./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba --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 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:47:58,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:47:58,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:47:58,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:47:58,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:47:58,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:47:58,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:47:58,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:47:58,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:47:58,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:47:58,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:47:58,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:47:58,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:47:58,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:47:58,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:47:58,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:47:58,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:47:58,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:47:58,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:47:58,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:47:58,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:47:58,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:47:58,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:47:58,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:47:58,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:47:58,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:47:58,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:47:58,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:47:58,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:47:58,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:47:58,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:47:58,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:47:58,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:47:58,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:47:58,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:47:58,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:47:58,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:47:58,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:47:58,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:47:58,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:47:58,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:47:58,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:47:58,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:47:58,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:47:58,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:47:58,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:47:58,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:47:58,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:47:58,899 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:47:58,900 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:47:58,900 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:47:58,900 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:47:58,901 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:47:58,901 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:47:58,901 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:47:58,902 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:47:58,902 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:47:58,902 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:47:58,902 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:47:58,902 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:47:58,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:47:58,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:47:58,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:47:58,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:47:58,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:47:58,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:47:58,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:47:58,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:47:58,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:47:58,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:47:58,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:47:58,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:47:58,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:47:58,906 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:47:58,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:47:58,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:47:58,906 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:47:58,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:47:58,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:47:58,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:47:58,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2022-11-22 01:47:59,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:47:59,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:47:59,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:47:59,252 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:47:59,252 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:47:59,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2022-11-22 01:48:02,370 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:48:03,017 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:48:03,018 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2022-11-22 01:48:03,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/data/3845ba88c/f8be1785264e47d4a90bb45bae8bb537/FLAG1b1b031fb [2022-11-22 01:48:03,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/data/3845ba88c/f8be1785264e47d4a90bb45bae8bb537 [2022-11-22 01:48:03,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:48:03,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:48:03,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:48:03,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:48:03,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:48:03,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:03" (1/1) ... [2022-11-22 01:48:03,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5432f737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:03, skipping insertion in model container [2022-11-22 01:48:03,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:03" (1/1) ... [2022-11-22 01:48:03,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:48:03,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:48:03,513 WARN L237 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_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2022-11-22 01:48:03,524 WARN L237 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_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2022-11-22 01:48:04,933 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:04,940 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:04,941 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:04,946 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:04,948 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:04,966 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:04,967 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:04,969 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:04,970 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:05,512 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:48:05,513 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:48:05,514 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:48:05,516 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:48:05,518 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:48:05,518 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:48:05,519 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:48:05,520 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:48:05,521 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:48:05,522 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:48:05,711 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:48:05,835 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:05,836 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:05,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:48:06,041 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:48:06,057 WARN L237 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_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2022-11-22 01:48:06,057 WARN L237 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_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2022-11-22 01:48:06,192 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,206 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,206 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,207 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,208 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,220 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,224 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,225 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,226 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,291 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:48:06,292 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:48:06,293 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:48:06,293 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:48:06,296 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:48:06,296 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:48:06,297 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:48:06,298 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:48:06,298 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:48:06,299 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:48:06,329 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:48:06,427 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,428 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:48:06,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:48:06,822 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:48:06,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06 WrapperNode [2022-11-22 01:48:06,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:48:06,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:48:06,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:48:06,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:48:06,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:06,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,120 INFO L138 Inliner]: procedures = 693, calls = 2779, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 812 [2022-11-22 01:48:07,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:48:07,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:48:07,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:48:07,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:48:07,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,182 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:48:07,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:48:07,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:48:07,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:48:07,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (1/1) ... [2022-11-22 01:48:07,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:48:07,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:48:07,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:48:07,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:48:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-22 01:48:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-22 