./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- 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-38b53e6 [2022-11-25 17:19:04,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:19:04,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:19:05,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:19:05,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:19:05,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:19:05,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:19:05,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:19:05,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:19:05,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:19:05,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:19:05,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:19:05,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:19:05,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:19:05,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:19:05,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:19:05,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:19:05,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:19:05,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:19:05,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:19:05,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:19:05,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:19:05,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:19:05,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:19:05,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:19:05,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:19:05,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:19:05,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:19:05,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:19:05,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:19:05,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:19:05,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:19:05,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:19:05,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:19:05,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:19:05,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:19:05,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:19:05,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:19:05,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:19:05,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:19:05,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:19:05,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:19:05,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:19:05,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:19:05,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:19:05,122 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:19:05,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:19:05,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:19:05,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:19:05,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:19:05,124 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:19:05,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:19:05,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:19:05,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:19:05,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:19:05,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:19:05,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:19:05,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:19:05,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:19:05,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:19:05,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:19:05,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:19:05,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:19:05,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:19:05,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:19:05,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:19:05,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:19:05,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:19:05,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:19:05,128 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:19:05,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:19:05,129 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:19:05,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:19:05,130 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2022-11-25 17:19:05,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:19:05,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:19:05,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:19:05,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:19:05,496 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:19:05,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-25 17:19:08,680 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:19:09,208 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:19:09,209 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-25 17:19:09,244 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/data/43695c658/d4cf4e66d724485ab2b0fa6e2fc7c011/FLAGc357d7801 [2022-11-25 17:19:09,259 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/data/43695c658/d4cf4e66d724485ab2b0fa6e2fc7c011 [2022-11-25 17:19:09,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:19:09,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:19:09,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:09,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:19:09,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:19:09,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:09" (1/1) ... [2022-11-25 17:19:09,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a34cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:09, skipping insertion in model container [2022-11-25 17:19:09,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:09" (1/1) ... [2022-11-25 17:19:09,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:19:09,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:19:09,700 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-25 17:19:09,712 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-25 17:19:10,769 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 17:19:10,866 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:10,871 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,872 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,872 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,873 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,874 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,877 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:10,889 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,889 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:10,890 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,892 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,892 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,894 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,895 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:10,896 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,896 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:10,897 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:11,053 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:11,057 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:11,059 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:11,081 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 17:19:11,084 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 17:19:11,084 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 17:19:11,517 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 17:19:11,519 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 17:19:11,522 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 17:19:11,523 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 17:19:11,524 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 17:19:11,530 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 17:19:11,531 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 17:19:11,532 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 17:19:11,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 17:19:11,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 17:19:11,534 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 17:19:11,774 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:11,793 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,795 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,796 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,798 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:11,800 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,804 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,807 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,808 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,809 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,810 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,812 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:11,886 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 17:19:11,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:11,936 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:19:11,951 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-25 17:19:11,952 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-25 17:19:11,991 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 17:19:12,005 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,008 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,009 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,009 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,010 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,011 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,013 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,020 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,020 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,020 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,022 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,022 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,024 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,024 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,025 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,025 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,026 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,034 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:12,034 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:12,035 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:12,040 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 17:19:12,041 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 17:19:12,042 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 17:19:12,067 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 17:19:12,068 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 17:19:12,069 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 17:19:12,070 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 17:19:12,071 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 17:19:12,072 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 17:19:12,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 17:19:12,074 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 17:19:12,074 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 17:19:12,075 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 17:19:12,075 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 17:19:12,134 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,144 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,148 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,149 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,151 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:12,153 