 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:18,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:18,193 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:18,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:57:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:22,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:57:22,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:22,784 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 01:57:22,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:23,080 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 01:57:23,080 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:23,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291270817] [2021-11-07 01:57:23,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291270817] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:23,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:23,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:57:23,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580882557] [2021-11-07 01:57:23,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:57:23,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:23,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:57:23,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:57:23,083 INFO L87 Difference]: Start difference. First operand 2056 states and 2649 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 01:57:24,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:24,512 INFO L93 Difference]: Finished difference Result 5594 states and 7165 transitions. [2021-11-07 01:57:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:57:24,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 65 [2021-11-07 01:57:24,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:24,532 INFO L225 Difference]: With dead ends: 5594 [2021-11-07 01:57:24,532 INFO L226 Difference]: Without dead ends: 3617 [2021-11-07 01:57:24,536 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:57:24,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3617 states. [2021-11-07 01:57:24,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3617 to 2056. [2021-11-07 01:57:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 2002 states have (on average 1.3216783216783217) internal successors, (2646), 2055 states have internal predecessors, (2646), 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 01:57:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2646 transitions. [2021-11-07 01:57:24,617 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2646 transitions. Word has length 65 [2021-11-07 01:57:24,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:24,618 INFO L470 AbstractCegarLoop]: Abstraction has 2056 states and 2646 transitions. [2021-11-07 01:57:24,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 01:57:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2646 transitions. [2021-11-07 01:57:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-07 01:57:24,619 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:24,619 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:57:24,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:24,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:24,834 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-07 01:57:24,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:24,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1874634859, now seen corresponding path program 1 times [2021-11-07 01:57:24,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:24,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601626737] [2021-11-07 01:57:24,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:24,839 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:24,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:24,841 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:24,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:57:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:29,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1749 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:57:29,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:29,548 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 01:57:29,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:30,085 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 01:57:30,086 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:30,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601626737] [2021-11-07 01:57:30,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601626737] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:30,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:30,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:57:30,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029662902] [2021-11-07 01:57:30,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:57:30,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:30,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:57:30,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:57:30,088 INFO L87 Difference]: Start difference. First operand 2056 states and 2646 transitions. Second operand has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 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 01:57:39,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:39,092 INFO L93 Difference]: Finished difference Result 8485 states and 10771 transitions. [2021-11-07 01:57:39,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:57:39,094 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 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 89 [2021-11-07 01:57:39,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:39,133 INFO L225 Difference]: With dead ends: 8485 [2021-11-07 01:57:39,133 INFO L226 Difference]: Without dead ends: 6492 [2021-11-07 01:57:39,140 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:57:39,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6492 states. [2021-11-07 01:57:39,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6492 to 2056. [2021-11-07 01:57:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 2002 states have (on average 1.3201798201798203) internal successors, (2643), 2055 states have internal predecessors, (2643), 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 01:57:39,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2643 transitions. [2021-11-07 01:57:39,378 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2643 transitions. Word has length 89 [2021-11-07 01:57:39,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:39,379 INFO L470 AbstractCegarLoop]: Abstraction has 2056 states and 2643 transitions. [2021-11-07 01:57:39,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 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 01:57:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2643 transitions. [2021-11-07 01:57:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 01:57:39,381 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:39,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:57:39,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 01:57:39,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:39,607 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-07 01:57:39,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:39,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1808280541, now seen corresponding path program 1 times [2021-11-07 01:57:39,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:39,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521338403] [2021-11-07 01:57:39,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:39,614 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:39,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:39,616 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:39,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:57:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:45,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:57:45,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:45,868 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 01:57:45,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:46,297 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 01:57:46,297 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:46,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521338403] [2021-11-07 01:57:46,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521338403] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:46,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:46,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:57:46,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911563061] [2021-11-07 01:57:46,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:57:46,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:46,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:57:46,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:57:46,301 INFO L87 Difference]: Start difference. First operand 2056 states and 2643 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 01:57:48,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:48,186 INFO L93 Difference]: Finished difference Result 5825 states and 7465 transitions. [2021-11-07 01:57:48,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:57:48,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 105 [2021-11-07 01:57:48,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:48,211 INFO L225 Difference]: With dead ends: 5825 [2021-11-07 01:57:48,211 INFO L226 Difference]: Without dead ends: 3847 [2021-11-07 01:57:48,216 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:57:48,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2021-11-07 01:57:48,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 2128. [2021-11-07 01:57:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 2074 states have (on average 1.3206364513018323) internal successors, (2739), 2127 states have internal predecessors, (2739), 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 01:57:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 2739 transitions. [2021-11-07 01:57:48,357 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 2739 transitions. Word has length 105 [2021-11-07 01:57:48,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:48,357 INFO L470 AbstractCegarLoop]: Abstraction has 2128 states and 2739 transitions. [2021-11-07 01:57:48,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 01:57:48,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2739 transitions. [2021-11-07 01:57:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 01:57:48,367 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:48,367 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:57:48,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-07 