01:48:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2022-11-22 01:48:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2022-11-22 01:48:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-22 01:48:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-22 01:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 01:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 01:48:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 01:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:48:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 01:48:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 01:48:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:48:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:48:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:48:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:48:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:48:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 01:48:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 01:48:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:48:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-22 01:48:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-22 01:48:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:48:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:48:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:48:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 01:48:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 01:48:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-22 01:48:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-22 01:48:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:48:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:48:07,640 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:48:07,642 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:48:09,003 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:48:09,181 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:48:09,181 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:48:09,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:48:09 BoogieIcfgContainer [2022-11-22 01:48:09,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:48:09,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:48:09,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:48:09,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:48:09,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:48:03" (1/3) ... [2022-11-22 01:48:09,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dec9d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:48:09, skipping insertion in model container [2022-11-22 01:48:09,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:06" (2/3) ... [2022-11-22 01:48:09,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dec9d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:48:09, skipping insertion in model container [2022-11-22 01:48:09,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:48:09" (3/3) ... [2022-11-22 01:48:09,193 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness.i [2022-11-22 01:48:09,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:48:09,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:48:09,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:48:09,283 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b0d2631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:48:09,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:48:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 57 states have internal predecessors, (71), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-11-22 01:48:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-22 01:48:09,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:09,301 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:09,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:09,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:09,308 INFO L85 PathProgramCache]: Analyzing trace with hash 361995466, now seen corresponding path program 1 times [2022-11-22 01:48:09,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:09,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793922816] [2022-11-22 01:48:09,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:09,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 01:48:10,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:48:10,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793922816] [2022-11-22 01:48:10,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793922816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:48:10,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:48:10,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:48:10,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128829750] [2022-11-22 01:48:10,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:48:10,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:48:10,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:48:10,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:48:10,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:48:10,680 INFO L87 Difference]: Start difference. First operand has 101 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 57 states have internal predecessors, (71), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:48:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:48:10,988 INFO L93 Difference]: Finished difference Result 162 states and 228 transitions. [2022-11-22 01:48:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:48:10,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2022-11-22 01:48:10,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:48:11,006 INFO L225 Difference]: With dead ends: 162 [2022-11-22 01:48:11,006 INFO L226 Difference]: Without dead ends: 116 [2022-11-22 01:48:11,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:48:11,022 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:48:11,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 370 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:48:11,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-22 01:48:11,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2022-11-22 01:48:11,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 64 states have (on average 1.234375) internal successors, (79), 65 states have internal predecessors, (79), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-11-22 01:48:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 154 transitions. [2022-11-22 01:48:11,148 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 154 transitions. Word has length 41 [2022-11-22 01:48:11,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:48:11,149 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 154 transitions. [2022-11-22 01:48:11,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:48:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 154 transitions. [2022-11-22 01:48:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 01:48:11,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:11,160 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:11,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:48:11,160 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:11,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:11,161 INFO L85 PathProgramCache]: Analyzing trace with hash 117861261, now seen corresponding path program 1 times [2022-11-22 01:48:11,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:11,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68922904] [2022-11-22 01:48:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:11,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 01:48:11,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:48:11,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68922904] [2022-11-22 01:48:11,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68922904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:48:11,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:48:11,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:48:11,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099370732] [2022-11-22 01:48:11,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:48:11,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:48:11,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:48:11,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:48:11,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:48:11,717 INFO L87 Difference]: Start difference. First operand 113 states and 154 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:48:11,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:48:11,897 INFO L93 Difference]: Finished difference Result 135 states and 181 transitions. [2022-11-22 01:48:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:48:11,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2022-11-22 01:48:11,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:48:11,906 INFO L225 Difference]: With dead ends: 135 [2022-11-22 01:48:11,906 INFO L226 Difference]: Without dead ends: 119 [2022-11-22 01:48:11,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:48:11,913 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:48:11,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:48:11,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-22 01:48:11,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-11-22 01:48:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 69 states have internal predecessors, (84), 38 states have call successors, (38), 10 states have call predecessors, (38), 11 states have return successors, (39), 39 states have call predecessors, (39), 37 states have call successors, (39) [2022-11-22 01:48:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 161 transitions. [2022-11-22 01:48:11,936 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 161 transitions. Word has length 45 [2022-11-22 01:48:11,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:48:11,937 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 161 transitions. [2022-11-22 01:48:11,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:48:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 161 transitions. [2022-11-22 01:48:11,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-22 01:48:11,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:11,940 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:11,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:48:11,940 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:11,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:11,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1715237152, now seen corresponding path program 1 times [2022-11-22 01:48:11,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:11,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259920564] [2022-11-22 01:48:11,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:11,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 01:48:13,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:48:13,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259920564] [2022-11-22 01:48:13,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259920564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:48:13,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:48:13,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:48:13,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116008594] [2022-11-22 01:48:13,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:48:13,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:48:13,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:48:13,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:48:13,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:48:13,007 INFO L87 