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,156 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,157 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,157 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,165 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,166 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,166 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:12,205 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 17:19:12,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:12,570 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:19:12,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12 WrapperNode [2022-11-25 17:19:12,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:12,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:12,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:19:12,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:19:12,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,741 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 655 [2022-11-25 17:19:12,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:12,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:19:12,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:19:12,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:19:12,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:19:12,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:19:12,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:19:12,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:19:12,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (1/1) ... [2022-11-25 17:19:12,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:19:12,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:12,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:19:12,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:19:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:19:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 17:19:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 17:19:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 17:19:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 17:19:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 17:19:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 17:19:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:19:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 17:19:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 17:19:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 17:19:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 17:19:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:19:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:19:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:19:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-25 17:19:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-25 17:19:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:19:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:19:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 17:19:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 17:19:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-25 17:19:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-25 17:19:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 17:19:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 17:19:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-25 17:19:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-25 17:19:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-25 17:19:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-25 17:19:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:19:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:19:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-25 17:19:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-25 17:19:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:19:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:19:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:19:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 17:19:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 17:19:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 17:19:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 17:19:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:19:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-25 17:19:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-25 17:19:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:19:13,303 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:19:13,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:19:14,642 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:19:14,653 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:19:14,653 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:19:14,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:14 BoogieIcfgContainer [2022-11-25 17:19:14,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:19:14,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:19:14,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:19:14,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:19:14,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:19:09" (1/3) ... [2022-11-25 17:19:14,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dad8424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:14, skipping insertion in model container [2022-11-25 17:19:14,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:12" (2/3) ... [2022-11-25 17:19:14,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dad8424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:14, skipping insertion in model container [2022-11-25 17:19:14,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:14" (3/3) ... [2022-11-25 17:19:14,666 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2022-11-25 17:19:14,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:19:14,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:19:14,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:19:14,749 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=PETRI_NET, 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;@348ec32c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:19:14,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:19:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 109 states have (on average 1.2110091743119267) internal successors, (132), 110 states have internal predecessors, (132), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-25 17:19:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-25 17:19:14,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:14,768 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:14,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:14,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:14,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1489749117, now seen corresponding path program 1 times [2022-11-25 17:19:14,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:14,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388543032] [2022-11-25 17:19:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:14,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:19:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 17:19:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:19:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:19:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:19:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 17:19:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-25 17:19:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:19:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:19:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 17:19:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 17:19:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:19:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:19:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:19:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-25 17:19:15,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:15,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388543032] [2022-11-25 17:19:15,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388543032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:15,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:15,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:19:15,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971825952] [2022-11-25 17:19:15,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:15,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:15,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:15,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:15,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:15,889 INFO L87 Difference]: Start difference. First operand has 180 states, 109 states have (on average 1.2110091743119267) internal successors, (132), 110 states have internal predecessors, (132), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 17:19:16,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:16,664 INFO L93 Difference]: Finished difference Result 374 states and 541 transitions. [2022-11-25 17:19:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:19:16,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2022-11-25 17:19:16,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:16,689 INFO L225 Difference]: With dead ends: 374 [2022-11-25 17:19:16,690 INFO L226 Difference]: Without dead ends: 192 [2022-11-25 17:19:16,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:16,707 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 117 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:16,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 237 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 17:19:16,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-11-25 17:19:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 171. [2022-11-25 17:19:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 103 states have internal predecessors, (119), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-25 17:19:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 223 transitions. [2022-11-25 17:19:16,822 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 223 transitions. Word has length 124 [2022-11-25 17:19:16,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:16,823 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 223 transitions. [2022-11-25 17:19:16,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 17:19:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 223 transitions. [2022-11-25 17:19:16,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-25 17:19:16,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:16,842 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:16,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:19:16,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:16,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:16,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1640985525, now seen corresponding path program 1 times [2022-11-25 17:19:16,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:16,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250158759] [2022-11-25 17:19:16,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:16,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:19:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:19:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:19:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 17:19:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:19:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:19:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:19:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:19:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 17:19:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-25 17:19:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:19:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:19:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 