01:57:48,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:48,579 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-07 01:57:48,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:48,579 INFO L85 PathProgramCache]: Analyzing trace with hash 525112097, now seen corresponding path program 1 times [2021-11-07 01:57:48,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:48,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922762793] [2021-11-07 01:57:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:48,584 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:48,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:48,585 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:48,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:57:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:54,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1870 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:57:54,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:55,831 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 01:57:55,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:56,626 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 01:57:56,626 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:56,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922762793] [2021-11-07 01:57:56,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922762793] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:56,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:56,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-07 01:57:56,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958685107] [2021-11-07 01:57:56,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:57:56,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:56,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:57:56,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:57:56,628 INFO L87 Difference]: Start difference. First operand 2128 states and 2739 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 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 02:01:57,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:01:57,410 INFO L93 Difference]: Finished difference Result 5815 states and 7444 transitions. [2021-11-07 02:01:57,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 02:01:57,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 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 105 [2021-11-07 02:01:57,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:01:57,436 INFO L225 Difference]: With dead ends: 5815 [2021-11-07 02:01:57,437 INFO L226 Difference]: Without dead ends: 3762 [2021-11-07 02:01:57,441 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:01:57,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3762 states. [2021-11-07 02:01:57,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3762 to 2128. [2021-11-07 02:01:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 2074 states have (on average 1.314850530376085) internal successors, (2727), 2127 states have internal predecessors, (2727), 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 02:01:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 2727 transitions. [2021-11-07 02:01:57,682 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 2727 transitions. Word has length 105 [2021-11-07 02:01:57,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:01:57,683 INFO L470 AbstractCegarLoop]: Abstraction has 2128 states and 2727 transitions. [2021-11-07 02:01:57,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 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 02:01:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2727 transitions. [2021-11-07 02:01:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 02:01:57,685 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:01:57,685 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:57,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:01:57,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:01:57,911 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-07 02:01:57,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:01:57,911 INFO L85 PathProgramCache]: Analyzing trace with hash -603131867, now seen corresponding path program 1 times [2021-11-07 02:01:57,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:01:57,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533327652] [2021-11-07 02:01:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:01:57,916 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:01:57,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:01:57,917 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:01:57,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 02:02:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:02:03,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 02:02:03,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:02:05,064 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 02:02:05,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:02:05,944 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 02:02:05,945 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:02:05,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533327652] [2021-11-07 02:02:05,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533327652] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:02:05,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:02:05,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-07 02:02:05,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526566528] [2021-11-07 02:02:05,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:02:05,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:02:05,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:02:05,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:02:05,947 INFO L87 Difference]: Start difference. First operand 2128 states and 2727 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 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 02:08:44,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:08:44,162 INFO L93 Difference]: Finished difference Result 5827 states and 7432 transitions. [2021-11-07 02:08:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 02:08:44,165 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 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 105 [2021-11-07 02:08:44,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:08:44,185 INFO L225 Difference]: With dead ends: 5827 [2021-11-07 02:08:44,186 INFO L226 Difference]: Without dead ends: 3774 [2021-11-07 02:08:44,189 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:08:44,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3774 states. [2021-11-07 02:08:44,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3774 to 2152. [2021-11-07 02:08:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2152 states, 2098 states have (on average 1.3055290753098188) internal successors, (2739), 2151 states have internal predecessors, (2739), 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 02:08:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2739 transitions. [2021-11-07 02:08:44,320 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2739 transitions. Word has length 105 [2021-11-07 02:08:44,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:08:44,321 INFO L470 AbstractCegarLoop]: Abstraction has 2152 states and 2739 transitions. [2021-11-07 02:08:44,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 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 02:08:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2739 transitions. [2021-11-07 02:08:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 02:08:44,323 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:08:44,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:08:44,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 02:08:44,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:08:44,542 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-07 02:08:44,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:08:44,543 INFO L85 PathProgramCache]: Analyzing trace with hash -930562519, now seen corresponding path program 1 times [2021-11-07 02:08:44,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:08:44,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843652221] [2021-11-07 02:08:44,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:08:44,546 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:08:44,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:08:44,547 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:08:44,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da156bb6-992f-4115-8167-46a6b5f9268a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 02:08:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:08:49,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 1860 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 02:08:49,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:08:50,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-07 02:08:50,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-07 02:08:51,221 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 02:08:51,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:08:54,158 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:08:54,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 43 [2021-11-07 02:08:54,202 INFO L354 Elim1Store]: treesize reduction 8, result has 46.7 percent of original size [2021-11-07 02:08:54,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2021-11-07 02:08:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:08:54,691 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:08:54,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843652221] [2021-11-07 02:08:54,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843652221] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:08:54,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:08:54,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 11 [2021-11-07 02:08:54,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608451538] [2021-11-07 02:08:54,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 02:08:54,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:08:54,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 02:08:54,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:08:54,693 INFO L87 Difference]: Start difference. First operand 2152 states and 2739 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 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 02:09:15,515 WARN L207 SmtUtils]: Spent 12.17 s on a formula simplification that was a NOOP. DAG size: 33 [2021-11-07 02:09:27,809 WARN L207 SmtUtils]: Spent 12.19 s on a formula simplification that was a NOOP. DAG size: 40