Difference]: Start difference. First operand 119 states and 161 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-22 01:48:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:48:13,311 INFO L93 Difference]: Finished difference Result 143 states and 189 transitions. [2022-11-22 01:48:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:48:13,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 46 [2022-11-22 01:48:13,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:48:13,319 INFO L225 Difference]: With dead ends: 143 [2022-11-22 01:48:13,319 INFO L226 Difference]: Without dead ends: 126 [2022-11-22 01:48:13,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:48:13,323 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 18 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:48:13,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 608 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:48:13,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-22 01:48:13,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2022-11-22 01:48:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 71 states have (on average 1.2112676056338028) internal successors, (86), 72 states have internal predecessors, (86), 40 states have call successors, (40), 10 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 38 states have call successors, (40) [2022-11-22 01:48:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 166 transitions. [2022-11-22 01:48:13,354 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 166 transitions. Word has length 46 [2022-11-22 01:48:13,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:48:13,354 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 166 transitions. [2022-11-22 01:48:13,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-22 01:48:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 166 transitions. [2022-11-22 01:48:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-22 01:48:13,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:13,362 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:13,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:48:13,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:13,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:13,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1381576744, now seen corresponding path program 1 times [2022-11-22 01:48:13,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:13,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431706029] [2022-11-22 01:48:13,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:13,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-22 01:48:14,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:48:14,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431706029] [2022-11-22 01:48:14,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431706029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:48:14,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:48:14,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:48:14,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706431570] [2022-11-22 01:48:14,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:48:14,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:48:14,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:48:14,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:48:14,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:48:14,112 INFO L87 Difference]: Start difference. First operand 123 states and 166 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-22 01:48:14,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:48:14,361 INFO L93 Difference]: Finished difference Result 179 states and 236 transitions. [2022-11-22 01:48:14,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:48:14,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 62 [2022-11-22 01:48:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:48:14,365 INFO L225 Difference]: With dead ends: 179 [2022-11-22 01:48:14,365 INFO L226 Difference]: Without dead ends: 139 [2022-11-22 01:48:14,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:48:14,367 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 28 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:48:14,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 614 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:48:14,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-22 01:48:14,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 134. [2022-11-22 01:48:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 79 states have (on average 1.2151898734177216) internal successors, (96), 80 states have internal predecessors, (96), 41 states have call successors, (41), 11 states have call predecessors, (41), 13 states have return successors, (42), 42 states have call predecessors, (42), 40 states have call successors, (42) [2022-11-22 01:48:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 179 transitions. [2022-11-22 01:48:14,382 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 179 transitions. Word has length 62 [2022-11-22 01:48:14,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:48:14,382 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 179 transitions. [2022-11-22 01:48:14,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-22 01:48:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 179 transitions. [2022-11-22 01:48:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-22 01:48:14,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:14,384 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:14,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:48:14,385 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:14,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:14,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1206108869, now seen corresponding path program 1 times [2022-11-22 01:48:14,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:14,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950281286] [2022-11-22 01:48:14,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:14,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:16,422 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:48:16,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:48:16,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950281286] [2022-11-22 01:48:16,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950281286] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:48:16,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995756713] [2022-11-22 01:48:16,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:16,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:48:16,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:48:16,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:48:16,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e87e9cc-f610-4853-8a36-5db5d85b4ae7/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:48:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:17,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2553 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-22 01:48:17,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:48:17,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2022-11-22 01:48:17,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:17,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 138 [2022-11-22 01:48:17,708 INFO L321 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2022-11-22 01:48:17,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 143 treesize of output 72 [2022-11-22 01:48:20,370 INFO L321 Elim1Store]: treesize reduction 93, result has 7.9 percent of original size [2022-11-22 01:48:20,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 192 treesize of output 117 [2022-11-22 01:48:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 01:48:20,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:48:24,743 INFO L350 Elim1Store]: Elim1 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 52 treesize of output 48 [2022-11-22 01:48:24,830 INFO L321 Elim1Store]: treesize reduction 14, result has 76.7 percent of original size [2022-11-22 01:48:24,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 120 [2022-11-22 01:48:25,201 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:48:25,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 306 treesize of output 316 [2022-11-22 01:48:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:48:26,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995756713] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:48:26,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1124702086] [2022-11-22 01:48:26,292 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2022-11-22 01:48:26,292 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:48:26,296 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:48:26,303 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:48:26,303 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:48:31,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:31,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:31,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:31,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:31,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-11-22 01:48:32,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:32,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:32,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:32,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:32,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-11-22 01:48:33,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:48:34,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:34,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:35,495 INFO L217 Elim1Store]: Index analysis took 905 ms [2022-11-22 01:48:35,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 309 select indices, 309 select index equivalence classes, 33694 disjoint index pairs (out of 47586 index pairs), introduced 309 new quantified variables, introduced 0 case distinctions, treesize of input 2781 treesize of output 3693 [2022-11-22 01:50:20,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:50:21,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:50:21,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-22 01:50:21,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-22 01:50:21,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-22 01:50:21,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-22 01:50:24,370 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:50:38,380 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:51:06,442 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_string_is_allocated_bounded_length with input of size 3315 for LOIs [2022-11-22 01:53:02,522 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 3354 for LOIs [2022-11-22 01:53:17,011 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3300 for LOIs [2022-11-22 01:53:21,187 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 3316 for LOIs [2022-11-22 01:54:07,577 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3384 for LOIs [2022-11-22 01:54:42,359 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:55:54,521 WARN L233 SmtUtils]: Spent 1.16m on a formula simplification that was a NOOP. DAG size: 3292 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:58:27,133 WARN L233 SmtUtils]: Spent 2.37m on a formula simplification. DAG size of input: 3307 DAG size of output: 3301 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:00:51,542 WARN L233 SmtUtils]: Spent 2.36m on a formula simplification. DAG size of input: 3304 DAG size of output: 3298 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)