17:19:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 17:19:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:19:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:19:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:19:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-11-25 17:19:17,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:17,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250158759] [2022-11-25 17:19:17,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250158759] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:17,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060027275] [2022-11-25 17:19:17,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:17,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:17,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:17,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:17,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:19:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 2235 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 17:19:18,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-25 17:19:18,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:19:18,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060027275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:18,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:19:18,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-11-25 17:19:18,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893073804] [2022-11-25 17:19:18,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:18,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:19:18,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:18,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:19:18,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:19:18,560 INFO L87 Difference]: Start difference. First operand 171 states and 223 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 17:19:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:18,951 INFO L93 Difference]: Finished difference Result 315 states and 417 transitions. [2022-11-25 17:19:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:19:18,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-11-25 17:19:18,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:18,954 INFO L225 Difference]: With dead ends: 315 [2022-11-25 17:19:18,954 INFO L226 Difference]: Without dead ends: 173 [2022-11-25 17:19:18,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:19:18,956 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 232 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:18,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 625 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:19:18,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-25 17:19:18,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2022-11-25 17:19:18,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 105 states have internal predecessors, (120), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2022-11-25 17:19:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 229 transitions. [2022-11-25 17:19:18,979 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 229 transitions. Word has length 124 [2022-11-25 17:19:18,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:18,980 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 229 transitions. [2022-11-25 17:19:18,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 17:19:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 229 transitions. [2022-11-25 17:19:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-25 17:19:18,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:18,982 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:18,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:19,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:19,193 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:19,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:19,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1623021021, now seen corresponding path program 1 times [2022-11-25 17:19:19,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:19,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364653937] [2022-11-25 17:19:19,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:19,282 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:19:19,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513570970] [2022-11-25 17:19:19,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:19,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:19,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:19,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:19,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:19:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:19,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 17:19:19,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-25 17:19:19,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:19:19,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:19,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364653937] [2022-11-25 17:19:19,994 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:19:19,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513570970] [2022-11-25 17:19:19,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513570970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:19,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:19,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:19:19,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787386247] [2022-11-25 17:19:19,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:19,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:19:19,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:19,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:19:19,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:19:19,997 INFO L87 Difference]: Start difference. First operand 173 states and 229 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 17:19:20,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:20,422 INFO L93 Difference]: Finished difference Result 283 states and 374 transitions. [2022-11-25 17:19:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:19:20,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 154 [2022-11-25 17:19:20,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:20,425 INFO L225 Difference]: With dead ends: 283 [2022-11-25 17:19:20,425 INFO L226 Difference]: Without dead ends: 173 [2022-11-25 17:19:20,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:19:20,427 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 249 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:20,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 748 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:19:20,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-25 17:19:20,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2022-11-25 17:19:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 105 states have internal predecessors, (120), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-11-25 17:19:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2022-11-25 17:19:20,462 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 154 [2022-11-25 17:19:20,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:20,464 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2022-11-25 17:19:20,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 17:19:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2022-11-25 17:19:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-25 17:19:20,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:20,470 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:20,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:20,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-25 17:19:20,686 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:20,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:20,686 INFO L85 PathProgramCache]: Analyzing trace with hash 2016135159, now seen corresponding path program 2 times [2022-11-25 17:19:20,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:20,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907974067] [2022-11-25 17:19:20,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:20,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:20,774 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:19:20,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798019289] [2022-11-25 17:19:20,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:19:20,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:20,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:20,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:20,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:19:21,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:19:21,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:19:21,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 2658 conjuncts, 177 conjunts are in the unsatisfiable core [2022-11-25 17:19:21,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:22,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 19 [2022-11-25 17:19:22,472 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 17:19:22,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 13 [2022-11-25 17:19:24,031 INFO L321 Elim1Store]: treesize reduction 264, result has 50.1 percent of original size [2022-11-25 17:19:24,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 67 select indices, 67 select index equivalence classes, 2145 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 66 case distinctions, treesize of input 336 treesize of output 466 [2022-11-25 17:19:33,229 WARN L718 sPolynomialRelations]: Constructing 2147483647(two to the power of 66 dual juncts. [2022-11-25 17:19:33,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:33,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907974067] [2022-11-25 17:19:33,230 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:19:33,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798019289] [2022-11-25 17:19:33,230 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-25 17:19:33,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 17:19:33,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:33,442 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:126) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) [2022-11-25 17:19:33,446 INFO L158 Benchmark]: Toolchain (without parser) took 24182.10ms. Allocated memory was 142.6MB in the beginning and 463.5MB in the end (delta: 320.9MB). Free memory was 88.1MB in the beginning and 237.1MB in the end (delta: -149.0MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. [2022-11-25 17:19:33,446 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:19:33,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3307.24ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 88.1MB in the beginning and 115.7MB in the end (delta: -27.5MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2022-11-25 17:19:33,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.85ms. Allocated memory is still 197.1MB. Free memory was 115.7MB in the beginning and 106.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:19:33,447 INFO L158 Benchmark]: Boogie Preprocessor took 75.28ms. Allocated memory is still 197.1MB. Free memory was 106.2MB in the beginning and 99.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 17:19:33,448 INFO L158 Benchmark]: RCFGBuilder took 1837.84ms. Allocated memory is still 197.1MB. Free memory was 99.9MB in the beginning and 139.8MB in the end (delta: -39.9MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2022-11-25 17:19:33,448 INFO L158 Benchmark]: TraceAbstraction took 18786.04ms. Allocated memory was 197.1MB in the beginning and 463.5MB in the end (delta: 266.3MB). Free memory was 138.7MB in the beginning and 237.1MB in the end (delta: -98.4MB). Peak memory consumption was 166.9MB. Max. memory is 16.1GB. [2022-11-25 17:19:33,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3307.24ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 88.1MB in the beginning and 115.7MB in the end (delta: -27.5MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 167.85ms. Allocated memory is still 197.1MB. Free memory was 115.7MB in the beginning and 106.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.28ms. Allocated memory is still 197.1MB. Free memory was 106.2MB in the beginning and 99.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1837.84ms. Allocated memory is still 197.1MB. Free memory was 99.9MB in the beginning and 139.8MB in the end (delta: -39.9MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18786.04ms. Allocated memory was 197.1MB in the beginning and 463.5MB in the end (delta: 266.3MB). Free memory was 138.7MB in the beginning and 237.1MB in the end (delta: -98.4MB). Peak memory consumption was 166.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-25 17:19:33,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- 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-38b53e6 [2022-11-25 17:19:35,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:19:35,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:19:35,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:19:35,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:19:35,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:19:35,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:19:35,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:19:35,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:19:35,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:19:35,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:19:35,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:19:35,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:19:35,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:19:35,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:19:35,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:19:35,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:19:35,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:19:35,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:19:35,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:19:35,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:19:35,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:19:35,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:19:35,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:19:35,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:19:35,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:19:35,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:19:35,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:19:35,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:19:35,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:19:35,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:19:35,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:19:35,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:19:35,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:19:35,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:19:35,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:19:35,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:19:35,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:19:35,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:19:35,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:19:35,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:19:35,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 17:19:35,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:19:35,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:19:35,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:19:35,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:19:35,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:19:35,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:19:35,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:19:35,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:19:35,968 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:19:35,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:19:35,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:19:35,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:19:35,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:19:35,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:19:35,969 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:19:35,970 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:19:35,970 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:19:35,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:19:35,970 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:19:35,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:19:35,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:19:35,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:19:35,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:19:35,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:19:35,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:19:35,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:19:35,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:19:35,974 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:19:35,974 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:19:35,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:19:35,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:19:35,975 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:19:35,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:19:35,976 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:19:35,976 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2022-11-25 17:19:36,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:19:36,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:19:36,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:19:36,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:19:36,361 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:19:36,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-25 17:19:39,541 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:19:40,113 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:19:40,114 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-25 17:19:40,161 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/data/faddd3e83/43ceee4fc9014240826c50624c33351b/FLAGbac52c849 [2022-11-25 17:19:40,180 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/data/faddd3e83/43ceee4fc9014240826c50624c33351b [2022-11-25 17:19:40,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:19:40,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:19:40,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:40,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:19:40,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:19:40,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:40" (1/1) ... [2022-11-25 17:19:40,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10fcca84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:40, skipping insertion in model container [2022-11-25 17:19:40,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:40" (1/1) ... [2022-11-25 17:19:40,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:19:40,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:19:40,656 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-25 17:19:40,663 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-25 17:19:41,557 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 17:19:41,668 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:41,673 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,674 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,675 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,675 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,676 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,679 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:41,689 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,689 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:41,690 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,692 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,692 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,694 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,695 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:41,696 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,697 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,697 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:41,772 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:41,772 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:41,773 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:41,779 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 17:19:41,781 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 17:19:41,782 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 17:19:42,079 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 17:19:42,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 17:19:42,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 17:19:42,083 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 17:19:42,085 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 17:19:42,086 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 17:19:42,087 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 17:19:42,088 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 17:19:42,089 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 17:19:42,090 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 17:19:42,091 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 17:19:42,330 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,333 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,336 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,338 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,340 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,342 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,347 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,347 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,348 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,349 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,350 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,350 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,396 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 17:19:42,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:42,449 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 17:19:42,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:19:42,502 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-25 17:19:42,503 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-25 17:19:42,567 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 17:19:42,587 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,602 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,603 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,603 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,604 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,606 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,609 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,618 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,619 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,619 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,620 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,621 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,622 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,622 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,624 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,632 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:42,632 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:42,633 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:42,636 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 17:19:42,638 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 17:19:42,638 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 17:19:42,686 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 17:19:42,686 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 17:19:42,687 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 17:19:42,687 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 17:19:42,688 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 17:19:42,688 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 17:19:42,689 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 17:19:42,689 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 17:19:42,690 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 17:19:42,690 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 17:19:42,691 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 17:19:42,734 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,738 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,740 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,741 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,742 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,744 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,746 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,746 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,746 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,747 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,748 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,748 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,783 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 17:19:42,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:42,818 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:19:42,843 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-25 17:19:42,843 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_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-25 17:19:42,884 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 17:19:42,904 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,907 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,907 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,907 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,908 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,908 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,910 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,914 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,915 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,915 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,916 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,916 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,917 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,918 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:42,918 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,926 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,927 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:42,934 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:42,934 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:42,935 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 17:19:42,939 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 17:19:42,940 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 17:19:42,940 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 17:19:42,967 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 17:19:42,968 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 17:19:42,968 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 17:19:42,969 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 17:19:42,969 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 17:19:42,970 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 17:19:42,971 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 17:19:42,971 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 17:19:42,971 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 17:19:42,972 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 17:19:42,972 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 17:19:43,056 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:43,064 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,066 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,067 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,068 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 17:19:43,070 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,072 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,073 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,076 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,076 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,077 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,078 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 17:19:43,099 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 17:19:43,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:43,401 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:19:43,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43 WrapperNode [2022-11-25 17:19:43,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:43,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:43,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:19:43,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:19:43,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,642 INFO L138 Inliner]: procedures = 711, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 652 [2022-11-25 17:19:43,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:43,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:19:43,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:19:43,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:19:43,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,708 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:19:43,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:19:43,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:19:43,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:19:43,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (1/1) ... [2022-11-25 17:19:43,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:19:43,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:43,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:19:43,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:19:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:19:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 17:19:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 17:19:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 17:19:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 17:19:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 17:19:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 17:19:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:19:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 17:19:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-25 17:19:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 17:19:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 17:19:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 17:19:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 17:19:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:19:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:19:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:19:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-25 17:19:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-25 17:19:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:19:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:19:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 17:19:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 17:19:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-25 17:19:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-25 17:19:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-25 17:19:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-25 17:19:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 17:19:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 17:19:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-25 17:19:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-25 17:19:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-25 17:19:43,840 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-25 17:19:43,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:19:43,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:19:43,841 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-25 17:19:43,842 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-25 17:19:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:19:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:19:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-25 17:19:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-25 17:19:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:19:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 17:19:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 17:19:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 17:19:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 17:19:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-25 17:19:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-25 17:19:44,339 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:19:44,341 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:19:46,381 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:19:46,390 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:19:46,390 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:19:46,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:46 BoogieIcfgContainer [2022-11-25 17:19:46,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:19:46,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:19:46,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:19:46,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:19:46,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:19:40" (1/3) ... [2022-11-25 17:19:46,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50162860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:46, skipping insertion in model container [2022-11-25 17:19:46,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:43" (2/3) ... [2022-11-25 17:19:46,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50162860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:46, skipping insertion in model container [2022-11-25 17:19:46,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:46" (3/3) ... [2022-11-25 17:19:46,402 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2022-11-25 17:19:46,424 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:19:46,425 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:19:46,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:19:46,519 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=PETRI_NET, 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;@705d0b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:19:46,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:19:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 109 states have (on average 1.2110091743119267) internal successors, (132), 110 states have internal predecessors, (132), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-25 17:19:46,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-25 17:19:46,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:46,540 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:46,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:46,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:46,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1489749117, now seen corresponding path program 1 times [2022-11-25 17:19:46,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:19:46,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622287227] [2022-11-25 17:19:46,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:46,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:46,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:19:46,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:19:46,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 17:19:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:47,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 17:19:47,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-25 17:19:47,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:19:47,662 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:19:47,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1622287227] [2022-11-25 17:19:47,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1622287227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:47,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:47,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:19:47,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721077290] [2022-11-25 17:19:47,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:47,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:19:47,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:19:47,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:19:47,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:19:47,714 INFO L87 Difference]: Start difference. First operand has 180 states, 109 states have (on average 1.2110091743119267) internal successors, (132), 110 states have internal predecessors, (132), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 17:19:47,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:47,830 INFO L93 Difference]: Finished difference Result 353 states and 504 transitions. [2022-11-25 17:19:47,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:19:47,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2022-11-25 17:19:47,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:47,851 INFO L225 Difference]: With dead ends: 353 [2022-11-25 17:19:47,851 INFO L226 Difference]: Without dead ends: 171 [2022-11-25 17:19:47,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:19:47,871 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:47,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:47,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-25 17:19:47,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-11-25 17:19:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 103 states have internal predecessors, (119), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-25 17:19:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 223 transitions. [2022-11-25 17:19:47,925 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 223 transitions. Word has length 124 [2022-11-25 17:19:47,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:47,926 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 223 transitions. [2022-11-25 17:19:47,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 17:19:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 223 transitions. [2022-11-25 17:19:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-25 17:19:47,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:47,930 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:47,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:48,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:48,156 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:48,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:48,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1640985525, now seen corresponding path program 1 times [2022-11-25 17:19:48,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:19:48,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591713049] [2022-11-25 17:19:48,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:48,160 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:48,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:19:48,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:19:48,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 17:19:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:49,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:19:49,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-25 17:19:49,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:19:49,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:19:49,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591713049] [2022-11-25 17:19:49,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591713049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:49,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:49,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:19:49,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513473117] [2022-11-25 17:19:49,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:49,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:49,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:19:49,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:49,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:49,240 INFO L87 Difference]: Start difference. First operand 171 states and 223 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 17:19:49,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:49,743 INFO L93 Difference]: Finished difference Result 315 states and 417 transitions. [2022-11-25 17:19:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:19:49,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-11-25 17:19:49,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:49,749 INFO L225 Difference]: With dead ends: 315 [2022-11-25 17:19:49,749 INFO L226 Difference]: Without dead ends: 173 [2022-11-25 17:19:49,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:49,751 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 50 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:49,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 713 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 17:19:49,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-25 17:19:49,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2022-11-25 17:19:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 105 states have internal predecessors, (120), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2022-11-25 17:19:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 229 transitions. [2022-11-25 17:19:49,775 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 229 transitions. Word has length 124 [2022-11-25 17:19:49,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:49,776 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 229 transitions. [2022-11-25 17:19:49,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 17:19:49,776 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 229 transitions. [2022-11-25 17:19:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-25 17:19:49,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:49,779 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:49,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:49,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:49,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:49,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:49,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1623021021, now seen corresponding path program 1 times [2022-11-25 17:19:50,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:19:50,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793957596] [2022-11-25 17:19:50,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:50,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:50,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:19:50,004 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:19:50,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 17:19:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:51,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1615 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 17:19:51,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-25 17:19:51,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:19:51,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:19:51,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793957596] [2022-11-25 17:19:51,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1793957596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:51,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:51,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:19:51,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54877756] [2022-11-25 17:19:51,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:51,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:19:51,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:19:51,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:19:51,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:19:51,614 INFO L87 Difference]: Start difference. First operand 173 states and 229 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 17:19:51,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:51,895 INFO L93 Difference]: Finished difference Result 345 states and 472 transitions. [2022-11-25 17:19:51,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:19:51,897 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 154 [2022-11-25 17:19:51,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:51,900 INFO L225 Difference]: With dead ends: 345 [2022-11-25 17:19:51,900 INFO L226 Difference]: Without dead ends: 232 [2022-11-25 17:19:51,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:19:51,902 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 31 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:51,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1551 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:19:51,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-11-25 17:19:51,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 186. [2022-11-25 17:19:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 114 states have internal predecessors, (130), 56 states have call successors, (56), 16 states have call predecessors, (56), 17 states have return successors, (60), 55 states have call predecessors, (60), 54 states have call successors, (60) [2022-11-25 17:19:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 246 transitions. [2022-11-25 17:19:51,931 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 246 transitions. Word has length 154 [2022-11-25 17:19:51,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:51,932 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 246 transitions. [2022-11-25 17:19:51,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 17:19:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2022-11-25 17:19:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-25 17:19:51,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:51,943 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:51,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:52,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:52,167 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:52,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:52,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1795927269, now seen corresponding path program 1 times [2022-11-25 17:19:52,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:19:52,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831337560] [2022-11-25 17:19:52,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:52,171 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:52,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:19:52,172 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:19:52,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 17:19:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:53,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 17:19:53,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:53,798 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-25 17:19:53,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:19:53,798 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:19:53,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831337560] [2022-11-25 17:19:53,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831337560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:53,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:53,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:19:53,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852736107] [2022-11-25 17:19:53,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:53,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:19:53,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:19:53,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:19:53,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:19:53,802 INFO L87 Difference]: Start difference. First operand 186 states and 246 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 17:19:54,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:54,504 INFO L93 Difference]: Finished difference Result 300 states and 399 transitions. [2022-11-25 17:19:54,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:19:54,505 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 154 [2022-11-25 17:19:54,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:54,508 INFO L225 Difference]: With dead ends: 300 [2022-11-25 17:19:54,508 INFO L226 Difference]: Without dead ends: 173 [2022-11-25 17:19:54,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:19:54,511 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 7 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:54,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1583 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 17:19:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-25 17:19:54,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2022-11-25 17:19:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.145631067961165) internal successors, (118), 105 states have internal predecessors, (118), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2022-11-25 17:19:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 227 transitions. [2022-11-25 17:19:54,544 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 227 transitions. Word has length 154 [2022-11-25 17:19:54,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:54,545 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 227 transitions. [2022-11-25 17:19:54,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 17:19:54,545 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 227 transitions. [2022-11-25 17:19:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-25 17:19:54,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:54,548 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:54,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:54,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:54,749 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:54,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:54,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1806717720, now seen corresponding path program 1 times [2022-11-25 17:19:54,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:19:54,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554562121] [2022-11-25 17:19:54,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:54,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:19:54,752 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:19:54,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 17:19:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:56,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 1639 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 17:19:56,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-25 17:19:56,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:19:56,283 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:19:56,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554562121] [2022-11-25 17:19:56,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554562121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:56,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:56,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:19:56,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356329669] [2022-11-25 17:19:56,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:56,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:19:56,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:19:56,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:19:56,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:56,286 INFO L87 Difference]: Start difference. First operand 173 states and 227 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-25 17:19:57,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:57,003 INFO L93 Difference]: Finished difference Result 283 states and 372 transitions. [2022-11-25 17:19:57,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:19:57,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 165 [2022-11-25 17:19:57,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:57,006 INFO L225 Difference]: With dead ends: 283 [2022-11-25 17:19:57,006 INFO L226 Difference]: Without dead ends: 173 [2022-11-25 17:19:57,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:19:57,007 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 66 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:57,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 840 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 17:19:57,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-25 17:19:57,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2022-11-25 17:19:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.145631067961165) internal successors, (118), 105 states have internal predecessors, (118), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-11-25 17:19:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 224 transitions. [2022-11-25 17:19:57,040 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 224 transitions. Word has length 165 [2022-11-25 17:19:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:57,041 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 224 transitions. [2022-11-25 17:19:57,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-25 17:19:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 224 transitions. [2022-11-25 17:19:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-25 17:19:57,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:57,045 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:57,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:57,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:57,259 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:57,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1308288628, now seen corresponding path program 2 times [2022-11-25 17:19:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:19:57,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461026445] [2022-11-25 17:19:57,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:19:57,261 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:19:57,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:19:57,262 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:19:57,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 17:20:01,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:20:01,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:20:01,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 17:20:01,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-11-25 17:20:01,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:20:01,896 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:20:01,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461026445] [2022-11-25 17:20:01,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [461026445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:20:01,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:20:01,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:20:01,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823012890] [2022-11-25 17:20:01,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:20:01,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:20:01,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:20:01,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:20:01,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:20:01,899 INFO L87 Difference]: Start difference. First operand 173 states and 224 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 5 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-25 17:20:03,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:03,013 INFO L93 Difference]: Finished difference Result 277 states and 359 transitions. [2022-11-25 17:20:03,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:20:03,015 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 5 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) Word has length 180 [2022-11-25 17:20:03,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:03,017 INFO L225 Difference]: With dead ends: 277 [2022-11-25 17:20:03,017 INFO L226 Difference]: Without dead ends: 171 [2022-11-25 17:20:03,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:20:03,019 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 73 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:03,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1159 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 17:20:03,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-25 17:20:03,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-11-25 17:20:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.1372549019607843) internal successors, (116), 103 states have internal predecessors, (116), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-25 17:20:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 220 transitions. [2022-11-25 17:20:03,035 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 220 transitions. Word has length 180 [2022-11-25 17:20:03,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:03,035 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 220 transitions. [2022-11-25 17:20:03,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 5 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-25 17:20:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 220 transitions. [2022-11-25 17:20:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-25 17:20:03,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:03,039 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:20:03,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:03,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:20:03,263 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:20:03,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:03,263 INFO L85 PathProgramCache]: Analyzing trace with hash -32665988, now seen corresponding path program 1 times [2022-11-25 17:20:03,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:20:03,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830218270] [2022-11-25 17:20:03,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:03,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:20:03,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:20:03,267 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:20:03,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc5a148-507a-4fdf-b2dd-8bcdd01b7523/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-25 17:20:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:59,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 1975 conjuncts, 288 conjunts are in the unsatisfiable core [2022-11-25 17:21:00,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:21:00,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-25 17:21:02,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 17 [2022-11-25 17:21:02,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2022-11-25 17:21:18,865 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 6 treesize of output 5 [2022-11-25 17:21:18,905 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 6 treesize of output 5 [2022-11-25 17:21:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:21:19,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 186 [2022-11-25 17:21:21,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2022-11-25 17:21:21,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 35 [2022-11-25 17:21:24,903 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_552 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_18| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_18|)) (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_18| v_ArrVal_552)))) (not (= (_ bv0 64) (bvadd (_ bv1 64) |c_#StackHeapBarrier|)))) is different from true [2022-11-25 17:21:27,262 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_552 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_18| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_18|)) (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_18| v_ArrVal_552)))) (exists ((v_ArrVal_553 (Array (_ BitVec 64) (_ BitVec 64)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_553) |c_#memory_$Pointer$.offset|)) (not (= (_ bv0 64) (bvadd (_ bv1 64) |c_#StackHeapBarrier|))) (exists ((v_ArrVal_555 (Array (_ BitVec 64) (_ BitVec 8)))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_555))) (exists ((v_ArrVal_554 (Array (_ BitVec 64) (_ BitVec 64)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_554)))) is different from true [2022-11-25 17:21:48,439 INFO L321 Elim1Store]: treesize reduction 240, result has 38.9 percent of original size [2022-11-25 17:21:48,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 332 treesize of output 503 [2022-11-25 17:21:48,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 298 treesize of output 316 [2022-11-25 17:21:48,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 292 treesize of output 310 [2022-11-25 17:21:48,847 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 17:21:48,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 417 treesize of output 420 [2022-11-25 17:22:03,794 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:22:04,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:04,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:22:04,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:05,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:22:05,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:05,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:22:05,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:06,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:06,925 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 13 treesize of output 1 [2022-11-25 17:22:07,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:09,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:09,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:22:09,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:09,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:22:09,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:10,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:22:10,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:10,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:11,266 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 13 treesize of output 1 [2022-11-25 17:22:11,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 17:22:12,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:22:12,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 249 [2022-11-25 17:22:13,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:22:13,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 249 [2022-11-25 17:22:13,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:22:13,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 249 [2022-11-25 17:22:14,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:22:14,554 INFO L321 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2022-11-25 17:22:14,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 243 [2022-11-25 17:22:14,626 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:22:15,602 INFO L321 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2022-11-25 17:22:15,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 243 [2022-11-25 17:22:15,682 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:22:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:22:16,828 INFO L321 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2022-11-25 17:22:16,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 243 [2022-11-25 17:22:16,975 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:22:17,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:22:17,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 249 [2022-11-25 17:22:21,988 INFO L321 Elim1Store]: treesize reduction 160, result has 14.9 percent of original size [2022-11-25 17:22:21,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 158 [2022-11-25 17:22:22,636 INFO L321 Elim1Store]: treesize reduction 275, result has 0.4 percent of original size [2022-11-25 17:22:22,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 100 treesize of output 29 [2022-11-25 17:22:23,517 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:22:23,567 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:22:24,238 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:22:25,097 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:29:39,742 WARN L233 SmtUtils]: Spent 6.92m on a formula simplification. DAG size of input: 614 DAG size of output: 192 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:30:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:00,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:00,801 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 17:30:00,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 31 [2022-11-25 17:30:10,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:10,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:10,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:10,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:10,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:11,016 INFO L321 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2022-11-25 17:30:11,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 52 [2022-11-25 17:30:13,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:13,615 INFO L321 Elim1Store]: treesize reduction 184, result has 22.4 percent of original size [2022-11-25 17:30:13,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 45 treesize of output 85 [2022-11-25 17:30:21,781 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v___CPROVER_overflow_mult_~#c~1.base_19| (_ BitVec 64)) (v_ArrVal_562 (_ BitVec 1))) (and (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_19|)) (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_19| v_ArrVal_562)))) is different from true [2022-11-25 17:30:22,644 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_563 (Array (_ BitVec 64) (_ BitVec 8)))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_563))) (exists ((v_ArrVal_564 (Array (_ BitVec 64) (_ BitVec 64)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_564) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_565 (Array (_ BitVec 64) (_ BitVec 64)))) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_565) |c_#memory_$Pointer$.base|)) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_19| (_ BitVec 64)) (v_ArrVal_562 (_ BitVec 1))) (and (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_19|)) (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_19| v_ArrVal_562))))) is different from true [2022-11-25 17:30:25,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:30:27,109 INFO L321 Elim1Store]: treesize reduction 221, result has 25.8 percent of original size [2022-11-25 17:30:27,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 64 treesize of output 123 [2022-11-25 17:30:27,594 INFO L321 Elim1Store]: treesize reduction 46, result has 48.9 percent of original size [2022-11-25 17:30:27,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 555 treesize of output 442 [2022-11-25 17:30:27,832 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 17:30:27,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 32 [2022-11-25 17:30:28,037 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 17:30:28,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 32 [2022-11-25 17:30:28,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2022-11-25 17:30:29,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 79 [2022-11-25 17:30:29,405 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:30:32,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 496 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 474 treesize of output 378 [2022-11-25 17:31:16,854 WARN L233 SmtUtils]: Spent 22.27s on a formula simplification. DAG size of input: 368 DAG size of output: 242 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:31:55,550 WARN L233 SmtUtils]: Spent 14.30s on a formula simplification that was a NOOP. DAG size: 315 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:32:15,701 WARN L233 SmtUtils]: Spent 10.75s on a formula simplification that was a NOOP. DAG size: 292 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:32:57,049 WARN L233 SmtUtils]: Spent 23.53s on a formula simplification that was a NOOP. DAG size: 397 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:33:28,835 WARN L233 SmtUtils]: Spent 25.88s on a formula simplification that was a NOOP. DAG size: 372 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:33:30,460 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v___CPROVER_overflow_mult_~#c~1.base_20| (_ BitVec 64)) (v_ArrVal_568 (_ BitVec 1))) (and (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_20|)) (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_20| v_ArrVal_568)))) is different from true [2022-11-25 17:33:31,238 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_570 (Array (_ BitVec 64) (_ BitVec 64)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_570) |c_#memory_$Pointer$.offset|)) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_19| (_ BitVec 64)) (v_ArrVal_562 (_ BitVec 1))) (and (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_19|)) (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_19| v_ArrVal_562)))) (exists ((v_ArrVal_571 (Array (_ BitVec 64) (_ BitVec 64)))) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_571) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_569 (Array (_ BitVec 64) (_ BitVec 8)))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_569)))) is different from true [2022-11-25 17:33:32,712 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v___CPROVER_overflow_mult_~#c~1.base_19| (_ BitVec 64)) (|v_aws_array_list_is_valid_~#required_size~0.base_10| (_ BitVec 64)) (v_ArrVal_562 (_ BitVec 1)) (v_ArrVal_572 (_ BitVec 1)) (v_ArrVal_569 (Array (_ BitVec 64) (_ BitVec 8))) (v_ArrVal_571 (Array (_ BitVec 64) (_ BitVec 64))) (v_ArrVal_570 (Array (_ BitVec 64) (_ BitVec 64))) (v_ArrVal_567 (_ BitVec 1))) (let ((.cse0 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_10| v_ArrVal_567))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_10| v_ArrVal_569)) (= (store |c_old(#memory_$Pointer$.base)| |v_aws_array_list_is_valid_~#required_size~0.base_10| v_ArrVal_571) |c_#memory_$Pointer$.base|) (= |c_#valid| (store (store .cse0 |v___CPROVER_overflow_mult_~#c~1.base_19| v_ArrVal_562) |v_aws_array_list_is_valid_~#required_size~0.base_10| v_ArrVal_572)) (= (_ bv0 1) (select .cse0 |v___CPROVER_overflow_mult_~#c~1.base_19|)) (= (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_10|) (_ bv0 1)) (= (store |c_old(#memory_$Pointer$.offset)| |v_aws_array_list_is_valid_~#required_size~0.base_10| v_ArrVal_570) |c_#memory_$Pointer$.offset|)))) is different from true